52 Highlights 53 Differences 8 Reactions 0 Likes

ViewSonic PX747-4K vs Optoma UHD50: 52 Highlights & 53 Differences — So, Which Projector Actually Works Better

Better motion clarity on UHD50 makes it ideal for fast content; PX747 focuses on higher brightness for ambient light. What sets ViewSonic PX747-4K and Optoma UHD50 apart? We looked at their product type, native resolution, throw ratio & lens material and key differences in this complete projectors face-off.

55 Points
ViewSonic PX747-4K
56 Points
Optoma
Optoma
Optoma UHD50
The Optoma UHD50 has been discontinued️. Our community last shared an update on January 09, 2026.
Optoma UHD50
vs

Highlights 167

No extras. Just what matters.
55 Points
vs
56 Points

Why is ViewSonic PX747-4K better than Optoma UHD50 ?

Scroll down for more facts

ViewSonic PX747-4K Vs Optoma UHD50: Brightness Meets Motion Clarity in 4K Projection

Both the ViewSonic PX747-4K and the Optoma UHD50 stand out as strong contenders in the realm of 4K DLP home theater projectors, offering vibrant UHD resolution through pixel shifting technology and a solid set of general features. They share the same DLP projection technology and similar build quality made from white plastic, with manual glass lens focusing mechanisms. However, the PX747-4K shines in brightness with its 3500 lumens output, making it ideal for environments with more ambient light. In contrast, the UHD50 sticks closer to 2400 lumens but adds value through frame interpolation and Dolby Audio support, enhancing motion and sound quality respectively. Let's dive deeper into their distinguishing features and where each projector truly excels.

Dazzling Brightness and Room Adaptability with ViewSonic PX747-4K

The ViewSonic PX747-4K is tailored for those who want a bright and vivid picture, boasting 3500 lumens which exceed the Optoma UHD50's 2400 lumens by a substantial margin. This elevated brightness makes it far better suited for daytime use or rooms that aren't completely darkened. It can project large images up to 300 inches, perfect for grand home theaters or media rooms where distance between projector and screen is notable due to its longer throw ratio range of 1.47 to 1.76. Unlike the UHD50, it lacks frame interpolation, meaning it doesn't smooth out motion, but it compensates with pixel shifting and standard image scaling for clear 4K visuals. Its multiple preset color temperatures; warm, neutral, and cool; offer flexibility with color calibration, balancing skin tone accuracy and color vibrance. Moreover, the inclusion of a VGA input broadens compatibility with older devices, and its slightly more compact package size facilitates easier placement or transportation for setups. It's a projector designed with bright room adaptability and wide compatibility in mind.

Optoma UHD50: Motion Precision and Sound Quality Champion

On the other hand, the Optoma UHD50 appeals to viewers who prioritize smooth video playback and immersive audio. Featuring frame interpolation (MEMC mode), it enhances motion clarity and reduces blur during fast-action scenes, making it a natural choice for sports fans and gamers. Although its brightness is lower at 2400 lumens, the UHD50's throw ratio range of 1.0 to 1.5 allows for shorter throw distances, enabling setups in smaller rooms without sacrificing screen size (up to 302 inches). The presence of Dolby Audio support enriches the built-in 10W speaker output, crafting a more dynamic and enjoyable sound experience straight from the projector. It also provides a combination of 3.5mm and optical audio outputs for better external audio system connections. Additionally, its unique custom color temperature preset lets users fine-tune hues beyond the basic presets, catering to more precise calibrations for cinephiles. This projector is more suited for those placing emphasis on video smoothness, sound fidelity, and compact room placement.

Quick Take

In essence, the ViewSonic PX747-4K delivers exceptional brightness and size versatility, making it perfect for brighter rooms and larger venues. Conversely, the Optoma UHD50 excels in motion clarity with its frame interpolation and offers a richer audio experience with Dolby Audio, providing excellent value for smaller spaces.

Closing Recommendation

Choosing between these two 4K projectors boils down to your viewing environment and feature preferences. The PX747-4K is the best pick if you need a projector that can handle ambient light without sacrificing image size. Meanwhile, the UHD50 stands out if you want smoother motion rendering, enhanced audio, and flexible placement within confined areas; all available at a slightly better price point. Overall, the Optoma UHD50 edges ahead for home theater enthusiasts seeking image finesse and sound improvements, while the ViewSonic PX747-4K suits those prioritizing brightness and legacy connections.

Verdict

  • Winner: Optoma UHD50 - Combines smooth motion processing, Dolby Audio support, and adaptable throw ratio for superior home theater performance.
  • Runner-up: ViewSonic PX747-4K - Outshines with powerful brightness output and VGA connectivity, ideal for brighter viewing spaces and wider compatibility.

Comparisons 9

Two enter. One leaves your cart.

Related comparisons 9

Because one duel is never enough.

Comparisons & Facts 167

Side by side. The numbers. The features. No drama.

Whether you’re leaning toward ViewSonic PX747-4K or tempted by Optoma UHD50, this full projectors breakdown lays out their differences clearly. From highlights to hidden quirks, we’ve compared them all — so you don’t have to.

General Information 9

Color

What is the color of this projector?

45 ViewSonic PX747-4K 0 Votes White

45 Optoma UHD50 0 Votes White

ViewSonic PX747-4K
vs
Optoma UHD50
Color

Both ViewSonic PX747-4K and Optoma UHD50 projectors have White color, making them visually similar for placement aesthetics.

Indicates the color finish of the projector body.

Product Type

What is the product type of this projector?

65 ViewSonic PX747-4K 0 Votes Home Theater

65 Optoma UHD50 0 Votes Home Theater

ViewSonic PX747-4K
vs
Optoma UHD50
Product Type

The Product Type for both ViewSonic PX747-4K and Optoma UHD50 is Home Theater, so they serve the same general purpose for home entertainment setups.

Defines the general classification of this projector.

Build Material

What is the build material of this projector?

35 ViewSonic PX747-4K 0 Votes Plastic

35 Optoma UHD50 0 Votes Plastic

ViewSonic PX747-4K
vs
Optoma UHD50
Build Material

Both projectors, ViewSonic PX747-4K and Optoma UHD50, have Plastic as the Build Material, reflecting a similar construction approach.

Specifies the main construction material of the chassis.

Intended Usage Type

What is the intended usage type of this projector?

78 ViewSonic PX747-4K 0 Votes Home Theater, Gaming

78 Optoma UHD50 0 Votes Home Theater, Gaming

Optoma UHD50
Optoma UHD50

This projector is intended primarily for home theater and gaming uses, supporting immersive and high-performance viewing experiences in these settings.

Describes the ideal application for this projector.

Imaging Chip Type

What is the imaging chip type of this projector?

80 ViewSonic PX747-4K 0 Votes DLP Chip

80 Optoma UHD50 0 Votes DLP Chip

ViewSonic PX747-4K
ViewSonic PX747-4K

The imaging chip type is DLP, known for reliable color quality and sharp image projection.

Indicates the chip architecture that forms the image.

Imaging Chip Size

What is the imaging chip size of this projector?

0.47 inch 0 Votes
ViewSonic PX747-4K
0.47 inch 0 Votes
Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Imaging Chip Size

The Imaging Chip Size is 0.47 inch on both ViewSonic PX747-4K and Optoma UHD50, indicating comparable imaging hardware dimensions.

Specifies the size of the imaging chip. Larger chips generally improve performance.

Release Year

What is the release year of this projector?

0 ViewSonic PX747-4K 0 Votes Unknown

50 Optoma UHD50 0 Votes 2018

Shows the year the projector model was released.

Country of Manufacture

What is the country of manufacture for this projector?

75 ViewSonic PX747-4K 0 Votes China

75 Optoma UHD50 0 Votes China

Indicates where the projector was manufactured.

Projection Technology Type

What is the projection technology type of this projector?

55 ViewSonic PX747-4K 0 Votes DLP

55 Optoma UHD50 0 Votes DLP

ViewSonic PX747-4K
vs
Optoma UHD50
Projection Technology Type

The Projection Technology Type for both ViewSonic PX747-4K and Optoma UHD50 is DLP, showing they use the same core projection technology.

Identifies the core imaging technology used.

Optical Performance 16

Pixel Shifting

Does this projector support pixel shifting?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Pixel Shifting

Both ViewSonic PX747-4K and Optoma UHD50 support Pixel Shifting, contributing to improved perceived resolution on both models.

Indicates whether resolution enhancement via pixel shifting is supported.

Native Resolution

What is the native resolution of this projector?

95 ViewSonic PX747-4K 0 Votes 4K

95 Optoma UHD50 0 Votes 4K

ViewSonic PX747-4K
vs
Optoma UHD50
Native Resolution

Both ViewSonic PX747-4K and Optoma UHD50 offer a Native Resolution of 4K, ensuring high-definition image quality on both devices.

The true physical pixel resolution produced by the projector.

Brightness Output

What is the brightness output?

3,500 lumen 1 Votes
ViewSonic PX747-4K
2,400 lumen 0 Votes
Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Brightness Output

ViewSonic PX747-4K has a Brightness Output of 3500 lumens compared to 2400 lumens on Optoma UHD50, making the ViewSonic brighter and potentially better for well-lit rooms.

Indicates overall light output for visibility in ambient light.

The brightness output is way better on the ViewSonic making it great for bright rooms and daytime use.

See more

Frame Interpolation

Does this projector support frame interpolation?

No 0 Votes ViewSonic PX747-4K

Yes 1 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Frame Interpolation

Frame Interpolation is not available on ViewSonic PX747-4K, but Optoma UHD50 supports it, which may result in smoother motion on the Optoma.

Allows smoother motion for sports and fast scenes.

I seriously appreciate the frame interpolation on the Optoma it makes fast scenes super clear and smooth.

See more

Sharpness Enhancement Type

Crisp detail with sharpness level :val.

0 ViewSonic PX747-4K 0 Votes Not Specified

25 Optoma UHD50 0 Votes 0–1 (Minimal)

ViewSonic PX747-4K
vs
Optoma UHD50
Sharpness Enhancement Type

ViewSonic PX747-4K's Sharpness Enhancement Type is Not Specified, while Optoma UHD50 offers a minimal sharpness enhancement labeled 0-1, so the Optoma provides slight image sharpening.

What is the sharpness enhancement level?

Peak ANSI Lumens

What is the peak ANSI lumens of this projector?

3,500 lumen 0 Votes
ViewSonic PX747-4K
2,400 lumen 0 Votes
Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

Peak ANSI lumens rating is 3500 lumens, which measures brightness under a standardized testing condition.

Optoma UHD50
Optoma UHD50

Peak ANSI lumens rating is 2400 lumens, confirming bright image capability for various environments.

Industry-standard brightness measurement using ANSI method.

Refresh Rate

What is the refresh rate?

60 Hz 0 Votes
ViewSonic PX747-4K
60 Hz 0 Votes
Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

The refresh rate is 60 Hz, suitable for smooth video playback and standard content viewing.

Optoma UHD50
Optoma UHD50

The refresh rate is set at 60 Hz, suitable for smooth video playback and gaming experiences.

Determines motion smoothness for gaming and video.

Maximum Supported Resolution

What is the maximum supported resolution of this projector?

75 ViewSonic PX747-4K 0 Votes 4K

75 Optoma UHD50 0 Votes 4K

ViewSonic PX747-4K
ViewSonic PX747-4K

It supports a maximum resolution of 4K, matching its native capability for high-quality image reproduction.

The highest resolution signal the projector can accept.

Dynamic Lumens

What is the dynamic lumens rating?

3,500 lumen 0 Votes
ViewSonic PX747-4K
2,400 lumen 0 Votes
Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

The dynamic brightness output is 3500 lumens, bright enough for use in rooms with moderate ambient light.

Measures boosted brightness in enhanced dynamic modes.

Color Gamut Coverage

What is the color gamut coverage?

100 % 0 Votes
ViewSonic PX747-4K
100 % 0 Votes
Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

The projector covers 100% of the color gamut specified, ensuring vivid and accurate colors.

Indicates percent coverage of color spaces such as Rec.709 or DCI-P3.

Color Bit Depth

What is the color bit depth?

10 bit 0 Votes
ViewSonic PX747-4K
10 bit 0 Votes
Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

Color bit depth is 10-bit, allowing for a wide range of color gradations and smoother transitions.

Determines how finely color gradients are rendered.

HDR Format Support

What HDR formats does this projector support?

40 ViewSonic PX747-4K 0 Votes HDR10, HLG

45 Optoma UHD50 0 Votes HDR10

ViewSonic PX747-4K
ViewSonic PX747-4K

Supports HDR formats HDR10 and HLG, enhancing dynamic range and color accuracy for compatible content.

Specifies which HDR formats the projector can display.

Projection & Throw Performance 15

Screen Size Maximum

What is the maximum supported screen size?

300 inch 0 Votes
ViewSonic PX747-4K
302 inch 0 Votes
Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Screen Size Maximum

ViewSonic PX747-4K supports a maximum screen size of 300 inches, while Optoma UHD50 supports slightly larger at 302 inches, offering a marginally bigger projection capability.

Largest supported diagonal projection size.

Throw Ratio

Flexible placement with :val throw ratio.

20 ViewSonic PX747-4K 0 Votes 1.47-1.76

35 Optoma UHD50 1 Votes 1.0–1.5 (Standard)

ViewSonic PX747-4K
vs
Optoma UHD50
Throw Ratio

ViewSonic PX747-4K has a Throw Ratio range of 1.47-1.76 compared to Optoma UHD50's 1.0-1.5 standard throw ratio, so the Optoma can project a larger image from a shorter distance.

What is the throw ratio?

The Optoma has a shorter throw ratio which makes it perfect for smaller rooms where space is limited.

See more

Short Throw

Does this projector support short throw usage?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Short Throw

Both ViewSonic PX747-4K and Optoma UHD50 do not provide Short Throw capabilities, meaning they have standard projection throw requirements.

Indicates whether the projector is designed for short-throw projection.

Ultra Short Throw

Does this projector support ultra short throw projection?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Ultra Short Throw

Neither ViewSonic PX747-4K nor Optoma UHD50 supports Ultra Short Throw, so both require similar throw distances.

Indicates whether the projector can project large images at extremely short distances.

Minimum Throw Distance

What is the minimum throw distance?

3.3 ft 0 Votes
ViewSonic PX747-4K
8.7 ft 0 Votes
Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

The minimum throw distance is 3.3 ft (1.01 m), meaning this is the closest distance the projector can be from the screen to create a clear image.

Optoma UHD50
Optoma UHD50

The minimum throw distance is 8.7 feet (2.65 meters), specifying the closest distance from the screen to achieve a clear image.

Closest usable distance between projector and screen.

Maximum Throw Distance

What is the maximum throw distance?

32.8 ft 0 Votes
ViewSonic PX747-4K
29.8 ft 0 Votes
Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

Maximum throw distance is 32.8 ft (10.0 m), indicating flexibility in projector placement for large image sizes.

Optoma UHD50
Optoma UHD50

Maximum throw distance is 29.8 feet (9.09 meters), allowing projection over significant distances.

Maximum distance at which the projector can achieve a proper image.

Keystone Correction Vertical

What is the vertical keystone correction?

40 degree 0 Votes
ViewSonic PX747-4K
40 degree 0 Votes
Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

Vertical keystone correction is 40 degrees, allowing significant vertical angle adjustments to correct image distortion.

Optoma UHD50
Optoma UHD50

Vertical keystone correction of 40 degrees helps correct image distortion when the projector is angled vertically relative to the screen.

Vertical angle adjustment to correct image distortion.

Auto Keystone

Does this projector support auto keystone?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

Optoma UHD50
Optoma UHD50

Auto keystone correction is included, enabling the projector to automatically adjust the image to be rectangular even when the device is placed at an angle to the projection surface.

Automatically corrects keystone distortion.

Screen Size Minimum

What is the minimum supported screen size?

30 inch 0 Votes
ViewSonic PX747-4K
87 inch 0 Votes
Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

The minimum screen size supported is 30 inches (76.2 cm), fitting smaller rooms or setups.

Smallest supported diagonal projection size.

Projection Alignment Type

What is the projection alignment type?

55 ViewSonic PX747-4K 0 Votes Front

55 Optoma UHD50 0 Votes Front

ViewSonic PX747-4K
ViewSonic PX747-4K

This projector aligns its image from a front projection setup, suitable for traditional placement in front of the screen.

Describes how the projector aligns with the screen.

Keystone Correction Horizontal

What is the horizontal keystone correction?

Who knows? 0 Votes ViewSonic PX747-4K (Help us out by suggesting one!)

Who knows? 0 Votes Optoma UHD50 (Help us out by suggesting one!)

Horizontal angle adjustment to correct image distortion.

Lens Shift Vertical

What is the vertical lens shift?

Who knows? 0 Votes ViewSonic PX747-4K (Help us out by suggesting one!)

15 % 0 Votes
Optoma UHD50

Vertical lens movement for distortion-free positioning.

Lens & Focus System 10

Focus Type

What is the focus type of this projector?

15 ViewSonic PX747-4K 0 Votes Manual

15 Optoma UHD50 0 Votes Manual

ViewSonic PX747-4K
vs
Optoma UHD50
Focus Type

Both ViewSonic PX747-4K and Optoma UHD50 use Manual Focus Type, requiring manual adjustment for image sharpness.

Defines how the projector adjusts focus.

Lens Material

What is the lens material?

75 ViewSonic PX747-4K 0 Votes Glass

75 Optoma UHD50 0 Votes Glass

ViewSonic PX747-4K
vs
Optoma UHD50
Lens Material

Lens Material on both ViewSonic PX747-4K and Optoma UHD50 is Glass, ensuring quality optical components in both devices.

Indicates the primary material used in the projector lens.

Aperture Size

What is the aperture size?

2 f-stop 0 Votes
ViewSonic PX747-4K
2 f-stop 0 Votes
Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Aperture Size

Aperture Size is f/2 on both the ViewSonic PX747-4K and Optoma UHD50, indicating similar light intake characteristics in the lens aperture.

Specifies the optical aperture size affecting brightness and depth.

Dustproof Lens Design

Does this projector have a dustproof lens design?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Dustproof Lens Design

Both projectors, ViewSonic PX747-4K and Optoma UHD50, do not have a Dustproof Lens Design, implying similar vulnerability to dust.

Specifies whether the lens is designed to resist dust intrusion.

Lens Replacement Compatibility

Is the lens replaceable?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Lens Replacement Compatibility

Neither ViewSonic PX747-4K nor Optoma UHD50 supports Lens Replacement Compatibility, meaning the lenses are fixed and not user-replaceable.

Indicates whether the projector's lens can be replaced or upgraded.

Lens Coating Type

What is the lens coating type?

85 ViewSonic PX747-4K 0 Votes Anti-Reflective

85 Optoma UHD50 0 Votes Anti-Reflective

ViewSonic PX747-4K
ViewSonic PX747-4K

Lens coating is anti-reflective, improving light transmission and reducing glare for clearer images.

Defines special coatings that enhance optical performance.

Auto Focus

Does this projector support auto focus?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

Indicates whether the projector can automatically adjust focus.

Manual Focus Range

What is the manual focus range?

35 ViewSonic PX747-4K 0 Votes Standard throw range

50 Optoma UHD50 0 Votes Full throw range

Indicates the distance range manual focus can adjust for.

Lens Motor Noise Level

What is the lens motor noise level?

Who knows? 0 Votes ViewSonic PX747-4K (Help us out by suggesting one!)

0 dB 0 Votes
Optoma UHD50

Measures noise generated during lens adjustments.

Lens Protection Cover

Does this projector include a lens protection cover?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

Indicates whether the lens includes a physical protection cover.

Light Source System 11

Light Source Power Output

What is the light source power output?

240 Watt 0 Votes
ViewSonic PX747-4K
240 Watt 0 Votes
Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Light Source Power Output

Light Source Power Output is 240 Watts on both ViewSonic PX747-4K and Optoma UHD50, indicating similar energy use for illumination.

Indicates the wattage of the light source, affecting brightness potential.

Warm-Up Time

What is the warm-up time?

30 second 0 Votes
ViewSonic PX747-4K
30 second 0 Votes
Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Warm-Up Time

The Warm-Up Time is 30 seconds on both ViewSonic PX747-4K and Optoma UHD50, offering similar startup speeds.

Time required for the projector to reach full brightness.

Light Efficiency

What is the light efficiency?

90 % 0 Votes
ViewSonic PX747-4K
10 % 0 Votes
Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Light Efficiency

Light Efficiency is 90% on ViewSonic PX747-4K compared to 10% on Optoma UHD50, which suggests the ViewSonic is significantly more efficient in using its light source.

Measures how effectively the light source converts power into brightness.

Light Uniformity Rating

What is the light uniformity rating of this projector?

70 ViewSonic PX747-4K 0 Votes High

70 Optoma UHD50 0 Votes High

ViewSonic PX747-4K
vs
Optoma UHD50
Light Uniformity Rating

Both projectors have a High Light Uniformity Rating, suggesting even brightness distribution on the screen for ViewSonic PX747-4K and Optoma UHD50.

Indicates how evenly brightness is distributed across the screen.

Color Temperature

What is the color temperature setting of this projector?

38 ViewSonic PX747-4K 0 Votes Warm, Neutral, Cool

45 Optoma UHD50 0 Votes Warm, Neutral, Cool, Custom

ViewSonic PX747-4K
vs
Optoma UHD50
Color Temperature

Color Temperature options include Warm, Neutral, and Cool for ViewSonic PX747-4K, while Optoma UHD50 adds a Custom setting, offering more color temperature customization on the Optoma.

Defines the visual warmth or coolness profile of the projected image.

Light Source Lifetime Eco Mode

What is the light source lifetime in eco mode?

15,000 hour 0 Votes
ViewSonic PX747-4K
15,000 hour 0 Votes
Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

Light source lifetime in eco mode is 15000 hours, significantly prolonging lamp life and reducing replacement frequency.

Optoma UHD50
Optoma UHD50

The light source lifetime in eco mode is 15,000 hours, which means extended usage before needing replacement, reducing maintenance costs.

Estimated lifespan of the light source in eco mode.

Light Source Replaceability

Can the light source be replaced?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

Light source is replaceable, allowing maintenance and potential lifetime extension by swapping lamps.

Optoma UHD50
Optoma UHD50

The light source is replaceable, allowing for maintenance by replacing the lamp rather than the entire unit.

Indicates whether users can replace the light source.

Light Source Type

What is the light source type?

35 ViewSonic PX747-4K 0 Votes Lamp

35 Optoma UHD50 0 Votes Lamp

Optoma UHD50
Optoma UHD50

The light source type is lamp-based, which typically requires occasional bulb replacement but offers high brightness.

Defines the illumination technology powering the projector.

Cool-Down Time

What is the cool-down time?

60 second 0 Votes
ViewSonic PX747-4K
30 second 0 Votes
Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

The cool-down time is 60 seconds, indicating how long it takes for the projector to safely power off after use.

Time required before the projector safely powers off.

Light Flicker Control

Does this projector include light flicker control?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

Optoma UHD50
Optoma UHD50

Light flicker control is supported, reducing flicker to protect eyes and provide a more stable image.

Indicates whether flicker reduction technology is implemented.

Light Source Lifetime Normal Mode

What is the light source lifetime in normal mode?

4,000 hour 0 Votes
ViewSonic PX747-4K
4,000 hour 0 Votes
Optoma UHD50

Estimated lifespan in standard usage mode.

Imaging & Color Processing 13

Black Level Enhancement

Does this projector include black level enhancement?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

Black level enhancement is enabled, improving contrast and deeper black representation for better picture quality.

Optoma UHD50
Optoma UHD50

Black level enhancement is provided, improving contrast by deepening black tones for better image depth.

Deepens dark scenes for improved shadow detail.

White Balance Control

Does this projector include white balance control?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

White balance control is present, allowing adjustment or calibration to ensure accurate colors under different lighting conditions.

Optoma UHD50
Optoma UHD50

White balance control is supported, allowing fine-tuning of color temperature settings for a more accurate and pleasing image.

Allows tuning of color balance for accurate whites.

Image Scaling Engine Type

What type of image scaling engine does this projector use?

35 ViewSonic PX747-4K 0 Votes Standard

55 Optoma UHD50 1 Votes Cinema Optimized

ViewSonic PX747-4K
vs
Optoma UHD50
Image Scaling Engine Type

The Image Scaling Engine Type is Standard on ViewSonic PX747-4K versus Cinema Optimized on Optoma UHD50, potentially delivering better image scaling on the Optoma.

Defines the scaling engine used to upscale lower-resolution content to the projector’s native resolution.

The cinema optimized image scaling on the Optoma really helps with a clearer and more natural picture.

See more

Image Processor Type

What is the image processor type?

25 ViewSonic PX747-4K 0 Votes Standard

55 Optoma UHD50 0 Votes Advanced

ViewSonic PX747-4K
ViewSonic PX747-4K

The image processor is standard, indicating fundamental image processing capabilities without enhanced or AI-based features.

Specifies the processing engine that handles color, scaling, and image optimization.

Image Processing Bit Depth

What is the image processing bit depth?

10 bit 0 Votes
ViewSonic PX747-4K
10 bit 0 Votes
Optoma UHD50

Optoma UHD50
Optoma UHD50

Image processing bit depth is 10-bit, allowing better gradation and color accuracy compared to lower bit depths.

Indicates color precision and gradient smoothness.

Color Calibration Profiles

What color calibration profiles are available?

57 ViewSonic PX747-4K 0 Votes Rec709, Cinema, Game

57 Optoma UHD50 0 Votes Rec709, Cinema, Game

ViewSonic PX747-4K
ViewSonic PX747-4K

It comes with color calibration profiles for Rec709, Cinema, and Game modes, enabling optimized color reproduction for different viewing preferences.

Predefined settings for accurate color reproduction.

Gamma Adjustment Levels

How many gamma adjustment levels are available?

42 ViewSonic PX747-4K 0 Votes Multiple

41 Optoma UHD50 0 Votes Multiple

Optoma UHD50
Optoma UHD50

Gamma adjustment levels are multiple, enabling better control over image contrast and brightness gradations.

Controls mid-tone brightness for accurate contrast.

Color Temperature Presets

What color temperature presets does this projector offer?

45 ViewSonic PX747-4K 0 Votes Warm, Neutral, Cool

45 Optoma UHD50 0 Votes Warm, Neutral, Cool

ViewSonic PX747-4K
vs
Optoma UHD50
Color Temperature Presets

Both projectors include Color Temperature Presets of Warm, Neutral, and Cool, providing similar preset options for color tuning.

Preset visual warmth settings for different content.

Skin Tone Correction

Does this projector offer skin tone correction?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Skin Tone Correction

Skin Tone Correction is implemented in both ViewSonic PX747-4K and Optoma UHD50, enhancing natural skin tones similarly on both devices.

Enhances natural skin tones for realistic visuals.

MEMC Mode

Does this projector support MEMC mode?

No 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
MEMC Mode

MEMC Mode is not available on ViewSonic PX747-4K but is supported on Optoma UHD50, which may provide smoother motion on the Optoma.

Motion interpolation for smooth fast-action content.

Color Wheel Speed (for DLP)

What is the color wheel speed of this projector?

75 ViewSonic PX747-4K 0 Votes 6x

75 Optoma UHD50 0 Votes 6x

ViewSonic PX747-4K
vs
Optoma UHD50
Color Wheel Speed (for DLP)

Both ViewSonic PX747-4K and Optoma UHD50 have a Color Wheel Speed of 6x, ensuring similar color performance speed for their DLP systems.

Defines the rotational speed of the DLP color wheel, affecting color accuracy and rainbow artifact reduction.

Auto Color Correction

Does this projector have auto color correction?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

Automatically adjusts colors for the best image quality.

Smart Features & Software 12

Operating System Type

What is the operating system type?

5 ViewSonic PX747-4K 0 Votes No OS

5 Optoma UHD50 0 Votes No OS

ViewSonic PX747-4K
ViewSonic PX747-4K

The projector runs without an operating system, meaning it relies on external sources for smart features rather than integrated apps.

Specifies the software platform the projector runs on.

Software Update Method

What is the software update method?

65 ViewSonic PX747-4K 0 Votes USB

65 Optoma UHD50 0 Votes USB

ViewSonic PX747-4K
ViewSonic PX747-4K

Software updates are performed via USB, enabling offline firmware upgrades without needing network connectivity.

Describes how firmware updates are applied.

App Store Support

Does this projector support an app store?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

Indicates support for downloading apps directly to the projector.

Built-In Streaming Apps

What built-in streaming apps are available?

Who knows? 0 Votes ViewSonic PX747-4K (Help us out by suggesting one!)

Who knows? 0 Votes Optoma UHD50 (Help us out by suggesting one!)

Lists available preinstalled streaming services.

Voice Control

Does this projector support voice control?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Voice Control

Both ViewSonic PX747-4K and Optoma UHD50 do not support Voice Control, so voice commands are not available on either.

Enables hands-free control using supported voice assistants.

AI Auto Image Optimization

Does this projector include AI auto image optimization?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

Automatically enhances image settings using AI.

Wireless Casting

Does this projector support wireless casting?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

Indicates compatibility with casting protocols like Chromecast or AirPlay.

Screen Mirroring Standard

What screen mirroring standard does this projector support?

Who knows? 0 Votes ViewSonic PX747-4K (Help us out by suggesting one!)

Who knows? 0 Votes Optoma UHD50 (Help us out by suggesting one!)

Specifies which standard is used for mirroring devices.

Smart Calibration

Does this projector support smart calibration?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

Indicates whether calibration can be optimized automatically or via app.

Bluetooth Version

What is the Bluetooth version?

Who knows? 0 Votes ViewSonic PX747-4K (Help us out by suggesting one!)

Who knows? 0 Votes Optoma UHD50 (Help us out by suggesting one!)

Indicates the Bluetooth protocol version for audio and accessories.

Wi-Fi Band Support

What Wi-Fi bands does this projector support?

Who knows? 0 Votes ViewSonic PX747-4K (Help us out by suggesting one!)

Who knows? 0 Votes Optoma UHD50 (Help us out by suggesting one!)

Indicates the supported wireless frequency bands.

On-Device Storage Capacity

What is the on-device storage capacity?

Who knows? 0 Votes ViewSonic PX747-4K (Help us out by suggesting one!)

Who knows? 0 Votes Optoma UHD50 (Help us out by suggesting one!)

Amount of internal memory available for apps and media.

Connectivity & I/O Ports 14

Audio Out Port Type

What type of audio out port does this projector have?

15 ViewSonic PX747-4K 0 Votes 3.5mm

40 Optoma UHD50 1 Votes 3.5mm, Optical

ViewSonic PX747-4K
vs
Optoma UHD50
Audio Out Port Type

Audio Out Port Type is 3.5mm on ViewSonic PX747-4K and both 3.5mm and Optical on Optoma UHD50, providing more audio output options on the Optoma.

Indicates available audio output interfaces.

Optoma nails it with their audio out having both 3.5mm and optical outputs that are super versatile.

See more

VGA Port

Does this projector support VGA input?

Yes 1 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
VGA Port

ViewSonic PX747-4K includes a VGA Port while Optoma UHD50 does not, offering more legacy connectivity on ViewSonic.

Indicates presence of a VGA input for legacy devices.

Having a VGA port on the ViewSonic is clutch for using older devices without any hassle.

See more

AV Composite Input

Does this projector offer AV composite input?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
AV Composite Input

AV Composite Input is unavailable on both ViewSonic PX747-4K and Optoma UHD50, preventing analogue composite video input.

Indicates whether composite video input is available.

RS-232 Port

Does this projector include an RS-232 port?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
RS-232 Port

RS-232 Port is present on both ViewSonic PX747-4K and Optoma UHD50, allowing for serial communication control in professional setups.

Indicates support for professional control and automation systems.

HDMI Ports Count

How many HDMI ports does this projector have?

45 ViewSonic PX747-4K 0 Votes 2

45 Optoma UHD50 0 Votes 2

ViewSonic PX747-4K
ViewSonic PX747-4K

There are 2 HDMI ports, allowing connection of multiple high-definition sources simultaneously.

Optoma UHD50
Optoma UHD50

There are 2 HDMI ports, allowing connection of multiple external devices such as game consoles or Blu-ray players.

Number of HDMI inputs available for digital video and audio.

HDMI Version

What HDMI version does this projector support?

62 ViewSonic PX747-4K 0 Votes 2.0

62 Optoma UHD50 0 Votes 2.0

ViewSonic PX747-4K
ViewSonic PX747-4K

It supports HDMI version 2.0, ensuring compatibility with modern devices and supports higher resolutions and frame rates compared to older HDMI versions.

Optoma UHD50
Optoma UHD50

HDMI version 2.0 is supported, providing compatibility with modern high-definition video and audio formats.

Specifies the supported HDMI standard.

Ethernet Port

Does this projector support Ethernet?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

Includes an Ethernet port for wired network connectivity, useful for stable internet access or device control.

Optoma UHD50
Optoma UHD50

An Ethernet port is present, allowing for wired network connectivity, which can provide more stable internet access than Wi-Fi.

Indicates whether wired internet connectivity is available.

12V Trigger Port

Does this projector have a 12V trigger port?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

There is a 12V trigger port available, useful for automating screen drop or other AV equipment based on projector status.

Optoma UHD50
Optoma UHD50

A 12V trigger port is included, enabling automation of external devices such as motorized projector screens.

Used to control motorized screens and automation systems.

USB Type Support

What USB types are supported?

35 ViewSonic PX747-4K 0 Votes USB-A

35 Optoma UHD50 0 Votes USB-A

ViewSonic PX747-4K
ViewSonic PX747-4K

USB connection is USB-A type, a widely used port type compatible with many peripheral devices.

Defines the supported USB standards and connector types.

Optical Audio Output

Does this projector include an optical audio output?

No 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

Optoma UHD50
Optoma UHD50

An optical audio output is available, allowing for high-quality digital audio output to external sound systems.

Indicates availability of optical audio interface for high-quality sound systems.

SD Card Slot

Does this projector support an SD card slot?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
SD Card Slot

Neither ViewSonic PX747-4K nor Optoma UHD50 includes an SD Card Slot, limiting direct media playback from cards.

Indicates ability to read media directly from SD cards.

Wireless Input Lag

What is the wireless input lag?

37 ms 0 Votes
ViewSonic PX747-4K
0 ms 0 Votes
Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

Wireless input lag is 37 milliseconds, which may slightly affect fast-paced gaming or real-time interaction over wireless connections.

Measures latency when receiving content wirelessly.

Audio System 9

Audio Processing Type

What type of audio processing does this projector use?

15 ViewSonic PX747-4K 0 Votes Standard

15 Optoma UHD50 0 Votes Standard

ViewSonic PX747-4K
vs
Optoma UHD50
Audio Processing Type

Both ViewSonic PX747-4K and Optoma UHD50 use Standard Audio Processing Type, indicating basic audio processing capabilities.

Defines the audio enhancement engine used to improve clarity, bass response, and spatial sound.

Speaker Output Power

What is the speaker output power?

10 Watt 0 Votes
ViewSonic PX747-4K
10 Watt 0 Votes
Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Speaker Output Power

Speaker Output Power is equal at 10 Watts for both ViewSonic PX747-4K and Optoma UHD50, providing the same audio power output.

Indicates total audio power from built-in speakers.

Speaker Configuration

What is the speaker configuration?

25 ViewSonic PX747-4K 0 Votes Mono

65 Optoma UHD50 0 Votes Stereo

Optoma UHD50
Optoma UHD50

The speaker configuration is stereo, delivering two-channel audio suitable for general use without surround sound complexity.

Describes the speaker layout inside the projector.

DTS Audio

Does this projector support DTS audio?

No 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

Optoma UHD50
Optoma UHD50

DTS audio support is included, ensuring compatibility with high-quality digital sound formats for enhanced audio experience.

Indicates whether DTS audio decoding is available.

Sound Modes

What sound modes are available?

85 ViewSonic PX747-4K 0 Votes Movie, Music, Game

85 Optoma UHD50 0 Votes Movie, Music, Game

Optoma UHD50
Optoma UHD50

Sound modes include movie, music, and game presets, tailoring audio output to different content types.

Preset audio profiles optimized for different content.

Fan Noise Level

What is the fan noise level?

31 dB 0 Votes
ViewSonic PX747-4K
26 dB 0 Votes
Optoma UHD50

Optoma UHD50
Optoma UHD50

The fan noise level is 26 dB, low enough to be unobtrusive during typical viewing conditions.

Measures ambient noise from the projector fan.

Dolby Audio

Does this projector support Dolby audio?

No 0 Votes ViewSonic PX747-4K

Yes 1 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Dolby Audio

Dolby Audio is not supported on ViewSonic PX747-4K, but it is available on Optoma UHD50, suggesting better audio decoding on the Optoma.

Determines whether the projector supports Dolby audio formats.

Dolby Audio on the Optoma really upgrades the speaker quality and makes watching movies more immersive.

See more

Bluetooth Audio Output

Does this projector support Bluetooth audio output?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Bluetooth Audio Output

Bluetooth Audio Output is not available on either ViewSonic PX747-4K or Optoma UHD50, limiting wireless audio streaming from these projectors.

Allows wireless output to speakers or headphones.

Microphone Input

Does this projector support microphone input?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Microphone Input

Microphone Input is not provided on both ViewSonic PX747-4K and Optoma UHD50, so external microphones cannot be connected.

Indicates whether microphones can be connected for presentations or karaoke.

Controls & User Interface 11

Remote Control Type

What type of remote control is included?

15 ViewSonic PX747-4K 0 Votes Standard

25 Optoma UHD50 0 Votes Standard, Backlit

ViewSonic PX747-4K
vs
Optoma UHD50
Remote Control Type

Remote Control Type is Standard on ViewSonic PX747-4K versus Standard with Backlit on Optoma UHD50, making the Optoma remote easier to use in low light.

Defines the style and capability of the included remote.

Auto Source Detection

Does this projector support auto source detection?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Auto Source Detection

Auto Source Detection is supported by both ViewSonic PX747-4K and Optoma UHD50 projectors, enabling automatic input recognition.

Detects active inputs automatically.

Control Panel Type

What is the control panel type?

15 ViewSonic PX747-4K 0 Votes Buttons

15 Optoma UHD50 0 Votes Buttons

ViewSonic PX747-4K
ViewSonic PX747-4K

The control panel is button-based, requiring manual interaction without touch sensitivity.

Indicates the type of on-device control interface.

Backlit Remote

Does this projector include a backlit remote?

No 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

Optoma UHD50
Optoma UHD50

The projector includes a backlit remote, which means you can operate it easily even in dark environments.

Indicates whether the remote supports backlighting for dark rooms.

Custom Preset Modes

Does this projector allow custom preset modes?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

Custom preset modes are available, allowing users to save preferred picture settings for different applications.

Indicates whether image or sound presets can be saved by the user.

Input Switching Speed

What is the input switching speed?

2 second 0 Votes
ViewSonic PX747-4K
3 second 0 Votes
Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Input Switching Speed

Input Switching Speed is faster on ViewSonic PX747-4K at 2 seconds compared to 3 seconds on Optoma UHD50, resulting in quicker source changes on ViewSonic.

Time required to change from one input to another.

Indicator Light Controls

Does this projector support indicator light controls?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

Indicator light controls are available, enabling users to manage or disable status indicator LEDs for minimized distraction.

Allows dimming or disabling LED indicator lights.

On-Screen Menu Features

What on-screen menu features does this projector offer?

75 ViewSonic PX747-4K 0 Votes Quick Settings, Advanced Settings, Icon-Based Menu

80 Optoma UHD50 0 Votes Advanced Settings, Icon-Based Menu

ViewSonic PX747-4K
vs
Optoma UHD50
On-Screen Menu Features

ViewSonic PX747-4K includes Quick Settings along with Advanced and Icon-Based menus, while Optoma UHD50 lacks Quick Settings, indicating a more accessible menu on the ViewSonic.

Describes navigational and functional features available inside the on-screen display (OSD) menu.

Programmable Buttons

Does this projector include programmable buttons?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

Determines whether the projector or remote includes assignable hotkeys.

Parental Control Features

Does this projector include parental control features?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

Indicates whether parental restrictions or PIN locks are available.

Power & Electrical 12

Power Consumption Normal Mode

What is the power consumption in normal mode?

310 Watt 0 Votes
ViewSonic PX747-4K
300 Watt 0 Votes
Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Power Consumption Normal Mode

Power Consumption in Normal Mode is slightly higher on ViewSonic PX747-4K at 310 Watts versus 300 Watts on Optoma UHD50, implying somewhat greater power usage for ViewSonic.

Average power usage while running at full performance.

Power Cord Length

What is the power cord length?

6 ft 0 Votes
ViewSonic PX747-4K
6 ft 0 Votes
Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

The power cord is 6 ft (1.83 m) long, providing sufficient length for typical room setups without requiring an extension.

Optoma UHD50
Optoma UHD50

The power cord length is 6 feet (1.83 meters), allowing some flexibility in projector placement relative to power outlets.

Length of included power cable.

Power Consumption Eco Mode

What is the power consumption in eco mode?

240 Watt 0 Votes
ViewSonic PX747-4K
220 Watt 0 Votes
Optoma UHD50

Optoma UHD50
Optoma UHD50

In eco mode, power consumption is reduced to 220 watts, providing energy savings and reduced heat output.

Reduced power usage when operating in eco mode.

Input Voltage Range

What is the input voltage range?

35 ViewSonic PX747-4K 0 Votes 100–240V

35 Optoma UHD50 0 Votes 100–240V

ViewSonic PX747-4K
vs
Optoma UHD50
Input Voltage Range

Input Voltage Range is 100–240V for both ViewSonic PX747-4K and Optoma UHD50, suitable for a wide range of power sources.

Supported voltage range for safe operation.

Power Supply Type

What is the power supply type?

65 ViewSonic PX747-4K 0 Votes Internal

65 Optoma UHD50 0 Votes Internal

Optoma UHD50
Optoma UHD50

The power supply is internal which simplifies setup since no external power brick is required.

Indicates whether the power supply is built-in or external.

Power Efficiency Rating

What is the power efficiency rating?

0 ViewSonic PX747-4K 0 Votes None

0 Optoma UHD50 0 Votes None

ViewSonic PX747-4K
vs
Optoma UHD50
Power Efficiency Rating

Power Efficiency Rating is None on both ViewSonic PX747-4K and Optoma UHD50, so no formal efficiency certification applies.

Describes the energy efficiency certification.

Heat Output

What is the heat output?

1,050 BTU 0 Votes
ViewSonic PX747-4K
1,023 BTU 0 Votes
Optoma UHD50

Optoma UHD50
Optoma UHD50

The projector's heat output is 1023 BTU, which converts to approximately 267.1 kJ/h indicating the heat dissipation rate during operation.

Measures emitted heat during operation.

Thermal Control Technology

What thermal control technology does this projector use?

35 ViewSonic PX747-4K 0 Votes Standard Cooling

65 Optoma UHD50 0 Votes Advanced Cooling

Optoma UHD50
Optoma UHD50

Advanced cooling technology is integrated, helping maintain optimal operating temperature for better performance and longevity.

Defines the system used to manage heat and maintain safe operating temperatures.

Operating Power Frequency

What is the operating power frequency?

60 Hz 0 Votes
ViewSonic PX747-4K
60 Hz 0 Votes
Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

Operating power frequency is 60 Hz, standard for North American power supplies and other regions.

Indicates supported AC frequency.

Standby Power

What is the standby power consumption?

0.5 Watt 0 Votes
ViewSonic PX747-4K
0.5 Watt 0 Votes
Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Standby Power

Standby Power is 0.5 Watts on both ViewSonic PX747-4K and Optoma UHD50, reflecting low energy consumption during standby mode.

Power consumed when the projector is not active but still plugged in.

Surge Protection

Does this projector include surge protection?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Surge Protection

Surge Protection is not available on either ViewSonic PX747-4K or Optoma UHD50, indicating no built-in system to guard against electrical surges.

Indicates whether built-in surge protection is included.

Power-On Time

What is the power-on time?

10 second 0 Votes
ViewSonic PX747-4K
30 second 0 Votes
Optoma UHD50

Time required for the projector to turn on and display an image.

Physical & Dimensions 17

Package Height

What is the package height?

7 inch 0 Votes
ViewSonic PX747-4K
8 inch 0 Votes
Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

Package height measures 7 inches (17.78 cm), relevant for shipping and storage dimensions.

Optoma UHD50
Optoma UHD50

Package height is 8 inches (20.32 cm).

Height of the boxed projector.

Mounting Type

What is the mounting type?

20 ViewSonic PX747-4K 0 Votes Tabletop, Ceiling

20 Optoma UHD50 0 Votes Tabletop, Ceiling

ViewSonic PX747-4K
vs
Optoma UHD50
Mounting Type

Mounting Type for both ViewSonic PX747-4K and Optoma UHD50 includes Tabletop and Ceiling options, offering flexible installation choices.

Describes available mounting configurations.

Chassis Reinforcement Type

What type of chassis reinforcement is used?

45 ViewSonic PX747-4K 0 Votes Standard Reinforcement

45 Optoma UHD50 0 Votes Standard Reinforcement

ViewSonic PX747-4K
ViewSonic PX747-4K

The chassis features standard reinforcement, providing basic structural integrity without additional specialized protections.

Optoma UHD50
Optoma UHD50

The chassis uses standard reinforcement, ensuring durability without specialized heavy-duty framing.

Indicates extra structural strengthening applied to the projector chassis.

Package Depth

What is the package depth?

12 inch 1 Votes
ViewSonic PX747-4K
18 inch 0 Votes
Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Package Depth

Package Depth is 12 inches for ViewSonic PX747-4K compared to 18 inches for Optoma UHD50, indicating smaller packaging for the ViewSonic.

Depth of the boxed projector.

I appreciated the smaller package depth of the ViewSonic makes it easier to fit into different setups.

See more

Depth

What is the depth of the projector?

5.3 inch 0 Votes
ViewSonic PX747-4K

Who knows? 0 Votes Optoma UHD50 (Help us out by suggesting one!)

ViewSonic PX747-4K
vs
Optoma UHD50
Depth

Depth is 5.3 inches on ViewSonic PX747-4K, while depth information is unavailable for Optoma UHD50, making size comparison incomplete.

Physical depth measurement.

Weight

What is the weight of the projector?

9.3 lbs 0 Votes
ViewSonic PX747-4K

Who knows? 0 Votes Optoma UHD50 (Help us out by suggesting one!)

ViewSonic PX747-4K
ViewSonic PX747-4K

The projector weighs 9.3 lbs (4.22 kg), making it portable enough for semi-permanent installations or easy repositioning.

Total weight of the projector.

Ceiling Mount Compatibility

Is the projector compatible with ceiling mounting?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Ceiling Mount Compatibility

Ceiling Mount Compatibility is Yes on both projectors, facilitating ceiling installation.

Indicates whether the projector supports ceiling mounting.

Body Ventilation Design

What is the body ventilation design of this projector?

45 ViewSonic PX747-4K 0 Votes Side Vent

20 Optoma UHD50 0 Votes Rear Vent

Optoma UHD50
Optoma UHD50

The device uses a rear vent design for body ventilation, which affects heat dissipation and placement options.

Describes the airflow layout used to cool the internal components.

Cooling Fan Size

What is the cooling fan size?

3 inch 0 Votes
ViewSonic PX747-4K

Who knows? 0 Votes Optoma UHD50 (Help us out by suggesting one!)

ViewSonic PX747-4K
ViewSonic PX747-4K

Cooling fan size is 3 inches (7.62 cm), helping manage internal temperatures during operation.

Fan diameter contributing to cooling performance.

Width

What is the width of the projector?

13.1 inch 0 Votes
ViewSonic PX747-4K

Who knows? 0 Votes Optoma UHD50 (Help us out by suggesting one!)

ViewSonic PX747-4K
vs
Optoma UHD50
Width

Width is 13.1 inches for ViewSonic PX747-4K but not available for Optoma UHD50, so horizontal size comparison is incomplete.

Physical width of the projector body.

Height

What is the height of the projector?

10.3 inch 0 Votes
ViewSonic PX747-4K

Who knows? 0 Votes Optoma UHD50 (Help us out by suggesting one!)

Vertical size of the projector body.

Folded Width

What is the folded width?

Who knows? 0 Votes ViewSonic PX747-4K (Help us out by suggesting one!)

Who knows? 0 Votes Optoma UHD50 (Help us out by suggesting one!)

Width when the projector or components are folded (if applicable).

Environmental Conditions 10

Light Spill Control

Does this projector have light spill control?

No 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
ViewSonic PX747-4K

No light spill control is included, so some amount of stray light may be visible around the projected image in a dark room.

Optoma UHD50
Optoma UHD50

Light spill control is enabled, minimizing unwanted light projection outside the target viewing area to prevent distractions.

Indicates measures used to contain unwanted light scatter.

Eco Mode Power Reduction Percentage

What is the eco mode power reduction percentage?

23 % 0 Votes
ViewSonic PX747-4K
27 % 0 Votes
Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Eco Mode Power Reduction Percentage

Eco Mode Power Reduction is 23% on ViewSonic PX747-4K compared to 27% on Optoma UHD50, indicating the Optoma saves more power when in eco mode.

Amount of power saved when using eco mode.

Operating Temperature Minimum

What is the minimum operating temperature?

32 °F 0 Votes
ViewSonic PX747-4K
41 °F 0 Votes
Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Operating Temperature Minimum

The Operating Temperature Minimum differs with 32°F for ViewSonic PX747-4K and 41°F for Optoma UHD50, meaning the ViewSonic can operate in cooler environments.

Minimum safe temperature at which the projector can operate.

Operating Temperature Maximum

What is the maximum operating temperature?

104 °F 0 Votes
ViewSonic PX747-4K
104 °F 0 Votes
Optoma UHD50

Optoma UHD50
Optoma UHD50

The maximum operating temperature is 104°F (40°C), specifying the upper safe limit for device use.

Maximum safe temperature for normal operation.

Storage Temperature Minimum

What is the minimum storage temperature?

-4 °F 0 Votes
ViewSonic PX747-4K
-4 °F 0 Votes
Optoma UHD50

Optoma UHD50
Optoma UHD50

The minimum storage temperature is -4°F (-20°C), which is the lower limit for safe storage of the device.

Minimum safe temperature for storing the projector.

Storage Temperature Maximum

What is the maximum storage temperature?

140 °F 0 Votes
ViewSonic PX747-4K
140 °F 0 Votes
Optoma UHD50

Optoma UHD50
Optoma UHD50

The maximum storage temperature is 140°F (60°C), indicating the upper limit for safe storage conditions.

Maximum temperature the projector can handle when stored.

Storage Humidity Range

What is the storage humidity range?

55 ViewSonic PX747-4K 0 Votes 10-90% RH

50 Optoma UHD50 0 Votes 5–95%

ViewSonic PX747-4K
vs
Optoma UHD50
Storage Humidity Range

Storage Humidity Range is 10-90% RH for ViewSonic PX747-4K and 5–95% for Optoma UHD50, so the Optoma kit supports slightly wider storage humidity conditions.

Humidity levels tolerated during storage.

Operating Humidity Range

What is the operating humidity range?

80 ViewSonic PX747-4K 0 Votes 10-90% RH

70 Optoma UHD50 0 Votes 10–85%

ViewSonic PX747-4K
vs
Optoma UHD50
Operating Humidity Range

Operating Humidity Range is 10-90% RH on ViewSonic PX747-4K versus 10-85% on Optoma UHD50, offering the ViewSonic a slightly broader operating humidity tolerance.

Acceptable humidity levels for proper operation.

Dust Resistance Rating

What is the dust resistance rating?

45 ViewSonic PX747-4K 0 Votes Basic

45 Optoma UHD50 0 Votes Basic

ViewSonic PX747-4K
vs
Optoma UHD50
Dust Resistance Rating

Both ViewSonic PX747-4K and Optoma UHD50 have Basic Dust Resistance Ratings, offering similar protection against dust ingress.

Indicates how well the projector resists dust intrusion.

Outdoor Use

Does this projector support outdoor use?

No 0 Votes ViewSonic PX747-4K

No 0 Votes Optoma UHD50

Specifies whether the projector is designed for outdoor environments.

Accessories & Warranty 8

Quick-Start Guide

Is a quick-start guide included?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Quick-Start Guide

Quick-Start Guide is included with both ViewSonic PX747-4K and Optoma UHD50, helping users set up quickly.

Indicates whether a printed or digital quick-start guide is provided.

Included Accessories

What accessories are included with the projector?

30 ViewSonic PX747-4K 0 Votes Remote, Power Cable

30 Optoma UHD50 0 Votes Remote, Power Cable

ViewSonic PX747-4K
ViewSonic PX747-4K

Included accessories are a remote control and power cable, providing all essentials for immediate use.

Lists the accessories that come in the box.

Remote Control Battery Type

What battery type does the remote control use?

45 ViewSonic PX747-4K 0 Votes AAA

45 Optoma UHD50 0 Votes AAA

ViewSonic PX747-4K
vs
Optoma UHD50
Remote Control Battery Type

Remote Control Battery Type is AAA for both ViewSonic PX747-4K and Optoma UHD50, using common batteries for remote control.

Specifies the battery type required for the remote.

Warranty Duration

What is the warranty duration?

65 ViewSonic PX747-4K 0 Votes 3 years

0 Optoma UHD50 0 Votes 1 year

ViewSonic PX747-4K
ViewSonic PX747-4K

The warranty duration is 3 years, providing extended protection and support beyond typical 1-year terms.

The length of the included manufacturer warranty.

Service Availability Region

What is the service availability region?

95 ViewSonic PX747-4K 0 Votes Global

95 Optoma UHD50 0 Votes Global

ViewSonic PX747-4K
vs
Optoma UHD50
Service Availability Region

Service Availability Region is Global for both ViewSonic PX747-4K and Optoma UHD50, ensuring worldwide support coverage.

Specifies the regions where service and repairs are supported.

Replacement Lamp Model

What replacement lamp model is supported?

55 ViewSonic PX747-4K 0 Votes Long-Life Lamp

35 Optoma UHD50 0 Votes Standard Lamp

Defines the type or class of replacement lamp or light module compatible with the projector.

Power Cable Type

What type of power cable is included?

95 ViewSonic PX747-4K 0 Votes 3-Prong

95 Optoma UHD50 0 Votes 3-Prong

ViewSonic PX747-4K
vs
Optoma UHD50
Power Cable Type

Power Cable Type is 3-Prong for both ViewSonic PX747-4K and Optoma UHD50, standard for safe power connection.

Describes the style of the included power cable.

Extended Warranty

Does this projector support extended warranty options?

Yes 0 Votes ViewSonic PX747-4K

Yes 0 Votes Optoma UHD50

ViewSonic PX747-4K
vs
Optoma UHD50
Extended Warranty

Extended Warranty is available for both ViewSonic PX747-4K and Optoma UHD50, providing additional coverage options beyond the standard warranty.

Indicates whether users can purchase extended warranty coverage.

Surveys

Because hot takes deserve votes.

Performance

How would you rate the performance of this projector in terms of brightness and picture quality?

Excellent picture quality — 3000+ lumens, sharp 4K resolution
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Very good picture quality — 2000 to 3000 lumens, crisp 1080p resolution
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Good picture quality — 1000 to 2000 lumens, clear HD resolution
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Average picture quality — 500 to 1000 lumens, decent clarity
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Poor picture quality — Under 500 lumens, blurry or washed-out image
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50

Ease of Setup

How would you rate the ease of setup for this projector?

Extremely easy — Set up in under 10 minutes, no technical knowledge needed
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Very easy — Setup within 15 minutes, minimal adjustments
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Easy — Takes about 20 minutes, some minor adjustments
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Moderate — Requires about 30 minutes, some technical adjustments
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Difficult — Takes more than 30 minutes, complicated setup
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50

Noise Level

How would you rate the noise level of this projector during operation?

Very quiet — Less than 20 dB, almost inaudible
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Quiet — 20 to 30 dB, noticeable but not distracting
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Moderate — 30 to 40 dB, some background noise
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Loud — 40 to 50 dB, noticeable and can be distracting
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Very loud — Over 50 dB, disruptive during viewing
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50

Design and Aesthetics

How would you rate the design and aesthetics of this projector?

Sleek and modern — Stylish and visually appealing, blends well in any setting
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Very attractive — Nice design, fits well with most decor
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Average design — Functional but not visually striking
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Plain — Simple design, not much appeal
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Unattractive — Bulky and outdated design
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50

Durability and Build Quality

How would you rate the durability and build quality of this projector?

Extremely durable — Built to last for years with high-quality materials
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Very durable — Solid construction, likely to last long with regular use
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Good durability — Sturdy but may show signs of wear over time
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Average durability — Can withstand some use but may wear down faster
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Poor durability — Flimsy build, likely to break or degrade quickly
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50

Connectivity Options

How would you rate the connectivity options of this projector?

Excellent connectivity — Multiple HDMI, wireless, USB, and streaming options
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Very good connectivity — HDMI and wireless, plus additional ports
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Good connectivity — HDMI and USB, wireless might be limited
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Fair connectivity — Basic HDMI and limited additional ports
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Poor connectivity — Limited or no HDMI, minimal connectivity options
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50

Lamp Life

How would you rate the lamp life of this projector?

Very long life — 15,000 hours or more, lasts for years with regular use
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Long life — 10,000 to 15,000 hours, will last a long time
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Average life — 5,000 to 10,000 hours, typical for many projectors
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Short life — 2,000 to 5,000 hours, may need replacement sooner
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Very short life — Under 2,000 hours, requires frequent bulb replacements
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50

Smart Features and App Integration

How would you rate the smart features and app integration of this projector?

Excellent — Fully integrated with apps, smart home control, and streaming services
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Very good — Supports streaming and some smart features, easy to use
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Good — Basic smart features like streaming, but limited app control
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Fair — Some smart features, but difficult to use or limited in functionality
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Poor — No smart features or app integration available
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50

Pricing

How would you rate the pricing for this projector?

Great value for money — Offers high-end features at an affordable price
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Pretty good price — Fair pricing considering the features and performance
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Fair deal — Reasonable price for average performance
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Kinda pricey — More expensive than expected for the features offered
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Crazy expensive — Overpriced compared to other options with similar features
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50

Remote Control Usability

How would you rate the usability of this projector's remote control?

Extremely user-friendly — Buttons are well-organized, easy to navigate
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Very easy to use — Simple layout, intuitive design
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Moderately easy to use — Somewhat confusing, but usable with practice
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Difficult to use — Poor layout, difficult to understand controls
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50
Unusable — Remote is complicated, not responsive, or lacks key features
0 Votes
ViewSonic PX747-4K
0 Votes
Optoma UHD50

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Average Rating

ViewSonic
ViewSonic
ViewSonic PX747-4K
ViewSonic PX747-4K
0 / 5 0 Reviews
Optoma
Optoma
Optoma UHD50
Optoma UHD50
0 / 5 0 Reviews

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ViewSonic PX747-4K
ViewSonic
ViewSonic
ViewSonic PX747-4K
Optoma UHD50
Optoma
Optoma
Optoma UHD50
vs