Our take
The ViewSonic PX747-4K combines a 3,500 ANSI-lumen rating, UHD-format output, and a conventional 1.2× zoom lens for a planned home room. ViewSonic describes a 0.47-inch DLP with XPR processing, so the marketed 4K signal should not be treated as proof of a physical 3840-pixel native grid. Its lamp and room-distance requirements make it a fixed AC-powered choice rather than a portable or close-wall option.
Home video where high stated ANSI output and UHD-format sources matter more than battery or ultra-short placement..
Avoid it if your must-have is verified physical native 4K, built-in streaming apps, battery operation, or a lens that can sit immediately by the screen.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- The manufacturer labels its 3,500-lumen figure as ANSI.
- UHD-format output, HDR support, and HDMI inputs suit high-resolution home sources.
- A 1.2× optical zoom provides limited flexibility when measuring a conventional room.
What to weigh up
- The 0.47-inch DLP and XPR description do not establish a native 3840-pixel panel.
- The lamp needs condition and hour checks in any used unit.
- A 100-inch image requires several metres of throw rather than ultra-short placement.
Specifications and exact model details
The key details
| Model covered | PX747-4K |
|---|---|
| Image format | 4K UHD output through a 0.47-inch DLP/XPR system; physical native grid not established |
| Rated light output | 3,500 ANSI lumens; lamp life listed up to 4,000 normal / 15,000 SuperEco hours |
| Placement | 1.2× optical zoom, HDMI inputs, and 10 W speaker |
Performance figures are manufacturer claims. Source checked October 15, 2026. Regional models and included accessories can differ.
Full review: how the features affect your choice
What the features mean for you
Understand the UHD and native-pixel distinction
ViewSonic advertises 4K UHD output and describes a 0.47-inch DLP with XPR processing. That supports the model's UHD-format role, but it does not establish a physical native panel with 3840 horizontal pixels. The profile therefore leaves nativeHorizontalPixels unknown rather than assigning 3840 from the output claim. If the selection requirement is simply compatibility with UHD sources, the advertised format is relevant. If the requirement is specifically a native 4K imaging grid, request a direct manufacturer statement about the physical panel before treating this model as eligible.
ANSI rating is explicit
The PX747-4K page states 3,500 ANSI lumens, so the brightness figure has a named method and can be compared more directly with other ANSI-rated projector specifications. It remains a manufacturer rating rather than an independent measurement of an individual projector. Image size, mode, screen material, room light, and lamp age influence the visible result. The high listed output can support a larger target than many small portable units, but buyers should still choose a screen and room setting from realistic light-control expectations.
Conventional throw requires room depth
ViewSonic lists a throw ratio around 1.47–1.76 and gives about 3.26 metres for a 100-inch image. The 1.2× optical zoom gives some adjustment around a planned installation point, but the projector still needs a conventional distance from screen. Measure from the lens to the screen, not from the back of the projector, and account for mount position and cable clearance. The page does not document optical lens shift, so an offset mount should be planned carefully rather than assuming a generous later correction.
Lamp life is a maintenance estimate
The product page lists lamp life up to about 4,000 hours in normal mode and 15,000 in SuperEco. These are manufacturer estimates for operating modes, not a statement about remaining life in a used PX747-4K. Ask for the actual menu reading, whether the lamp has been replaced, and how the image looks across a full screen. Check that cooling completes after shutdown and that the replacement lamp is available for the exact model. The unit requires AC power and ventilation as part of a fixed home setup.
Inputs and speaker support a simple cinema chain
ViewSonic lists two HDMI inputs and a 10 W speaker, with support for UHD and HDR-format sources. HDMI gives a direct connection for a receiver, disc player, game console, or streaming box. The source page does not establish a built-in app platform, so plan on an external device for streaming rather than treating its video processing as a smart-TV function. The integrated speaker may be convenient for basic audio, while a dedicated home theater will generally need separate sound planning.
Choose it when output matters more than convenience
The PX747-4K suits a permanent home position where an explicit ANSI rating, HDR support, and UHD-format signal path are key. Its trade-offs are the unresolved physical native grid, lamp maintenance, limited zoom, and lack of established smart apps or UST placement. Compare it with confirmed native-4K models if pixel architecture is essential, and with a short-throw or laser model if the room geometry or maintenance cycle matters more. This assessment follows the specifications and does not claim hands-on image measurements.
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Before you buy
Is the PX747-4K native 3840 pixels wide?
ViewSonic advertises UHD output and describes XPR processing, but the checked page does not establish a physical native 3840-pixel grid.
Is its brightness ANSI-rated?
Yes. ViewSonic lists 3,500 ANSI lumens for the PX747-4K.
Can it be placed close to the screen?
No UST placement is documented; ViewSonic gives a conventional throw ratio and about 3.26 metres for a 100-inch image.
Where can I check the current price?
Use the Amazon link for current offers. Check the exact model, seller, product condition, delivery, and return terms. This page does not display a live price or confirm stock.
Sources and review basis
Sources & review basis
We use the linked product documentation for the features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.
- ViewSonic PX747-4K official US product page ↗ — checked October 15, 2026.
- ViewSonic PX747-4K official US product specifications ↗ — checked October 15, 2026.
Is it the right fit?
Check the exact model and today’s offers on Amazon.