ViewSonic PX701-4K: Specs, Throw Distance & Alternatives
A 4K UHD gaming projector with a lamp light source. ViewSonic rates it at 3,200 ANSI lumens and 4.2 ms input lag at 1080p/240, and ProjectorCentral measured about 17 ms at 4K/60. It has no smart TV system, no lens shift and only a 1.1x zoom.
Is the ViewSonic PX701-4K right for you?
Good for
- Console gaming at 4K/60: about 17 ms measured by ProjectorCentral
- High-refresh PC gaming at 1080p/240 (rated 4.2 ms)
- HDR10 and HLG content
- Two HDMI 2.0 inputs
What to plan for
- No built-in streaming or wireless: add a streaming stick (it has a powered USB-A port)
- No lens shift and a 1.1x zoom, so placement has to be planned
- Audio out is 3.5 mm only, with no ARC
- Lamp rated for 6,000 hours in Normal mode (20,000 in SuperEco)
- 240 Hz works at 1080p only; 4K is limited to 60 Hz
Based on manufacturer specifications and published reviews (sources below). We don't do hands-on testing.
ViewSonic PX701-4K specs
| Resolution | 4K UHD (3840 × 2160, DLP pixel shift) |
|---|---|
| Brightness | 3,200 ANSI lumens (ViewSonic rating; ProjectorCentral measured 2,582) |
| Display technology | DLP |
| Light source | Lamp (203 W) |
| Lamp life (Normal mode) | 6,000 hours |
| Contrast ratio | 12,000:1 dynamic (ViewSonic rating) |
| Throw ratio | 1.50-1.65:1 |
| Lens shift | None |
| Max refresh rate | 240 Hz |
| HDMI ports | 2 (HDMI 2.0) |
| Speakers | 10 W |
| Weight | 6.2 lb |
How far from the screen?
Lens-to-screen distance for a 16:9 image, calculated from its 1.50-1.65:1 throw ratio. The zoom lets you place it anywhere in the range.
| Screen | Closest | Farthest |
|---|---|---|
| 80″ | 8' 9" | 9' 7" |
| 100″ | 10' 11" | 12' 0" |
| 120″ | 13' 1" | 14' 5" |
| 150″ | 16' 4" | 18' 0" |
ViewSonic PX701-4K input lag by mode
| Signal | Input lag |
|---|---|
| 4K / 60 Hz | 16.9 ms |
| 1080p / 60 Hz | 16.8 ms |
| 1080p / 240 Hz (Ultra Fast Input) | 4.2 ms |
Source: ProjectorCentral measurements at 60 Hz; the 240 Hz figure is ViewSonic’s rating. Its fastest figure (4.2 ms at 1080p / 240 Hz (Ultra Fast Input)) is quicker than 77 of the 96 projectors with a lag figure in our input lag database, which lists each model's fastest mode.
ViewSonic PX701-4K alternatives at a similar price
In-stock 4K projectors priced closest to it on Amazon today.
| Model | Price today | Amazon rating | Compare |
|---|---|---|---|
| ViewSonic PX701-4K (this one) | $976 | 4.2★ | — |
| Optoma UHD38X 4K UHD Projector with High Dynamic Range - Whi | $999 | 3.6★ | Head-to-head |
| JMGO N1S Ultra 4K Triple Laser Projector with WiFi and Bluet | $1,149 | — | — |
| ViewSonic PX749-4K UHD 4K Gaming Projector Designed for Xbox | $1,169 | 3.8★ | — |
| Optoma UHZ36 4K UHD Laser HDR Home Theater Projector - Black | $1,199 | 4.0★ | — |
ViewSonic PX701-4K head-to-head comparisons
- ViewSonic PX701-4K vs Optoma UHD38x
Budget 4K duel: ViewSonic’s value pick vs Optoma’s brightness
Where it fits
ViewSonic PX701-4K FAQ
- How far from the screen should the ViewSonic PX701-4K be for a 100-inch image?
- Between 10' 11" and 12' 0" from lens to screen, depending on the zoom setting (throw ratio 1.50-1.65:1).
- What is the input lag of the ViewSonic PX701-4K?
- 4K / 60 Hz: 16.9 ms; 1080p / 60 Hz: 16.8 ms; 1080p / 240 Hz (Ultra Fast Input): 4.2 ms. Source: ProjectorCentral measurements at 60 Hz; the 240 Hz figure is ViewSonic’s rating.
- Is the ViewSonic PX701-4K native 4K?
- No. Its resolution is 4K UHD (3840 × 2160, DLP pixel shift). It builds the 4K image with pixel shifting instead of a native 3840 × 2160 chip or panel.
- Does the ViewSonic PX701-4K have lens shift?
- No. It has no lens shift and a 1.1x manual zoom.
Sources
Price, stock and rating come from Amazon and update automatically (last checked Nov 14, 2026, 8:00 PM).
Disclosure: As an Amazon Associate we earn from qualifying purchases. We also participate in the eBay Partner Network. We may earn a commission when you click through an affiliate link and make a purchase, at no extra cost to you. Prices and availability shown are accurate as of the time posted but are subject to change. Any price and availability information displayed at the time of purchase will apply.