A bright LED 4K gaming projector with streaming in the box, for gamers who want low lag and no lamp to replace.
Amazon $1,799The BenQ X3100i rates 4.7 among 4K projectors; the Hisense PX4-PRO rates 4.4 among ultra short throw ones. The BenQ X3100i costs $2,198.97 less ($1,799 vs $3,997.97).

A bright, high contrast ultra short throw TV replacement for living rooms, and the pick for console and PC gamers who want 240Hz on a 100 inch or larger screen.
Amazon $3,997.97Prices were last checked October 29, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different type classes (4K and ultra short throw), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | BenQ X3100i | Hisense PX4-PRO |
|---|---|---|
| Overall rating | 4.7/5 | 4.4/5 |
| Brightness 25% | 91 3,300 ANSI lumens | 90 3,500 ANSI lumens |
| Value 15% | 86 $0.55 per lumen | 57 $1.14 per lumen |
| Resolution 10% | 100 4K (pixel shift) | 100 4K (pixel shift) |
| Streaming 15% | 100 Android TV with licensed Netflix | 100 VIDAA with licensed Netflix |
| Setup 10% | 70 Auto keystone, 1.3x zoom, lens shift | 50 Auto keystone |
| Light life 10% | 100 30,000 hour LED | 100 25,000 hour RGB laser |
| Gaming 10% | 100 4.2 ms input lag | 100 1 ms input lag |
| Warranty 5% | 100 3-year warranty | 50 2-year warranty |
Independent measurements
BenQ X3100i
| Tested by | Brightness | Input lag | Contrast | Conditions |
|---|---|---|---|---|
| ProjectorCentral | 2,949 lm | 5 ms | - | 2,949 ANSI lumens in Bright mode with video-level white (3,361 with full-white signal); 1,199 in calibrated User mode, Eco. Lag 5 ms at 1080p/240, 9 ms at 1080p/120, 17 ms at 4K/60 in FPS mode. |
Hisense PX4-PRO
No independent test published yet.
Specifications
| BenQ X3100i | Hisense PX4-PRO | |
|---|---|---|
| Picture | ||
| Brightness | 3,300 ANSI | 3,500 ANSI |
| Native resolution | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) |
| Picture resolution | 4K (pixel shift from 1920x1080) | 4K (pixel shift from 1920x1080) |
| Display | DLP | DLP |
| Light source | LED | RGB laser |
| Light source life | 30,000 hours | 25,000 hours |
| HDR | HDR10 | Dolby Vision, HDR10+, HDR10, HLG |
| Color gamut | 100% DCI-P3 | 118% BT.2020 |
| Dynamic contrast | 600,000:1 | 6,500:1 |
| Placement | ||
| Throw | Standard throw (1.1:1) | Ultra short throw (0.2:1) |
| Largest image | 300 in | 200 in |
| Autofocus | No | - |
| Auto keystone | Yes | - |
| Obstacle avoidance | No | - |
| Auto screen fit | No | Yes |
| Optical zoom | 1.3x | None |
| Lens shift | Vertical | - |
| Streaming and gaming | ||
| Built-in apps | Android TV, licensed Netflix | VIDAA, licensed Netflix |
| Input lag | 4.2 ms | 1 ms |
| Top refresh rate | 240 Hz | 240 Hz |
| HDMI ports | 2 | 4 |
| eARC | Yes | Yes |
| Speakers | 10 W | 66 W |
| Build | ||
| Battery | None | None |
| Fan noise | 32 dB | - |
| Power | 330 W | 250 W |
| Dimensions | 10.7 x 8.4 x 10.2 in (W x D x H) | 21.3 x 11.3 x 5.6 in |
| Weight | 15 lb | 18.3 lb |
| Warranty | 3 years | 2 years |
| Released | 2023-10 | 2026-08 |