The JMGO N3 Ultimate is the better projector overall, rated 4.6 to 4.2. The JMGO N3 Ultimate leads on streaming and setup. The ViewSonic LS740-4K wins on warranty. The ViewSonic LS740-4K costs $599.01 less ($1,799.99 vs $2,399).
A very bright, easy to place 4K triple laser projector with Google TV, for living rooms with ambient light and for gamers. Buyers who mostly watch dark films in a dark room can find deeper blacks elsewhere.
Amazon $2,399A bright 4K laser projector for living rooms with ambient light, golf simulators and large screens, for buyers who will add their own streaming device.
Amazon $1,799.99Prices 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.
Each factor is scored 0-100 against the same fixed reference points for every 4K projector; a clear win is highlighted. How we rank explains each one.
| Factor weight | JMGO N3 Ultimate | ViewSonic LS740-4K |
|---|---|---|
| Overall rating | 4.6/5 | 4.2/5 |
| Brightness 25% | 100 5,800 ISO lumens | 100 5,000 ANSI lumens |
| Value 15% | 93 $0.41 per lumen | 96 $0.36 per lumen |
| Resolution 10% | 100 4K (pixel shift) | 100 4K (pixel shift) |
| Streaming 15% | 100 Google TV with licensed Netflix | 0 no built-in apps; needs a streaming stick |
| Setup 10% | 100 Autofocus, auto keystone, 1.9x zoom, lens shift | 20 1.6x zoom |
| Light life 10% | 50 light source life not published (neutral score used) | 100 30,000 hour laser |
| Gaming 10% | 100 1 ms input lag | 100 4.2 ms input lag |
| Warranty 5% | 0 1-year warranty | 100 3-year warranty |
| Tested by | Brightness | Input lag | Contrast | Conditions |
|---|---|---|---|---|
| Projector Reviews | 5,703 lm | 1.8 ms | - | Dynamic mode, from three or four readings 15 to 20% off center, not a nine-point ANSI average; Movie mode measured 3,040. Lag is the lowest reading, 1080p/120 in Extreme game mode. |
No independent test published yet.
| JMGO N3 Ultimate | ViewSonic LS740-4K | |
|---|---|---|
| Picture | ||
| Brightness | 5,800 ISO | 5,000 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 | RGB laser | laser |
| Light source life | - | 30,000 hours |
| HDR | Dolby Vision, HDR10, HLG | - |
| Color gamut | 110% BT.2020 | - |
| Dynamic contrast | 20,000:1 | 3,000,000:1 |
| Placement | ||
| Throw | Standard throw (0.9:1) | Standard throw (1.4:1) |
| Largest image | 300 in | 300 in |
| Autofocus | Yes | No |
| Auto keystone | Yes | No |
| Obstacle avoidance | Yes | No |
| Auto screen fit | Yes | No |
| Optical zoom | 1.9x | 1.6x |
| Lens shift | Horizontal and vertical | - |
| Streaming and gaming | ||
| Built-in apps | Google TV, licensed Netflix | None |
| Input lag | 1 ms | 4.2 ms |
| Top refresh rate | 240 Hz | 240 Hz |
| HDMI ports | 2 | 2 |
| eARC | Yes | - |
| Speakers | 25 W | 15 W |
| Build | ||
| Battery | None | None |
| Fan noise | 26 dB | 32 dB |
| Power | 300 W | 165 W |
| Dimensions | 308.3 x 229.85 x 274.13 mm | 11.3 x 8.5 x 5.1 in (W x D x H) |
| Weight | 15.3 lb | 6.8 lb |
| Warranty | 1 years | 3 years |
| Released | 2026-04-23 | 2026-08 |
