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- UZ38X vs LX750-4KB
Optoma UZ38X vs ViewSonic LX750-4KB
What UZ38X does better (4) and where LX750-4KB wins (1) — every spec side by side.
Dimensions
Size comparison
UZ38XLX750-4KB
| UZ38X | LX750-4KB | Difference | |
|---|---|---|---|
| Height | 130 mm | 104 mm | +26 mm |
| Width | 238 mm | 312 mm | −74 mm |
| Depth | 215 mm | 234 mm | −19 mm |
| Weight | 3.4 kg | 3.5 kg | −0.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is UZ38X better than LX750-4KB?
- Light source life30,000 h vs 20,000 h+50%
- HDMI inputs2 vs 12×
- Audio outputYes · LX750-4KB: No
- Weight3.4 kg vs 3.5 kg+3%
Why is LX750-4KB better than UZ38X?
- Brightness (ANSI / ISO lumens)3,800 lm vs 4,000 lm+5%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 3840 × 2160 (4K UHD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | 4K by pixel shifting | 4K by pixel shifting |
| Display technology | DLP | DLP |
| Light source | Laser | Laser |
| Brightness (ANSI / ISO lumens) | 3,800 lm | 4,000 lm |
| Contrast ratio (dynamic / claimed) | 1,500,000:1 | — |
| Gaming | ||
| Maximum refresh rate | — | 240 Hz |
| Lens & placement | ||
| Throw ratio | 1.21:1 | — |
| Throw ratio (zoomed in) | 1.59:1 | — |
| Throw type | Standard throw (1.0:1 and longer) | — |
| Distance for a 100″ 16:9 image | 2.68 m | — |
| Smallest image size | 28″ | — |
| Largest image size | 300″ | 300″ |
| Optical zoom | 1.3× | — |
| Autofocus | — | No |
| Keystone correction | Yes | — |
| Automatic keystone correction | No | — |
| Sound | ||
| Built-in speakers (total output) | 15 W | — |
| Smart & streaming | ||
| Internal storage | — | 8 GB |
| Connectivity | ||
| HDMI inputs | 2 | 1 |
| HDMI version | 2 | 2 |
| USB port | Yes | No |
| Ethernet (LAN) | No | No |
| VGA input | No | No |
| Audio output | Yes | No |
| Battery, power & lifetime | ||
| Light source life | 30,000 h | 20,000 h |
| Design & noise | ||
| Fan noise | 33 dB | 33 dB |
| Fan noise (eco mode) | 28 dB | 27 dB |
| Weight | 3.4 kg | 3.5 kg |
| Width | 238 mm | 312 mm |
| Height | 130 mm | 104 mm |
| Depth | 215 mm | 234 mm |
| Colours | Black | White |
