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- UZ38X vs LSD400HD
Optoma UZ38X vs ViewSonic LSD400HD
What UZ38X does better (1) and where LSD400HD wins (4) — every spec side by side.
Dimensions
Size comparison
UZ38XLSD400HD
| UZ38X | LSD400HD | Difference | |
|---|---|---|---|
| Height | 130 mm | 129 mm | +1 mm |
| Width | 238 mm | 280 mm | −42 mm |
| Depth | 215 mm | 216 mm | −1 mm |
| Weight | 3.4 kg | 3 kg | +0.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is UZ38X better than LSD400HD?
- Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
Why is LSD400HD better than UZ38X?
- Brightness (ANSI / ISO lumens)3,800 lm vs 4,400 lm+16%
- Contrast ratio (dynamic / claimed)1,500,000:1 vs 3,000,000:12×
- Fan noise33 dB vs 32 dB+3%
- Weight3.4 kg vs 3 kg+13%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 1920 × 1080 (Full HD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | 4K by pixel shifting | — |
| Display technology | DLP | DLP |
| Light source | Laser | Laser |
| Brightness (ANSI / ISO lumens) | 3,800 lm | 4,400 lm |
| Contrast ratio (dynamic / claimed) | 1,500,000:1 | 3,000,000:1 |
| Gaming | ||
| Maximum refresh rate | — | 120 Hz |
| Lens & placement | ||
| Throw ratio | 1.21:1 | 1.48:1 |
| Throw ratio (zoomed in) | 1.59:1 | 1.62:1 |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 2.68 m | 3.28 m |
| Smallest image size | 28″ | 30″ |
| Largest image size | 300″ | 300″ |
| Optical zoom | 1.3× | — |
| Lens shift | — | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 15 W | — |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | 2 | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Light source life | 30,000 h | 30,000 h |
| Light source life (eco mode) | — | 20,000 h |
| Design & noise | ||
| Fan noise | 33 dB | 32 dB |
| Fan noise (eco mode) | 28 dB | 27 dB |
| Weight | 3.4 kg | 3 kg |
| Width | 238 mm | 280 mm |
| Height | 130 mm | 129 mm |
| Depth | 215 mm | 216 mm |
| Colours | Black | White |
