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- UZ38X vs LSD300W-ST
Optoma UZ38X vs ViewSonic LSD300W-ST
What UZ38X does better (4) and where LSD300W-ST wins (5) — every spec side by side.
vs
8.6Picture3.9
6.4Noise, lifetime & portability8.8
Dimensions
Size comparison
UZ38XLSD300W-ST
| UZ38X | LSD300W-ST | Difference | |
|---|---|---|---|
| Height | 130 mm | 115 mm | +15 mm |
| Width | 238 mm | 294 mm | −56 mm |
| Depth | 215 mm | 237 mm | −22 mm |
| Weight | 3.4 kg | 2.8 kg | +0.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is UZ38X better than LSD300W-ST?
- Resolution (on screen)3840 × 2160 (4K UHD) vs 1280 × 800 (WXGA)
- Brightness (ANSI / ISO lumens)3,800 lm vs 3,300 lm+15%
- Native panel resolution1920 × 1080 (Full HD) vs 1280 × 800 (WXGA)
- HDMI inputs2 vs 12×
Why is LSD300W-ST better than UZ38X?
- Light source life30,000 h vs 60,000 h2×
- Contrast ratio (dynamic / claimed)1,500,000:1 vs 3,000,000:12×
- Ethernet (LAN)No · UZ38X: Yes
- Fan noise33 dB vs 32 dB+3%
- Weight3.4 kg vs 2.85 kg+19%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 1280 × 800 (WXGA) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1280 × 800 (WXGA) |
| 4K method | 4K by pixel shifting | — |
| Display technology | DLP | DLP |
| Light source | Laser | LED |
| Brightness (ANSI / ISO lumens) | 3,800 lm | 3,300 lm |
| Contrast ratio (dynamic / claimed) | 1,500,000:1 | 3,000,000:1 |
| Lens & placement | ||
| Throw ratio | 1.21:1 | 0.49:1 |
| Throw ratio (zoomed in) | 1.59:1 | — |
| Throw type | Standard throw (1.0:1 and longer) | Short throw (0.4–1.0:1) |
| Distance for a 100″ 16:9 image | 2.68 m | 1.08 m |
| Smallest image size | 28″ | — |
| Largest image size | 300″ | — |
| Optical zoom | 1.3× | — |
| Keystone correction | Yes | — |
| Automatic keystone correction | No | — |
| Sound | ||
| Built-in speakers (total output) | 15 W | — |
| Connectivity | ||
| HDMI inputs | 2 | 1 |
| HDMI version | 2 | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | Yes |
| VGA input | No | Yes |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Light source life | 30,000 h | 60,000 h |
| Design & noise | ||
| Fan noise | 33 dB | 32 dB |
| Fan noise (eco mode) | 28 dB | 27 dB |
| Weight | 3.4 kg | 2.85 kg |
| Width | 238 mm | 294 mm |
| Height | 130 mm | 115 mm |
| Depth | 215 mm | 237 mm |
| Colours | Black | — |
