- Attenborough.film
- Compare
- UHZ35 vs LS740HD
Optoma UHZ35 vs ViewSonic LS740HD
What UHZ35 does better (4) and where LS740HD wins (4) — every spec side by side.
Dimensions
Size comparison
UHZ35LS740HD
| UHZ35 | LS740HD | Difference | |
|---|---|---|---|
| Height | 114 mm | 129 mm | −15 mm |
| Width | 274 mm | 286 mm | −12 mm |
| Depth | 216 mm | 216 mm | = |
| Weight | 4.2 kg | 3 kg | +1.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is UHZ35 better than LS740HD?
- Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
- Maximum refresh rate240 Hz vs 120 Hz2×
- Light source life30,000 h vs 20,000 h+50%
- Contrast ratio (dynamic / claimed)500,000:1 vs 300,000:1+67%
Why is LS740HD better than UHZ35?
- Brightness (ANSI / ISO lumens)3,500 lm vs 5,000 lm+43%
- Fan noise35 dB vs 32 dB+9%
- Weight4.2 kg vs 3 kg+40%
- Optical zoom1.6× vs 2×+25%
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 |
| Brightness (ANSI / ISO lumens) | 3,500 lm | 5,000 lm |
| Contrast ratio (dynamic / claimed) | 500,000:1 | 300,000:1 |
| HDR support | — | No |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | 240 Hz | 120 Hz |
| Lens & placement | ||
| Throw ratio | — | 1.13:1 |
| Throw ratio (zoomed in) | — | 1.47:1 |
| Throw type | — | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | — | 2.5 m |
| Smallest image size | — | 30″ |
| Largest image size | — | 300″ |
| Optical zoom | 1.6× | 2× |
| Lens shift | — | None |
| Autofocus | No | — |
| Keystone correction | — | Yes |
| Automatic keystone correction | — | No |
| Sound | ||
| Built-in speakers (total output) | 15 W | 15 W |
| Smart & streaming | ||
| Wi-Fi | — | Yes |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | 2 | 2 |
| USB port | No | Yes |
| Ethernet (LAN) | Yes | Yes |
| VGA input | No | No |
| Audio output | No | No |
| Battery, power & lifetime | ||
| Power consumption | — | 210 W |
| Light source life | 30,000 h | 20,000 h |
| Light source life (eco mode) | — | 30,000 h |
| Design & noise | ||
| Fan noise | 35 dB | 32 dB |
| Fan noise (eco mode) | 28 dB | 26 dB |
| Weight | 4.2 kg | 3 kg |
| Width | 274 mm | 286 mm |
| Height | 114 mm | 129 mm |
| Depth | 216 mm | 216 mm |
| Colours | White | White |
