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- LS740HD vs LS901HD
ViewSonic LS740HD vs ViewSonic LS901HD
What LS740HD does better (1) and where LS901HD wins (4) — every spec side by side.
Why is LS740HD better than LS901HD?
- Light source life20,000 h vs 6,000 h3.3×
Why is LS901HD better than LS740HD?
- Lens shiftNone vs Vertical
- Brightness (ANSI / ISO lumens)5,000 lm vs 6,000 lm+20%
- HDR supportNo · LS740HD: Yes
- Fan noise32 dB vs 31 dB+3%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| Display technology | DLP | DLP |
| Light source | Laser | Laser |
| Brightness (ANSI / ISO lumens) | 5,000 lm | 6,000 lm |
| Contrast ratio (dynamic / claimed) | 300,000:1 | — |
| HDR support | No | Yes |
| 3D playback | Yes | — |
| Gaming | ||
| Maximum refresh rate | 120 Hz | — |
| Lens & placement | ||
| Throw ratio | 1.13:1 | 1.2:1 |
| Throw ratio (zoomed in) | 1.47:1 | — |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 2.5 m | 2.66 m |
| Smallest image size | 30″ | 30″ |
| Largest image size | 300″ | 300″ |
| Optical zoom | 2× | — |
| Lens shift | None | Vertical |
| Keystone correction | Yes | — |
| Automatic keystone correction | No | — |
| Sound | ||
| Built-in speakers (total output) | 15 W | — |
| Smart & streaming | ||
| Wi-Fi | Yes | — |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | 2 | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | Yes | Yes |
| VGA input | No | No |
| Audio output | No | No |
| Battery, power & lifetime | ||
| Power consumption | 210 W | — |
| Light source life | 20,000 h | 6,000 h |
| Light source life (eco mode) | 30,000 h | — |
| Design & noise | ||
| Fan noise | 32 dB | 31 dB |
| Fan noise (eco mode) | 26 dB | 25 dB |
| Weight | 3 kg | — |
| Width | 286 mm | — |
| Height | 129 mm | — |
| Depth | 216 mm | — |
| Colours | White | White |
