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- LS901-4K vs LS901HD
ViewSonic LS901-4K vs ViewSonic LS901HD
What LS901-4K does better (3) and where LS901HD wins (1) — every spec side by side.
Why is LS901-4K better than LS901HD?
- Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
- Light source life20,000 h vs 6,000 h3.3×
- Audio outputYes · LS901HD: No
Why is LS901HD better than LS901-4K?
- Brightness (ANSI / ISO lumens)5,500 lm vs 6,000 lm+9%
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) | 5,500 lm | 6,000 lm |
| HDR support | Yes | Yes |
| Lens & placement | ||
| Throw ratio | 1.2:1 | 1.2:1 |
| Throw ratio (zoomed in) | 2.04:1 | — |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 2.66 m | 2.66 m |
| Smallest image size | 30″ | 30″ |
| Largest image size | 300″ | 300″ |
| Optical zoom | 2× | — |
| Lens shift | Vertical | Vertical |
| Keystone correction | Yes | — |
| Automatic keystone correction | No | — |
| Sound | ||
| Built-in speakers (total output) | 30 W | — |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | Yes | Yes |
| VGA input | No | No |
| Audio output | Yes | No |
| Battery, power & lifetime | ||
| Light source life | 20,000 h | 6,000 h |
| Design & noise | ||
| Fan noise | 31 dB | 31 dB |
| Fan noise (eco mode) | 25 dB | 25 dB |
| Colours | White | White |
