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- X1 vs LS901HD
Nebula X1 vs ViewSonic LS901HD
What X1 does better (3) and where LS901HD wins (4) — every spec side by side.
Why is X1 better than LS901HD?
- Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
- Audio outputYes · LS901HD: No
- Fan noise26 dB vs 31 dB+19%
Why is LS901HD better than X1?
- Brightness (ANSI / ISO lumens)3,500 lm vs 6,000 lm+71%
- Lens shiftNone vs Vertical
- Ethernet (LAN)No · X1: Yes
- Largest image size200″ vs 300″+50%
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) | 3,500 lm | 6,000 lm |
| Contrast ratio (dynamic / claimed) | 5,000:1 | — |
| HDR support | Yes | Yes |
| HDR formats | Dolby Vision | — |
| Dolby Vision | Yes | — |
| Gaming | ||
| Game / low-latency mode | Yes | — |
| Lens & placement | ||
| Throw ratio | 0.9:1 | 1.2:1 |
| Throw ratio (zoomed in) | 1.5:1 | — |
| Throw type | Short throw (0.4–1.0:1) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 1.99 m | 2.66 m |
| Smallest image size | 120″ | 30″ |
| Largest image size | 200″ | 300″ |
| Lens shift | None | Vertical |
| Autofocus | Yes | — |
| Keystone correction | Yes | — |
| Automatic keystone correction | Yes | — |
| Sound | ||
| Built-in speakers (total output) | 40 W | — |
| Smart & streaming | ||
| Smart platform | Google TV | — |
| Built-in smart platform | Yes | — |
| Netflix (officially licensed) | Yes | — |
| Wi-Fi | Yes | — |
| Bluetooth | Yes | — |
| Chromecast built-in | Yes | — |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | 2.1 | — |
| HDMI eARC | Yes | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | Yes |
| VGA input | No | No |
| Audio output | Yes | No |
| Battery, power & lifetime | ||
| Light source life | — | 6,000 h |
| Design & noise | ||
| Fan noise | 26 dB | 31 dB |
| Fan noise (eco mode) | — | 25 dB |
| Weight | 6.2 kg | — |
| Width | 186 mm | — |
| Height | 246 mm | — |
| Depth | 282 mm | — |
| Colours | Black | White |
