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- LS901-4K vs X1-4KE Pro
ViewSonic LS901-4K vs ViewSonic X1-4KE Pro
What LS901-4K does better (4) and where X1-4KE Pro wins (1) — every spec side by side.
vs
9.6Picture9.2
8.4Setup & placement6.8
5.8Noise, lifetime & portability6.7
Why is LS901-4K better than X1-4KE Pro?
- Built-in speakers (total output)30 W vs 12 W2.5×
- Largest image size300″ vs 150″2×
- Ethernet (LAN)Yes · X1-4KE Pro: No
- Fan noise31 dB vs 33 dB+6%
Why is X1-4KE Pro better than LS901-4K?
- Light source life20,000 h vs 30,000 h+50%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 3840 × 2160 (4K UHD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | 4K by pixel shifting | 4K by pixel shifting |
| Display technology | DLP | DLP |
| Light source | Laser | LED |
| Brightness (ANSI / ISO lumens) | 5,500 lm | — |
| Contrast ratio (dynamic / claimed) | — | 3,000,000:1 |
| HDR support | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | — | 240 Hz |
| Game / low-latency mode | — | Yes |
| Lens & placement | ||
| Throw ratio | 1.2:1 | 1.15:1 |
| Throw ratio (zoomed in) | 2.04:1 | 1.5:1 |
| 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 | 2.55 m |
| Smallest image size | 30″ | 60″ |
| Largest image size | 300″ | 150″ |
| Optical zoom | 2× | 2× |
| Lens shift | Vertical | Vertical |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 30 W | 12 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 |
| Internal storage | — | 16 GB |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | — | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | Yes | No |
| VGA input | No | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | — | 236 W |
| Light source life | 20,000 h | 30,000 h |
| Design & noise | ||
| Fan noise | 31 dB | 33 dB |
| Fan noise (eco mode) | 25 dB | 29 dB |
| Weight | — | 3.6 kg |
| Width | — | 355 mm |
| Height | — | 121 mm |
| Depth | — | 244 mm |
| Colours | White | Black |
