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- M311 vs X139Wi
Acer M311 vs Acer X139Wi
What M311 does better (1) and where X139Wi wins (1) — every spec side by side.
Dimensions
Size comparison
M311X139Wi
| M311 | X139Wi | Difference | |
|---|---|---|---|
| Height | 114 mm | 114 mm | = |
| Width | 313 mm | 313 mm | = |
| Depth | 240 mm | 240 mm | = |
| Weight | 2.7 kg | 2.8 kg | −0.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is M311 better than X139Wi?
- Weight2.7 kg vs 2.8 kg+4%
Why is X139Wi better than M311?
- Brightness (ANSI / ISO lumens)4,500 lm vs 5,000 lm+11%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1280 × 800 (WXGA) | — |
| Native panel resolution | 1280 × 800 (WXGA) | — |
| Display technology | DLP | DLP |
| Light source | Lamp | Lamp |
| Brightness (ANSI / ISO lumens) | 4,500 lm | 5,000 lm |
| Contrast ratio (dynamic / claimed) | 20,000:1 | — |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | 120 Hz | — |
| Lens & placement | ||
| Throw ratio | 1.49:1 | 1.49:1 |
| Throw ratio (zoomed in) | 1.67:1 | 1.67:1 |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 3.3 m | 3.3 m |
| Smallest image size | 30″ | — |
| Largest image size | 300″ | — |
| Optical zoom | 1.12× | 1.12× |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | Yes |
| Sound | ||
| Built-in speakers (total output) | 10 W | — |
| Smart & streaming | ||
| Wi-Fi | Yes | Yes |
| Connectivity | ||
| HDMI inputs | 1 | 1 |
| USB port | Yes | — |
| Ethernet (LAN) | No | — |
| VGA input | Yes | Yes |
| Audio output | Yes | — |
| Battery, power & lifetime | ||
| Light source life | 6,000 h | — |
| Light source life (eco mode) | 10,000 h | — |
| Design & noise | ||
| Fan noise | 27 dB | 27 dB |
| Fan noise (eco mode) | 24 dB | — |
| Weight | 2.7 kg | 2.8 kg |
| Width | 313 mm | 313 mm |
| Height | 114 mm | 114 mm |
| Depth | 240 mm | 240 mm |
| Colours | White | — |
