- Attenborough.film
- Compare
- M311 vs IN1039
Acer M311 vs InFocus IN1039
What M311 does better (5) and where IN1039 wins (8) — every spec side by side.
Dimensions
Size comparison
M311IN1039
| M311 | IN1039 | Difference | |
|---|---|---|---|
| Height | 114 mm | 261 mm | −147 mm |
| Width | 313 mm | 345 mm | −32 mm |
| Depth | 240 mm | 99 mm | +141 mm |
| Weight | 2.7 kg | 3.3 kg | −0.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is M311 better than IN1039?
- Automatic keystone correctionYes · IN1039: No
- Brightness (ANSI / ISO lumens)4,500 lm vs 4,200 lm+7%
- Maximum refresh rate120 Hz vs 85 Hz+41%
- Fan noise27 dB vs 32 dB+19%
- Weight2.7 kg vs 3.3 kg+22%
Why is IN1039 better than M311?
- Resolution (on screen)1280 × 800 (WXGA) vs 1920 × 1200 (WUXGA)
- Light source life6,000 h vs 20,000 h3.3×
- Built-in speakers (total output)10 W vs 16 W+60%
- Contrast ratio (dynamic / claimed)20,000:1 vs 50,000:12.5×
- Optical zoom1.12× vs 4×3.6×
- Native panel resolution1280 × 800 (WXGA) vs 1920 × 1200 (WUXGA)
- HDMI inputs1 vs 22×
- Ethernet (LAN)No · M311: Yes
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1280 × 800 (WXGA) | 1920 × 1200 (WUXGA) |
| Native panel resolution | 1280 × 800 (WXGA) | 1920 × 1200 (WUXGA) |
| Display technology | DLP | DLP |
| Light source | Lamp | Lamp |
| Brightness (ANSI / ISO lumens) | 4,500 lm | 4,200 lm |
| Contrast ratio (dynamic / claimed) | 20,000:1 | 50,000:1 |
| HDR support | — | No |
| 3D playback | Yes | — |
| Gaming | ||
| Maximum refresh rate | 120 Hz | 85 Hz |
| Lens & placement | ||
| Throw ratio | 1.49:1 | 1.26:1 |
| Throw ratio (zoomed in) | 1.67:1 | 2.09:1 |
| 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 | 2.79 m |
| Smallest image size | 30″ | — |
| Largest image size | 300″ | — |
| Optical zoom | 1.12× | 4× |
| Lens shift | — | None |
| Autofocus | — | No |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | No |
| Sound | ||
| Built-in speakers (total output) | 10 W | 16 W |
| Smart & streaming | ||
| Wi-Fi | Yes | — |
| Connectivity | ||
| HDMI inputs | 1 | 2 |
| HDMI version | — | 1.4 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | Yes |
| VGA input | Yes | Yes |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | — | 340 W |
| Light source life | 6,000 h | 20,000 h |
| Light source life (eco mode) | 10,000 h | — |
| Design & noise | ||
| Fan noise | 27 dB | 32 dB |
| Fan noise (eco mode) | 24 dB | — |
| Weight | 2.7 kg | 3.3 kg |
| Width | 313 mm | 345 mm |
| Height | 114 mm | 261 mm |
| Depth | 240 mm | 99 mm |
| Colours | White | White |








