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- S1286H vs UHD42
Acer S1286H vs Optoma UHD42
What S1286H does better (6) and where UHD42 wins (5) — every spec side by side.
Why is S1286H better than UHD42?
- Brightness (ANSI / ISO lumens)3,500 lm vs 3,400 lm+3%
- Built-in speakers (total output)16 W vs 10 W+60%
- Light source life5,000 h vs 4,000 h+25%
- Native panel resolution1920 × 1200 (WUXGA) vs 1920 × 1080 (Full HD)
- Weight3.1 kg vs 3.9 kg+26%
- Power consumption270 W vs 305 W+13%
Why is UHD42 better than S1286H?
- Resolution (on screen)1920 × 1200 (WUXGA) vs 3840 × 2160 (4K UHD)
- Contrast ratio (dynamic / claimed)20,000:1 vs 500,000:125×
- Fan noise32 dB vs 26 dB+23%
- HDMI inputs1 vs 22×
- Audio outputNo · S1286H: Yes
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1920 × 1200 (WUXGA) | 3840 × 2160 (4K UHD) |
| Native panel resolution | 1920 × 1200 (WUXGA) | 1920 × 1080 (Full HD) |
| 4K method | — | 4K by pixel shifting |
| Display technology | DLP | DLP |
| Brightness (ANSI / ISO lumens) | 3,500 lm | 3,400 lm |
| Contrast ratio (dynamic / claimed) | 20,000:1 | 500,000:1 |
| HDR support | — | Yes |
| 3D playback | — | Yes |
| Gaming | ||
| Maximum refresh rate | — | 120 Hz |
| Lens & placement | ||
| Throw ratio | — | 1.21:1 |
| Throw ratio (zoomed in) | — | 1.59:1 |
| Throw type | — | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | — | 2.68 m |
| Smallest image size | — | 34″ |
| Largest image size | — | 302″ |
| Optical zoom | — | 1.3× |
| Lens shift | — | Vertical |
| Autofocus | No | — |
| Keystone correction | — | Yes |
| Automatic keystone correction | — | No |
| Sound | ||
| Built-in speakers (total output) | 16 W | 10 W |
| Connectivity | ||
| HDMI inputs | 1 | 2 |
| USB port | No | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | Yes |
| Audio output | No | Yes |
| Battery, power & lifetime | ||
| Power consumption | 270 W | 305 W |
| Light source life | 5,000 h | 4,000 h |
| Light source life (eco mode) | 6,000 h | 15,000 h |
| Design & noise | ||
| Fan noise | 32 dB | 26 dB |
| Fan noise (eco mode) | 24 dB | — |
| Weight | 3.1 kg | 3.9 kg |
| Width | — | 315 mm |
| Height | — | 118 mm |
| Depth | — | 270 mm |
| Colours | White | White |









