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- QT12 vs LSD400HD-ST
Acer QT12 vs ViewSonic LSD400HD-ST
What QT12 does better (1) and where LSD400HD-ST wins (6) — every spec side by side.
vs
6.8Picture6.1
Why is QT12 better than LSD400HD-ST?
- Brightness (ANSI / ISO lumens)6,500 lm vs 4,000 lm+62%
Why is LSD400HD-ST better than QT12?
- Resolution (on screen)1280 × 720 (HD) vs 1920 × 1080 (Full HD)
- Light source life6,500 h vs 20,000 h3.1×
- Native panel resolution1280 × 720 (HD) vs 1920 × 1080 (Full HD)
- HDMI inputs1 vs 22×
- Ethernet (LAN)No · QT12: Yes
- Audio outputNo · QT12: Yes
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1280 × 720 (HD) | 1920 × 1080 (Full HD) |
| Native panel resolution | 1280 × 720 (HD) | 1920 × 1080 (Full HD) |
| Display technology | LCD (single panel) | DLP |
| Light source | LED | Laser |
| Brightness (ANSI / ISO lumens) | 6,500 lm | 4,000 lm |
| Contrast ratio (dynamic / claimed) | — | 300,000:1 |
| Lens & placement | ||
| Largest image size | — | 300″ |
| Keystone correction | — | Yes |
| Automatic keystone correction | — | No |
| Connectivity | ||
| HDMI inputs | 1 | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | Yes |
| VGA input | No | No |
| Audio output | No | Yes |
| Battery, power & lifetime | ||
| Light source life | 6,500 h | 20,000 h |
| Light source life (eco mode) | — | 30,000 h |
| Design & noise | ||
| Fan noise | — | 32 dB |
| Fan noise (eco mode) | — | 27 dB |
| Weight | — | 3.1 kg |
| Width | — | 286 mm |
| Height | — | 129 mm |
| Depth | — | 216 mm |
| Colours | White | White |
