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- Sl2520N vs LSD400HD
Acer Sl2520N vs ViewSonic LSD400HD
What Sl2520N does better (3) and where LSD400HD wins (2) — every spec side by side.
Why is Sl2520N better than LSD400HD?
- Resolution (on screen)1920 × 1200 (WUXGA) vs 1920 × 1080 (Full HD)
- Native panel resolution1920 × 1200 (WUXGA) vs 1920 × 1080 (Full HD)
- Ethernet (LAN)Yes · LSD400HD: No
Why is LSD400HD better than Sl2520N?
- Brightness (ANSI / ISO lumens)4,000 lm vs 4,400 lm+10%
- Light source life20,000 h vs 30,000 h+50%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1920 × 1200 (WUXGA) | 1920 × 1080 (Full HD) |
| Native panel resolution | 1920 × 1200 (WUXGA) | 1920 × 1080 (Full HD) |
| Display technology | DLP | DLP |
| Light source | Laser | Laser |
| Brightness (ANSI / ISO lumens) | 4,000 lm | 4,400 lm |
| Contrast ratio (dynamic / claimed) | — | 3,000,000:1 |
| HDR support | No | — |
| Gaming | ||
| Maximum refresh rate | — | 120 Hz |
| Lens & placement | ||
| Throw ratio | 0.5:1 | 1.48:1 |
| Throw ratio (zoomed in) | — | 1.62:1 |
| Throw type | Short throw (0.4–1.0:1) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 1.11 m | 3.28 m |
| Smallest image size | — | 30″ |
| Largest image size | — | 300″ |
| Lens shift | None | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 15 W | — |
| 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 | ||
| Light source life | 20,000 h | 30,000 h |
| Light source life (eco mode) | — | 20,000 h |
| Design & noise | ||
| Fan noise | — | 32 dB |
| Fan noise (eco mode) | 29 dB | 27 dB |
| Weight | — | 3 kg |
| Width | — | 280 mm |
| Height | — | 129 mm |
| Depth | — | 216 mm |
| Colours | White | White |
