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- TH575i vs LSD400W
BenQ TH575i vs ViewSonic LSD400W
What TH575i does better (2) and where LSD400W wins (4) — every spec side by side.
Dimensions
Size comparison
TH575iLSD400W
| TH575i | LSD400W | Difference | |
|---|---|---|---|
| Height | 120 mm | 129 mm | −9 mm |
| Width | 296 mm | 286 mm | +10 mm |
| Depth | 237 mm | 216 mm | +21 mm |
| Weight | 2.3 kg | 3.1 kg | −0.8 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is TH575i better than LSD400W?
- Automatic keystone correctionYes · LSD400W: No
- Weight2.3 kg vs 3.1 kg+35%
Why is LSD400W better than TH575i?
- Light source life6,000 h vs 20,000 h3.3×
- Brightness (ANSI / ISO lumens)3,800 lm vs 4,000 lm+5%
- HDMI inputs1 vs 22×
- Optical zoom1.1× vs 2×+82%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| Display technology | DLP | DLP |
| Light source | Lamp | Laser |
| Brightness (ANSI / ISO lumens) | 3,800 lm | 4,000 lm |
| Native contrast ratio | 15,000:1 | — |
| Contrast ratio (dynamic / claimed) | — | 3,000,000:1 |
| Colour gamut (Rec.709) | 88% | — |
| Gaming | ||
| Input lag | 16.7 ms | — |
| Maximum refresh rate | 120 Hz | — |
| Lens & placement | ||
| Throw ratio | 1.49:1 | — |
| Throw ratio (zoomed in) | 1.64:1 | — |
| Throw type | Standard throw (1.0:1 and longer) | — |
| Distance for a 100″ 16:9 image | 3.3 m | — |
| Largest image size | — | 300″ |
| Optical zoom | 1.1× | 2× |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | No |
| Sound | ||
| Built-in speakers (total output) | 10 W | — |
| Smart & streaming | ||
| Smart platform | Google TV | — |
| Built-in smart platform | Yes | — |
| Netflix (officially licensed) | Yes | — |
| Chromecast built-in | Yes | — |
| Connectivity | ||
| HDMI inputs | 1 | 2 |
| HDMI version | 1.4 | 1.4 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 295 W | — |
| Light source life | 6,000 h | 20,000 h |
| Light source life (eco mode) | 10,000 h | 30,000 h |
| Design & noise | ||
| Fan noise | — | 30 dB |
| Fan noise (eco mode) | — | 25 dB |
| Weight | 2.3 kg | 3.1 kg |
| Width | 296 mm | 286 mm |
| Height | 120 mm | 129 mm |
| Depth | 237 mm | 216 mm |
| Colours | White | White |
