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- Photon Beam PK53ST 4K vs LSD400HD-ST
Optoma Photon Beam PK53ST 4K vs ViewSonic LSD400HD-ST
What Photon Beam PK53ST 4K does better (2) and where LSD400HD-ST wins (2) — every spec side by side.
vs
8.5Picture6.1
Why is Photon Beam PK53ST 4K better than LSD400HD-ST?
- Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
- Contrast ratio (dynamic / claimed)500,000:1 vs 300,000:1+67%
Why is LSD400HD-ST better than Photon Beam PK53ST 4K?
- Light source life3,800 h vs 20,000 h5.3×
- Brightness (ANSI / ISO lumens)3,800 lm vs 4,000 lm+5%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 1920 × 1080 (Full HD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | 4K by pixel shifting | — |
| Display technology | DLP | DLP |
| Light source | — | Laser |
| Brightness (ANSI / ISO lumens) | 3,800 lm | 4,000 lm |
| Contrast ratio (dynamic / claimed) | 500,000:1 | 300,000:1 |
| Lens & placement | ||
| Largest image size | — | 300″ |
| Keystone correction | — | Yes |
| Automatic keystone correction | — | No |
| Connectivity | ||
| HDMI inputs | — | 2 |
| USB port | — | Yes |
| Ethernet (LAN) | — | Yes |
| VGA input | — | No |
| Audio output | — | Yes |
| Battery, power & lifetime | ||
| Light source life | 3,800 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 |
