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- Photon Beam PK53ST 4K vs LX720-4K
Optoma Photon Beam PK53ST 4K vs ViewSonic LX720-4K
What Photon Beam PK53ST 4K does better (2) and where LX720-4K wins (1) — every spec side by side.
vs
8.5Picture8.0
Why is Photon Beam PK53ST 4K better than LX720-4K?
- Brightness (ANSI / ISO lumens)3,800 lm vs 3,500 lm+9%
- Contrast ratio (dynamic / claimed)500,000:1 vs 300,000:1+67%
Why is LX720-4K better than Photon Beam PK53ST 4K?
- Light source life3,800 h vs 20,000 h5.3×
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 3840 × 2160 (4K UHD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | 4K by pixel shifting | 4K by pixel shifting |
| Display technology | DLP | DLP |
| Light source | — | Laser |
| Brightness (ANSI / ISO lumens) | 3,800 lm | 3,500 lm |
| Contrast ratio (dynamic / claimed) | 500,000:1 | 300,000:1 |
| Lens & placement | ||
| Largest image size | — | 300″ |
| Keystone correction | — | Yes |
| Automatic keystone correction | — | No |
| Sound | ||
| Built-in speakers (total output) | — | 10 W |
| Smart & streaming | ||
| Wi-Fi | — | Yes |
| Bluetooth | — | Yes |
| Internal storage | — | 8 GB |
| Connectivity | ||
| HDMI inputs | — | 2 |
| USB port | — | Yes |
| Ethernet (LAN) | — | No |
| 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) | — | 26 dB |
| Weight | — | 3.5 kg |
| Width | — | 312 mm |
| Height | — | 104 mm |
| Depth | — | 234 mm |
