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- 4K550ST vs UHZ65LV
Optoma 4K550ST vs Optoma UHZ65LV
What 4K550ST does better (3) and where UHZ65LV wins (4) — every spec side by side.
Dimensions
Size comparison
4K550STUHZ65LV
| 4K550ST | UHZ65LV | Difference | |
|---|---|---|---|
| Height | 129 mm | 141 mm | −12 mm |
| Width | 392 mm | 498 mm | −106 mm |
| Depth | 281 mm | 331 mm | −50 mm |
| Weight | 5.9 kg | 9.8 kg | −3.9 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is 4K550ST better than UHZ65LV?
- Built-in speakers (total output)10 W vs 8 W+25%
- Weight5.9 kg vs 9.8 kg+66%
- Power consumption335 W vs 368 W+10%
Why is UHZ65LV better than 4K550ST?
- Light source life3,000 h vs 20,000 h6.7×
- Brightness (ANSI / ISO lumens)4,500 lm vs 5,000 lm+11%
- Contrast ratio (dynamic / claimed)10,000:1 vs 2,000,000:1200×
- Fan noise32 dB vs 29 dB+10%
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) | 4,500 lm | 5,000 lm |
| Contrast ratio (dynamic / claimed) | 10,000:1 | 2,000,000:1 |
| HDR support | Yes | Yes |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | 120 Hz | 120 Hz |
| Game / low-latency mode | — | Yes |
| Lens & placement | ||
| Throw ratio | 0.78:1 | 1.39:1 |
| Throw ratio (zoomed in) | — | 2.22:1 |
| Throw type | Short throw (0.4–1.0:1) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 1.73 m | 3.08 m |
| Smallest image size | 29″ | 26″ |
| Largest image size | 300″ | 302″ |
| Optical zoom | — | 1.6× |
| Lens shift | Vertical | Vertical |
| Sound | ||
| Built-in speakers (total output) | 10 W | 8 W |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | Yes | Yes |
| VGA input | Yes | Yes |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 335 W | 368 W |
| Light source life | 3,000 h | 20,000 h |
| Light source life (eco mode) | 4,000 h | — |
| Design & noise | ||
| Fan noise | 32 dB | 29 dB |
| Weight | 5.9 kg | 9.8 kg |
| Width | 392 mm | 498 mm |
| Height | 129 mm | 141 mm |
| Depth | 281 mm | 331 mm |
| Colours | White | White |
