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- UHZ66 vs UHZ78LV
Optoma UHZ66 vs Optoma UHZ78LV
What UHZ66 does better (3) and where UHZ78LV wins (4) — every spec side by side.
Dimensions
Size comparison
UHZ66UHZ78LV
| UHZ66 | UHZ78LV | Difference | |
|---|---|---|---|
| Height | 114 mm | 171 mm | −57 mm |
| Width | 274 mm | 498 mm | −224 mm |
| Depth | 216 mm | 331 mm | −115 mm |
| Weight | 3 kg | 11.5 kg | −8.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is UHZ66 better than UHZ78LV?
- Maximum refresh rate240 Hz vs 85 Hz2.8×
- Weight3 kg vs 11.5 kg3.8×
- Audio outputYes · UHZ78LV: No
Why is UHZ78LV better than UHZ66?
- Brightness (ANSI / ISO lumens)4,000 lm vs 5,000 lm+25%
- Fan noise30 dB vs 28 dB+7%
- HDMI inputs2 vs 3+50%
- HDMI version2 vs 2.1+5%
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 | Laser |
| Brightness (ANSI / ISO lumens) | 4,000 lm | 5,000 lm |
| Contrast ratio (dynamic / claimed) | 500,000:1 | — |
| HDR support | Yes | Yes |
| HDR formats | — | HDR10+, Dolby Vision |
| Dolby Vision | — | Yes |
| 3D playback | — | Yes |
| Gaming | ||
| Maximum refresh rate | 240 Hz | 85 Hz |
| Game / low-latency mode | Yes | — |
| Lens & placement | ||
| Throw ratio | 1.4:1 | — |
| Throw ratio (zoomed in) | 2.24:1 | — |
| Throw type | Standard throw (1.0:1 and longer) | — |
| Distance for a 100″ 16:9 image | 3.1 m | — |
| Smallest image size | 26″ | — |
| Largest image size | 303″ | 300″ |
| Optical zoom | 1.6× | 1.6× |
| Lens shift | None | — |
| Keystone correction | Yes | — |
| Automatic keystone correction | No | — |
| Sound | ||
| Built-in speakers (total output) | 15 W | — |
| Connectivity | ||
| HDMI inputs | 2 | 3 |
| HDMI version | 2 | 2.1 |
| HDMI eARC | Yes | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | Yes | Yes |
| VGA input | No | No |
| Audio output | Yes | No |
| Battery, power & lifetime | ||
| Power consumption | 185 W | — |
| Light source life | 30,000 h | 30,000 h |
| Design & noise | ||
| Fan noise | 30 dB | 28 dB |
| Fan noise (eco mode) | 28 dB | 25 dB |
| Weight | 3 kg | 11.5 kg |
| Width | 274 mm | 498 mm |
| Height | 114 mm | 171 mm |
| Depth | 216 mm | 331 mm |
| Colours | White | Black |
