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- HZ45UST vs UHZ65UST
Optoma HZ45UST vs Optoma UHZ65UST
What HZ45UST does better (3) and where UHZ65UST wins (6) — every spec side by side.
Dimensions
Size comparison
HZ45USTUHZ65UST
| HZ45UST | UHZ65UST | Difference | |
|---|---|---|---|
| Height | 124 mm | 130 mm | −6 mm |
| Width | 382 mm | 576 mm | −194 mm |
| Depth | 310 mm | 383 mm | −73 mm |
| Weight | 5.6 kg | 11 kg | −5.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is HZ45UST better than UHZ65UST?
- Brightness (ANSI / ISO lumens)4,200 lm vs 3,200 lm+31%
- Weight5.6 kg vs 11 kg+96%
- Contrast ratio (dynamic / claimed)3,000,000:1 vs 2,000,000:1+50%
Why is UHZ65UST better than HZ45UST?
- Resolution (on screen)1920 × 1080 (Full HD) vs 3840 × 2160 (4K UHD)
- Lens shiftNone vs Vertical
- Built-in speakers (total output)10 W vs 20 W2×
- HDR supportNo · HZ45UST: Yes
- Fan noise30 dB vs 26 dB+15%
- HDMI inputs2 vs 3+50%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1920 × 1080 (Full HD) | 3840 × 2160 (4K UHD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | — | 4K by pixel shifting |
| Display technology | DLP | DLP |
| Light source | Laser | Laser |
| Brightness (ANSI / ISO lumens) | 4,200 lm | 3,200 lm |
| Contrast ratio (dynamic / claimed) | 3,000,000:1 | 2,000,000:1 |
| HDR support | No | Yes |
| Motion interpolation (MEMC) | — | Yes |
| 3D playback | Yes | — |
| Gaming | ||
| Maximum refresh rate | 120 Hz | 120 Hz |
| Game / low-latency mode | — | Yes |
| Lens & placement | ||
| Throw ratio | 0.25:1 | 0.25:1 |
| Throw type | Ultra short throw (under 0.4:1) | Ultra short throw (under 0.4:1) |
| Distance for a 100″ 16:9 image | 0.55 m | 0.55 m |
| Smallest image size | 87″ | — |
| Largest image size | 102″ | 100″ |
| Optical zoom | — | 1.6× |
| Lens shift | None | Vertical |
| Keystone correction | Yes | — |
| Automatic keystone correction | No | — |
| Sound | ||
| Built-in speakers (total output) | 10 W | 20 W |
| Smart & streaming | ||
| Netflix (officially licensed) | — | Yes |
| Wi-Fi | Yes | — |
| Voice assistant | — | Google Assistant, Amazon Alexa |
| Connectivity | ||
| HDMI inputs | 2 | 3 |
| HDMI version | 1.4 | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | Yes | Yes |
| VGA input | Yes | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 330 W | — |
| Light source life | 20,000 h | 20,000 h |
| Design & noise | ||
| Fan noise | 30 dB | 26 dB |
| Weight | 5.6 kg | 11 kg |
| Width | 382 mm | 576 mm |
| Height | 124 mm | 130 mm |
| Depth | 310 mm | 383 mm |
| Colours | White | Black |
