- Attenborough.film
- Compare
- HD35UST vs HZ45UST
Optoma HD35UST vs Optoma HZ45UST
What HD35UST does better (4) and where HZ45UST wins (4) — every spec side by side.
Dimensions
Size comparison
HD35USTHZ45UST
| HD35UST | HZ45UST | Difference | |
|---|---|---|---|
| Height | 112 mm | 124 mm | −12 mm |
| Width | 343 mm | 382 mm | −39 mm |
| Depth | 383 mm | 310 mm | +73 mm |
| Weight | 3.9 kg | 5.6 kg | −1.7 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is HD35UST better than HZ45UST?
- Built-in speakers (total output)16 W vs 10 W+60%
- Fan noise26 dB vs 30 dB+15%
- Weight3.9 kg vs 5.6 kg+44%
- Power consumption275 W vs 330 W+20%
Why is HZ45UST better than HD35UST?
- Light source life4,000 h vs 20,000 h5×
- Brightness (ANSI / ISO lumens)3,600 lm vs 4,200 lm+17%
- Contrast ratio (dynamic / claimed)30,000:1 vs 3,000,000:1100×
- Maximum refresh rate85 Hz vs 120 Hz+41%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| Display technology | DLP | DLP |
| Light source | — | Laser |
| Brightness (ANSI / ISO lumens) | 3,600 lm | 4,200 lm |
| Contrast ratio (dynamic / claimed) | 30,000:1 | 3,000,000:1 |
| HDR support | No | No |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | 85 Hz | 120 Hz |
| 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 | 80″ | 87″ |
| Largest image size | 100″ | 102″ |
| Lens shift | None | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 16 W | 10 W |
| Smart & streaming | ||
| Wi-Fi | Yes | Yes |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | 1.4 | 1.4 |
| USB port | Yes | Yes |
| Ethernet (LAN) | Yes | Yes |
| VGA input | Yes | Yes |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 275 W | 330 W |
| Light source life | 4,000 h | 20,000 h |
| Light source life (eco mode) | 10,000 h | — |
| Design & noise | ||
| Fan noise | 26 dB | 30 dB |
| Weight | 3.9 kg | 5.6 kg |
| Width | 343 mm | 382 mm |
| Height | 112 mm | 124 mm |
| Depth | 383 mm | 310 mm |
| Colours | White | White |
