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- EH-QS100 vs HZ45UST
Epson EH-QS100 vs Optoma HZ45UST
What EH-QS100 does better (5) and where HZ45UST wins (3) — every spec side by side.
Dimensions
Size comparison
EH-QS100HZ45UST
| EH-QS100 | HZ45UST | Difference | |
|---|---|---|---|
| Height | 156 mm | 124 mm | +32 mm |
| Width | 695 mm | 382 mm | +313 mm |
| Depth | 341 mm | 310 mm | +31 mm |
| Weight | 12 kg | 5.6 kg | +6.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is EH-QS100 better than HZ45UST?
- Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
- Brightness (ANSI / ISO lumens)4,500 lm vs 4,200 lm+7%
- HDR supportYes · HZ45UST: No
- Contrast ratio (dynamic / claimed)5,000,000:1 vs 3,000,000:1+67%
- Largest image size160″ vs 102″+57%
Why is HZ45UST better than EH-QS100?
- Weight12 kg vs 5.6 kg2.1×
- Audio outputNo · EH-QS100: Yes
- Fan noise34 dB vs 30 dB+13%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 1920 × 1080 (Full HD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | 4K by pixel shifting | — |
| Display technology | 3LCD | DLP |
| Light source | Laser | Laser |
| Brightness (ANSI / ISO lumens) | 4,500 lm | 4,200 lm |
| Contrast ratio (dynamic / claimed) | 5,000,000:1 | 3,000,000:1 |
| HDR support | Yes | No |
| HDR formats | HDR10 | — |
| 3D playback | — | Yes |
| Gaming | ||
| Maximum refresh rate | — | 120 Hz |
| Lens & placement | ||
| Throw ratio | 0.16:1 | 0.25:1 |
| Throw ratio (zoomed in) | 0.22:1 | — |
| Throw type | Ultra short throw (under 0.4:1) | Ultra short throw (under 0.4:1) |
| Distance for a 100″ 16:9 image | 0.35 m | 0.55 m |
| Smallest image size | 80″ | 87″ |
| Largest image size | 160″ | 102″ |
| Lens shift | None | None |
| Autofocus | No | — |
| Keystone correction | — | Yes |
| Automatic keystone correction | — | No |
| Sound | ||
| Built-in speakers (total output) | — | 10 W |
| Smart & streaming | ||
| Wi-Fi | — | Yes |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | — | 1.4 |
| USB port | Yes | Yes |
| Ethernet (LAN) | Yes | Yes |
| VGA input | No | Yes |
| Audio output | No | Yes |
| Battery, power & lifetime | ||
| Power consumption | 333 W | 330 W |
| Light source life | 20,000 h | 20,000 h |
| Light source life (eco mode) | 20,000 h | — |
| Design & noise | ||
| Fan noise | 34 dB | 30 dB |
| Fan noise (eco mode) | 20 dB | — |
| Weight | 12 kg | 5.6 kg |
| Width | 695 mm | 382 mm |
| Height | 156 mm | 124 mm |
| Depth | 341 mm | 310 mm |
| Colours | — | White |









