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- HU85LS vs HZ45UST
LG HU85LS vs Optoma HZ45UST
What HU85LS does better (4) and where HZ45UST wins (4) — every spec side by side.
Dimensions
Size comparison
HU85LSHZ45UST
| HU85LS | HZ45UST | Difference | |
|---|---|---|---|
| Height | 347 mm | 124 mm | +223 mm |
| Width | 680 mm | 382 mm | +298 mm |
| Depth | 128 mm | 310 mm | −182 mm |
| Weight | 12.2 kg | 5.6 kg | +6.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is HU85LS better than HZ45UST?
- Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
- Automatic keystone correctionYes · HZ45UST: No
- HDR supportYes · HZ45UST: No
- Largest image size120″ vs 102″+18%
Why is HZ45UST better than HU85LS?
- Brightness (ANSI / ISO lumens)2,700 lm vs 4,200 lm+56%
- Weight12.2 kg vs 5.6 kg2.2×
- Contrast ratio (dynamic / claimed)2,000,000:1 vs 3,000,000:1+50%
- Power consumption350 W vs 330 W+6%
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 | DLP | DLP |
| Light source | Laser | Laser |
| Brightness (ANSI / ISO lumens) | 2,700 lm | 4,200 lm |
| Contrast ratio (dynamic / claimed) | 2,000,000:1 | 3,000,000:1 |
| HDR support | Yes | No |
| HDR formats | HDR10 | — |
| Motion interpolation (MEMC) | Yes | — |
| 3D playback | — | Yes |
| Gaming | ||
| Maximum refresh rate | — | 120 Hz |
| Lens & placement | ||
| Throw ratio | 0.19:1 | 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 | 0.42 m | 0.55 m |
| Smallest image size | 90″ | 87″ |
| Largest image size | 120″ | 102″ |
| Lens shift | None | None |
| Autofocus | Yes | — |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | No |
| Sound | ||
| Built-in speakers (total output) | 10 W | 10 W |
| Smart & streaming | ||
| Smart platform | webOS (LG) | — |
| Built-in smart platform | Yes | — |
| Netflix (officially licensed) | Yes | — |
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | — |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | — | 1.4 |
| USB port | Yes | Yes |
| Ethernet (LAN) | Yes | Yes |
| VGA input | No | Yes |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 350 W | 330 W |
| Light source life | 20,000 h | 20,000 h |
| Design & noise | ||
| Fan noise | 30 dB | 30 dB |
| Fan noise (eco mode) | 26 dB | — |
| Weight | 12.2 kg | 5.6 kg |
| Width | 680 mm | 382 mm |
| Height | 347 mm | 124 mm |
| Depth | 128 mm | 310 mm |
| Colours | White | White |







