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- ApexVision L811 vs HD35UST
Acer ApexVision L811 vs Optoma HD35UST
What ApexVision L811 does better (7) and where HD35UST wins (3) — every spec side by side.
vs
8.0Picture4.4
6.2Setup & placement2.2
3.2Noise, lifetime & portability6.8
Dimensions
Size comparison
ApexVision L811HD35UST
| ApexVision L811 | HD35UST | Difference | |
|---|---|---|---|
| Height | 158 mm | 112 mm | +46 mm |
| Width | 429 mm | 343 mm | +86 mm |
| Depth | 389 mm | 383 mm | +6 mm |
| Weight | 7.7 kg | 3.9 kg | +3.8 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ApexVision L811 better than HD35UST?
- Resolution (on screen)3840 × 2160 (4K UHD) vs 1920 × 1080 (Full HD)
- Maximum refresh rate240 Hz vs 85 Hz2.8×
- Light source life20,000 h vs 4,000 h5×
- Contrast ratio (dynamic / claimed)2,000,000:1 vs 30,000:166.7×
- Built-in speakers (total output)20 W vs 16 W+25%
- HDR supportYes · HD35UST: No
- Largest image size150″ vs 100″+50%
Why is HD35UST better than ApexVision L811?
- Brightness (ANSI / ISO lumens)3,000 lm vs 3,600 lm+20%
- Weight7.7 kg vs 3.9 kg+97%
- Power consumption370 W vs 275 W+35%
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 | — |
| Brightness (ANSI / ISO lumens) | 3,000 lm | 3,600 lm |
| Contrast ratio (dynamic / claimed) | 2,000,000:1 | 30,000:1 |
| HDR support | Yes | No |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | 240 Hz | 85 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 | 60″ | 80″ |
| Largest image size | 150″ | 100″ |
| Lens shift | None | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 20 W | 16 W |
| Smart & streaming | ||
| Built-in smart platform | 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 | 370 W | 275 W |
| Light source life | 20,000 h | 4,000 h |
| Light source life (eco mode) | 30,000 h | 10,000 h |
| Design & noise | ||
| Fan noise | — | 26 dB |
| Weight | 7.7 kg | 3.9 kg |
| Width | 429 mm | 343 mm |
| Height | 158 mm | 112 mm |
| Depth | 389 mm | 383 mm |
| Colours | White | White |
