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- GP520 vs UHZ55
BenQ GP520 vs Optoma UHZ55
What GP520 does better (7) and where UHZ55 wins (7) — every spec side by side.
Dimensions
Size comparison
GP520UHZ55
| GP520 | UHZ55 | Difference | |
|---|---|---|---|
| Height | 151 mm | 120 mm | +31 mm |
| Width | 241 mm | 337 mm | −96 mm |
| Depth | 225 mm | 265 mm | −40 mm |
| Weight | 3.7 kg | 4.8 kg | −1.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is GP520 better than UHZ55?
- Maximum refresh rate240 Hz vs 120 Hz2×
- Lens shiftVertical and horizontal vs None
- Automatic keystone correctionYes · UHZ55: No
- HDR supportYes · UHZ55: No
- Fan noise26 dB vs 29 dB+12%
- Weight3.7 kg vs 4.8 kg+30%
- Power consumption186 W vs 230 W+24%
Why is UHZ55 better than GP520?
- Brightness (ANSI / ISO lumens)2,600 lm vs 3,000 lm+15%
- Built-in speakers (total output)12 W vs 20 W+67%
- Light source life20,000 h vs 30,000 h+50%
- Contrast ratio (dynamic / claimed)200,000:1 vs 2,500,000:112.5×
- Ethernet (LAN)No · GP520: Yes
- Audio outputNo · GP520: Yes
- HDMI inputs2 vs 3+50%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 3840 × 2160 (4K UHD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | 4K by pixel shifting | 4K by pixel shifting |
| Display technology | DLP | DLP |
| Light source | LED | Laser |
| Brightness (ANSI / ISO lumens) | 2,600 lm | 3,000 lm |
| Contrast ratio (dynamic / claimed) | 200,000:1 | 2,500,000:1 |
| HDR support | Yes | No |
| HDR formats | HDR10+, HDR10, HLG | — |
| Colour gamut (Rec.709) | 98% | — |
| Colour gamut (DCI-P3) | 81% | — |
| 3D playback | — | Yes |
| Gaming | ||
| Input lag | 17.9 ms | — |
| Maximum refresh rate | 240 Hz | 120 Hz |
| Game / low-latency mode | Yes | Yes |
| VRR / ALLM | Yes | — |
| Lens & placement | ||
| Throw ratio | 1.2:1 | 1.21:1 |
| Throw ratio (zoomed in) | — | 1.59:1 |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 2.66 m | 2.68 m |
| Smallest image size | — | 35″ |
| Largest image size | — | 300″ |
| Optical zoom | — | 1.3× |
| Lens shift | Vertical and horizontal | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | No |
| Sound | ||
| Built-in speakers (total output) | 12 W | 20 W |
| Dolby Atmos | Yes | — |
| Smart & streaming | ||
| Smart platform | Google TV | — |
| Built-in smart platform | Yes | Yes |
| Netflix (officially licensed) | Yes | — |
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | — |
| AirPlay | Yes | — |
| Chromecast built-in | Yes | — |
| Voice assistant | Google Assistant | — |
| Connectivity | ||
| HDMI inputs | 2 | 3 |
| HDMI version | — | 2 |
| HDMI eARC | Yes | — |
| USB-C video input | Yes | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | Yes |
| VGA input | No | No |
| Audio output | No | Yes |
| Battery, power & lifetime | ||
| Power consumption | 186 W | 230 W |
| Light source life | 20,000 h | 30,000 h |
| Light source life (eco mode) | 30,000 h | — |
| Design & noise | ||
| Fan noise | 26 dB | 29 dB |
| Fan noise (eco mode) | — | 27 dB |
| Weight | 3.7 kg | 4.8 kg |
| Width | 241 mm | 337 mm |
| Height | 151 mm | 120 mm |
| Depth | 225 mm | 265 mm |
| Colours | Black | Black |
