- Attenborough.film
- Compare
- TK800 vs 4K550ST
BenQ TK800 vs Optoma 4K550ST
What TK800 does better (2) and where 4K550ST wins (6) — every spec side by side.
Dimensions
Size comparison
TK8004K550ST
| TK800 | 4K550ST | Difference | |
|---|---|---|---|
| Height | 135 mm | 129 mm | +6 mm |
| Width | 353 mm | 392 mm | −39 mm |
| Depth | 272 mm | 281 mm | −9 mm |
| Weight | 4.2 kg | 5.9 kg | −1.7 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is TK800 better than 4K550ST?
- Light source life4,000 h vs 3,000 h+33%
- Weight4.2 kg vs 5.9 kg+40%
Why is 4K550ST better than TK800?
- Brightness (ANSI / ISO lumens)3,000 lm vs 4,500 lm+50%
- Lens shiftNone vs Vertical
- Built-in speakers (total output)5 W vs 10 W2×
- Ethernet (LAN)No · TK800: Yes
- Fan noise33 dB vs 32 dB+3%
- Power consumption385 W vs 335 W+15%
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 |
| Brightness (ANSI / ISO lumens) | 3,000 lm | 4,500 lm |
| Contrast ratio (dynamic / claimed) | 10,000:1 | 10,000:1 |
| HDR support | Yes | Yes |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | 120 Hz | 120 Hz |
| Game / low-latency mode | Yes | — |
| Lens & placement | ||
| Throw ratio | 1.47:1 | 0.78:1 |
| Throw ratio (zoomed in) | 1.76:1 | — |
| Throw type | Standard throw (1.0:1 and longer) | Short throw (0.4–1.0:1) |
| Distance for a 100″ 16:9 image | 3.25 m | 1.73 m |
| Smallest image size | 60″ | 29″ |
| Largest image size | 300″ | 300″ |
| Optical zoom | 1.2× | — |
| Lens shift | None | Vertical |
| Keystone correction | Yes | — |
| Automatic keystone correction | No | — |
| Sound | ||
| Built-in speakers (total output) | 5 W | 10 W |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | 2 | — |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | Yes |
| VGA input | Yes | Yes |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 385 W | 335 W |
| Light source life | 4,000 h | 3,000 h |
| Light source life (eco mode) | 10,000 h | 4,000 h |
| Design & noise | ||
| Fan noise | 33 dB | 32 dB |
| Fan noise (eco mode) | 29 dB | — |
| Weight | 4.2 kg | 5.9 kg |
| Width | 353 mm | 392 mm |
| Height | 135 mm | 129 mm |
| Depth | 272 mm | 281 mm |
| Colours | Blue, White | White |
