13.9 in 5.31 in  | 15.43 in 4.65 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 BenQ TK800 |  Optoma UHD51 | |
|---|---|---|
| Projector type | DLP | DLP |
| BenQ TK800 | Optoma UHD51 | |
|---|---|---|
| Serial interface type | RS-232 | RS-232 |
| DVI in | no | no |
| HDMI | yes | yes |
| HDMI version | 1.4a/2.0 | 2.0 |
| Number of HDMI inputs | 2 | 2 |
| HDMI connector type | Full-size | Full-size |
| HDCP | yes | yes |
| USB | yes | yes |
| USB 2.0 | 1 | 2 |
| VGA in | yes | yes |
| Number of VGA (D-Sub) ports | 1 | 1 |
| 12V trigger | yes | yes |
| AC (power) input | yes | yes |
| BenQ TK800 | Optoma UHD51 | |
|---|---|---|
| Design type | Desktop projector | Desktop projector |
| Colour of product |
| Black |
| Built-in display | no | no |
| BenQ TK800 | Optoma UHD51 | |
|---|---|---|
| Noise level | < 33 | < 25 |
| Operating relative humidity (H-H) | 10 - 90 | 0 - 85 |
| BenQ TK800 | Optoma UHD51 | |
|---|---|---|
| Width | 13.9 in | 15.43 in |
| Height | 5.31 in | 4.65 in |
| Depth | 10.71 in | 11.06 in |
| Weight | 9.26 lb | 11.51 lb |
| BenQ TK800 | Optoma UHD51 | |
|---|---|---|
| Focal length range (f-f) | 15.57 - 18.67 | 12.81 - 16.74 |
| Throw ratio | 1.47 - 1.76 | 1.21 - 1.59 |
| Zoom ratio | 1.2 x | 1.3 x |
| Offset | 110.0 % | 105.0 % |
| BenQ TK800 | Optoma UHD51 | |
|---|---|---|
| Lamp life max (normal) | 4000.0 h | 4000.0 h |
| Lamp life max (eco) | 15000.0 h | 10000.0 h |
| Number of lamps | 1 | 1 |
| Bulb power | 240.0 W | 240.0 W |
| BenQ TK800 | Optoma UHD51 | |
|---|---|---|
| Screen size compatibility | 30 - 300 | 34.1 - 302.4 |
| Resolution | 3840 x 2160 px | 3840 x 2160 px |
| Supported graphics resolutions |
|
|
| Native aspect ratio | 16:9 | 16:9 |
| Aspect ratio | 16:9 |
|
| Brightness (max) | 3000.0 lm | 2400.0 lm |
| Contrast ratio | 10000:1 | 500000:1 |
| Video formats supported |
|
|
| BenQ TK800 | Optoma UHD51 | |
|---|---|---|
| Handheld remote control | yes | yes |
| Memory card reader | no | no |
| On Screen Display (OSD) | yes | yes |
| On Screen Display (OSD) languages |
|
|
| BenQ TK800 | Optoma UHD51 | |
|---|---|---|
| Ethernet connection | no | yes |
| Wireless network (Wi-Fi) | no | no |
| BenQ TK800 | Optoma UHD51 | |
|---|---|---|
| 3D support (3D-Ready) | yes | yes |
| HD ready | yes | yes |
| Full HD (HD ready 1080p) | yes | yes |
| HDR | yes | yes |
| BenQ TK800 | Optoma UHD51 | |
|---|---|---|
| Built-in speakers | yes | yes |
| Number of built-in speakers | 1 | 2 |
| RMS rated power | 5.0 W | 5.0 W |
| BenQ TK800 | Optoma UHD51 | |
|---|---|---|
| Power consumption (standby) | 0.5 W | 0.5 W |
| Pros | ||
|---|---|---|
| Cons |
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