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Editiorial reviews | ||||
User rating |
Screen size | 21.3 in | 18.5 in | 27.0 in | 31.5 in |
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Aspect ratio | 3:4 | 16:9 | 16:9 | 16:9 |
Brightness | N/A | 200.0 cd/m² | 450.0 cd/m² | 300.0 cd/m² |
Colour of product | Black | Black |
| Black |
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Panel design | Flat | Flat | Flat | Flat |
Built-in USB hub | yes | no | no | N/A |
Built-in camera | no | no | no | N/A |
Built-in speakers | N/A | N/A | no | yes |
Height adjustment | 3.54 in | N/A | 4.33 in | 4.72 in |
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Height with stand | 18.98 in | 13.61 in | 22.33 in | 18.04 in |
Depth (with stand) | 7.87 in | 6.18 in | 9.06 in | 9.32 in |
Width (with stand) | 14.21 in | 17.38 in | 24.14 in | 28.67 in |
Weight | 0.29 oz | 0.09 oz | 218.7 oz | 250.45 oz |
Height (without stand) | N/A | 10.94 in | 14.35 in | 16.72 in |
Depth (without stand) | N/A | 2.0 in | N/A | N/A |
Maximum resolution | 1200 x 1600 px | N/A | N/A | N/A |
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HD type | Not supported | WXGA | 4K Ultra HD | 4K Ultra HD |
Display number of colours | 16.7 million colours | 16.78 million colours | N/A | N/A |
Colour depth (per channel) | 10.0 bit | N/A | N/A | N/A |
Contrast ratio | 1400:1 | N/A | N/A | N/A |
Display technology | LCD | LED | LED | LED |
Backlight | LED | LED backlight | WLED | W-LED |
Panel type | IPS | TN | AH-IPS | VA |
Response time | 20.0 ms | 5.0 ms | 5.0 ms | 5.0 ms |
Viewing angle (horizontal) | 178.0 ° | 90.0 ° | 178.0 ° | 178.0 ° |
Viewing angle (vertical) | 178.0 ° | 65.0 ° | 178.0 ° | 178.0 ° |
Supported graphics resolutions | N/A |
| 3840x2160 | 3840x2160 |
Refresh rate | N/A | 60.0 Hz | 60.0 Hz | 60.0 Hz |
Colour gamut (Adobe RGB) | N/A | 72.0 % | N/A | 95.0 % |
Colour gamut (NTSC) | N/A | 72.0 % | N/A | N/A |
Dynamic contrast ratio | N/A | 8000000:1 | N/A | N/A |
Picture-in-Picture (PIP) | N/A | N/A | N/A | yes |
HDR | no | N/A | N/A | N/A |
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VESA mount | yes | yes | yes | yes |
Type of VESA mount | N/A | 100x100mm | 100x100mm | N/A |
3D support (3D-Ready) | N/A | N/A | no | no |
Power consumption (standby) | 1.0 W | 0.5 W | N/A | N/A |
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Power consumption (typical) | 38.0 W | 9.0 W | 32.0 W | 39.0 W |
Energy efficiency class | N/A | C | A | A |