  |  |  | |
| Available colors | |||
| Editiorial reviews | |||
| User rating |
| Screen size | 27.0 in | 28.0 in | 27.0 in |
|---|---|---|---|
| Brightness | 350.0 cd/m² | 370.0 cd/m² | 350.0 cd/m² |
| Aspect ratio | 16:9 | 16:9 | 16:9 |
| Colour of product |
| Black,Metallic | Black |
|---|---|---|---|
| Panel design | Flat | Flat | Flat |
| Built-in USB hub | yes | no | yes |
| Touchscreen | no | no | no |
| Built-in camera | no | no | no |
| Screen surface | Matte | Matte | Matte |
| Built-in speakers | no | no | no |
| Height adjustment | 5.12 in | N/A | 5.12 in |
|---|---|---|---|
| Height (min-max) | 410.2 - 540.2 | < 468.5 | < 540.4 |
| Height (without stand) | 14.0 in | 15.01 in | 13.89 in |
| Height with stand | 19.11 in | 18.44 in | 21.28 in |
| Depth (with stand) | 1.9 in | 7.37 in | 8.46 in |
| Depth (without stand) | 1.9 in | 2.89 in | 2.05 in |
| Width (with stand) | 24.07 in | 26.02 in | 24.13 in |
| Weight (without stand) | 9.92 lb | 10.38 lb | 9.68 lb |
| Weight | 0.26 oz | 0.19 oz | 242.68 oz |
| Analogue 3.5mm input | 0 | 0 | N/A |
|---|---|---|---|
| Number of USB 2.0 port | 0 | N/A | N/A |
| Number of USB 3.0 ports | 5 | N/A | 4 |
| USB connectors (total) | 5 | N/A | 5 |
| Component input (YPbPr/YCbCr) | no | no | N/A |
| Number of component inputs | 0 | 0 | N/A |
| Composite input | no | no | N/A |
| Number of composite inputs | 0 | 0 | N/A |
| DisplayPort | yes | yes | yes |
| DVI Port | no | no | yes |
| HDMI | yes | yes | yes |
| HDMI ports quantity | 1 | 2 | 2 |
| Number of HDMI inputs | 1 | 2 | 2 |
| HDMI version | 1.4 | 2.0 | 1.4 |
| Headphone output | no | yes | yes |
| S-video input | no | no | N/A |
| Number of s-video inputs | 0 | 0 | N/A |
| Thunderbolt | no | no | N/A |
| USB for video | no | no | N/A |
| VGA in | no | no | no |
| Number of DisplayPort inputs | 2 | 1 | 1 |
| Number of DisplayPort outputs | 1 | 0 | 1 |
| DisplayPort version | 1.2a | 1.2 | 1.2a |
| Type of DisplayPort connector | Standard | Standard | Standard |
| MHL | yes | N/A | N/A |
| Headphone outputs quantity | N/A | 1 | N/A |
| Maximum resolution | 2560 x 1440 px | 3840 x 2160 px | 2560 x 1440 px |
|---|---|---|---|
| Supported graphics resolutions | 2560 x 1440 | 3840 x 2160 | N/A |
| Refresh rate | 60.0 Hz | 60.0 Hz | 60.0 Hz |
| HD type | Wide Quad HD | 4K Ultra HD | Wide Quad HD |
| Display number of colours | 16.78 million colours | 1.07 billion colours | 16.78 million colours |
| Colour depth (per channel) | 8.0 bit | 10.0 bit | 14.0 bit |
| Colour gamut (Adobe RGB) | 99.0 % | 72.0 % | N/A |
| Colour gamut (NTSC) | 72.0 % | 72.0 % | N/A |
| Contrast ratio | 1000:1 | 1000:1 | 1000:1 |
| Display technology | LCD | LED | LED |
| Backlight | LED | LED backlight | LED backlight |
| Panel type | IPS | TN | IPS |
| Response time (GtG) | 8.0 ms | 1.0 ms | 5.0 ms |
| Response time | 8.0 ms | 1.0 ms | 14.0 ms |
| Image delay | < 25 | N/A | N/A |
| Picture-in-Picture (PIP) | no | yes | yes |
| Pixel size | 0.01 in | 0.01 in | 0.01 in |
| Viewing angle (horizontal) | 178.0 ° | 170.0 ° | 178.0 ° |
| Viewing angle (vertical) | 178.0 ° | 160.0 ° | 178.0 ° |
| Dynamic contrast ratio | N/A | 10000:1 | 20000000:1 |
| Response time (BtW) | N/A | 1.0 ms | 5.0 ms |
| Ascendable and submersible | yes | no | yes |
|---|---|---|---|
| Pivot function | yes | no | yes |
| Swivel | yes | no | yes |
| Tiltable | yes | yes | yes |
| Memory card reader | no | no | N/A |
| Cable lock slot | yes | no | yes |
| Plug and Play | yes | N/A | N/A |
| Flicker free | N/A | yes | yes |
| 3D support (3D-Ready) | no | no | N/A |
|---|---|---|---|
| Adaptive synchronization | no | yes | N/A |
| HDR | no | no | N/A |
| VESA mount | yes | yes | yes |
| Type of VESA mount | 100x100mm | 75x75mm | 100x100mm |
| Sync technology | N/A | AMD Freesync | N/A |
| EnergyStar | yes | yes | yes |
|---|---|---|---|
| EPEAT | Gold | N/A | Bronze |
| TCO-labelling | TCO Displays 7.0 | N/A | N/A |
| Energy efficiency class | A | G | E |
|---|---|---|---|
| Connecting 9V/12V/14V | None | None | N/A |
| Operational power consumption | 23.7 - 74 | < 29.6 | 22 - 32 |
| Power consumption (standby) | 0.5 W | 0.3 W | 0.3 W |
| Power consumption (typical) | 26.0 W | 38.0 W | 32.0 W |
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