  |  |  | |
| Available colors | |||
| Editiorial reviews | |||
| User rating |
| Screen size | 28.0 in | 28.0 in | 27.0 in |
|---|---|---|---|
| Brightness | 300.0 cd/m² | 330.0 cd/m² | 450.0 cd/m² |
| Aspect ratio | 16:9 | 16:9 | 16:9 |
| Colour of product | Black | Black |
|
|---|---|---|---|
| Panel design | Flat | Flat | Flat |
| Built-in USB hub | no | yes | no |
| Built-in camera | no | no | no |
| Built-in speakers | yes | yes | no |
| Touchscreen | N/A | no | N/A |
| Screen surface | N/A | Matte | N/A |
| Height adjustment | 5.91 in | 5.91 in | 4.33 in |
|---|---|---|---|
| Height (without stand) | 15.04 in | 14.99 in | 14.35 in |
| Height with stand | 21.71 in | 22.28 in | 22.33 in |
| Depth (with stand) | 2.56 in | 9.19 in | 9.06 in |
| Width (with stand) | 25.94 in | 25.99 in | 24.14 in |
| Weight | 0.28 oz | 282.19 oz | 218.7 oz |
| Height (min-max) | N/A | 416 - 566 | N/A |
| Depth (without stand) | N/A | 2.65 in | N/A |
| Weight (without stand) | N/A | 17.64 lb | N/A |
| DVI Port | yes | no | no |
|---|---|---|---|
| HDMI ports quantity | 1 | 3 | 2 |
| Analogue 3.5mm input | N/A | 1 | N/A |
| Number of USB 2.0 port | N/A | 0 | N/A |
| Number of USB 3.0 ports | N/A | 2 | N/A |
| USB connectors (total) | N/A | 2 | N/A |
| Component input (YPbPr/YCbCr) | N/A | no | N/A |
| Number of component inputs | N/A | 0 | N/A |
| Composite input | N/A | no | N/A |
| Number of composite inputs | N/A | 0 | N/A |
| DisplayPort | N/A | yes | N/A |
| HDCP | N/A | yes | yes |
| HDMI | N/A | yes | N/A |
| Number of HDMI inputs | N/A | 3 | N/A |
| HDMI version | N/A | 2.0 | N/A |
| Headphone output | N/A | yes | yes |
| Headphone outputs quantity | N/A | 1 | 1 |
| S-video input | N/A | no | N/A |
| Number of s-video inputs | N/A | 0 | N/A |
| Thunderbolt | N/A | no | N/A |
| USB for video | N/A | no | N/A |
| VGA in | N/A | no | N/A |
| Number of DisplayPort inputs | N/A | 1 | N/A |
| Number of DisplayPort outputs | N/A | 0 | N/A |
| DisplayPort version | N/A | 1.2 | N/A |
| Type of DisplayPort connector | N/A | Standard | N/A |
| MHL | N/A | yes | N/A |
| Supported graphics resolutions | 3840 x 2160 | 3840x2160 | 3840x2160 |
|---|---|---|---|
| Refresh rate | 60.0 Hz | 60.0 Hz | 60.0 Hz |
| HD type | 4K Ultra HD | 4K Ultra HD | 4K Ultra HD |
| Display number of colours | 1.073 billion colours | 1.073 billion colours | N/A |
| Dynamic contrast ratio | 100000000:1 | 100000000:1 | N/A |
| Display technology | LED | LCD | LED |
| Backlight | LED backlight | WLED | WLED |
| Panel type | TN | TN | AH-IPS |
| Response time | 1.0 ms | 1.0 ms | 5.0 ms |
| Picture-in-Picture (PIP) | yes | no | N/A |
| Viewing angle (horizontal) | 170.0 ° | 170.0 ° | 178.0 ° |
| Viewing angle (vertical) | 160.0 ° | 160.0 ° | 178.0 ° |
| Maximum resolution | N/A | 3840 x 2160 px | N/A |
| Colour depth (per channel) | N/A | 10.0 bit | N/A |
| Colour gamut (Adobe RGB) | N/A | 74.6 % | N/A |
| Contrast ratio | N/A | 1000:1 | N/A |
| Response time (GtG) | N/A | 1.0 ms | N/A |
| Response time (BtW) | N/A | 1.0 ms | N/A |
| Image delay | N/A | < 1 | N/A |
| Pixel size | N/A | 0.01 in | N/A |
| Pivot function | yes | yes | yes |
|---|---|---|---|
| Swivel | yes | yes | N/A |
| Cable lock slot | no | yes | yes |
| Ascendable and submersible | N/A | yes | N/A |
| Tiltable | N/A | yes | yes |
| Memory card reader | N/A | no | N/A |
| Flicker free | N/A | yes | N/A |
| Plug and Play | N/A | N/A | yes |
| 3D support (3D-Ready) | no | yes | no |
|---|---|---|---|
| VESA mount | yes | yes | yes |
| Adaptive synchronization | N/A | yes | N/A |
| HDR | N/A | no | N/A |
| Type of VESA mount | N/A | 100x100mm | 100x100mm |
| Sync technology | N/A | AMD Freesync | N/A |
| Energy efficiency class | C | B | A |
|---|---|---|---|
| Power consumption (standby) | 0.45 W | 0.5 W | N/A |
| Power consumption (typical) | 41.5 W | 62.9 W | 32.0 W |
| Connecting 9V/12V/14V | N/A | None | N/A |
| Operational power consumption | N/A | < 63.9 | N/A |
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