 |  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Dell P2421D |  Dell U2415 | |
|---|---|---|
| Screen size | 23.8 in | 24.1 in |
| Brightness | 300.0 cd/m² | 300.0 cd/m² |
| Aspect ratio | 16:9 | 16:10 |
| Dell P2421D | Dell U2415 | |
|---|---|---|
| Colour of product | Black |
|
| Panel design | Flat | Flat |
| Built-in USB hub | yes | yes |
| Built-in camera | no | no |
| Dell P2421D | Dell U2415 | |
|---|---|---|
| Height adjustment | 5.12 in | 4.53 in |
| Height (without stand) | 12.68 in | 13.8 in |
| Height with stand | 14.02 in | 20.39 in |
| Depth (with stand) | 6.54 in | 8.07 in |
| Depth (without stand) | 6.54 in | 1.8 in |
| Width (with stand) | 21.17 in | 20.95 in |
| Weight | 0.12 oz | 223.64 oz |
| Dell P2421D | Dell U2415 | |
|---|---|---|
| DVI Port | no | no |
| HDMI | yes | yes |
| HDMI ports quantity | 1 | 2 |
| Headphone output | no | yes |
| DisplayPort version | 1.2 | 1.2 |
| Dell P2421D | Dell U2415 | |
|---|---|---|
| Supported graphics resolutions | 2560 x 1440 | 1920x1200 |
| Refresh rate | 60.0 Hz | 60.0 Hz |
| HD type | Quad HD | Full HD |
| Display number of colours | 16.78 million colours | 16.78 million colours |
| Display technology | LED | LED |
| Backlight | LED | LED backlight |
| Panel type | IPS | IPS |
| Response time | 8.0 ms | 6.0 ms |
| Viewing angle (horizontal) | 178.0 ° | 178.0 ° |
| Viewing angle (vertical) | 178.0 ° | 178.0 ° |
| Dell P2421D | Dell U2415 | |
|---|---|---|
| Pivot function | yes | yes |
| Swivel | yes | yes |
| Cable lock slot | yes | yes |
| Dell P2421D | Dell U2415 | |
|---|---|---|
| 3D support (3D-Ready) | no | no |
| VESA mount | yes | yes |
| Type of VESA mount | 100x100mm | 100x100mm |
| Dell P2421D | Dell U2415 | |
|---|---|---|
| EnergyStar | yes | no |
| Dell P2421D | Dell U2415 | |
|---|---|---|
| Energy efficiency class | E | A+ |
| Power consumption (standby) | 0.3 W | 0.5 W |
| Power consumption (typical) | 25.0 W | 23.0 W |
| Pros | ||
|---|---|---|
| Cons |
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