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- UltraSharp U2421HE vs UltraSharp U2721DE
Dell UltraSharp U2421HE vs Dell UltraSharp U2721DE
What UltraSharp U2421HE does better (0) and where UltraSharp U2721DE wins (4) — every spec side by side.
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2.1Screen2.9
2.2Colour accuracy2.2
8.1Connectivity8.1
2.9Design & ergonomics5.8
Why is UltraSharp U2421HE better than UltraSharp U2721DE?
UltraSharp U2421HE has no measurable advantages in this pair.
Why is UltraSharp U2721DE better than UltraSharp U2421HE?
- Pixel density92 ppi vs 109 ppi+18%
- Brightness (typical)250 nits vs 350 nits+40%
- SwivelNo · UltraSharp U2421HE: Yes
- Screen size23.8″ vs 27″+13%
Specifications
Side by side
| Display | ||
| Screen size | 23.8″ | 27″ |
| Resolution | 1920 × 1080 | 2560 × 1440 |
| Resolution class | Full HD | QHD / 2.5K |
| Pixel density | 92 ppi | 109 ppi |
| Aspect ratio | 16:9 | 16:9 |
| Panel type | IPS | IPS |
| Refresh rate | 60 Hz | 60 Hz |
| Brightness (typical) | 250 nits | 350 nits |
| Contrast ratio (static) | 1,000:1 | 1,000:1 |
| Response time | 8 ms | 8 ms |
| Anti-glare / matte screen | Yes | Yes |
| Colour | ||
| sRGB coverage | 99% | 99% |
| DCI-P3 coverage | 85% | 85% |
| Colour depth | 8 bit | 8 bit |
| Connectivity | ||
| HDMI inputs | 1 | 1 |
| DisplayPort inputs | 2 | 2 |
| USB hub | Yes | Yes |
| Ethernet (RJ45) | Yes | Yes |
| Design & ergonomics | ||
| Height adjustment | 130 mm | 130 mm |
| Pivot (portrait rotation) | Yes | Yes |
| Swivel | No | Yes |
| VESA mount | — | 100 × 100 mm |
| Width | 538 mm | — |
| Height | 348 mm | — |
| Depth | 165 mm | — |
| Product line | Dell UltraSharp | Dell UltraSharp |
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