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- UltraSharp U4021QW vs ThinkVision P40w-20
Dell UltraSharp U4021QW vs Lenovo ThinkVision P40w-20
What UltraSharp U4021QW does better (1) and where ThinkVision P40w-20 wins (3) — every spec side by side.
vs
4.0Screen4.9
7.9Connectivity5.1
2.3Design & ergonomics2.9
Why is UltraSharp U4021QW better than ThinkVision P40w-20?
- HDMI inputs2 vs 12×
Why is ThinkVision P40w-20 better than UltraSharp U4021QW?
- Response time8 ms vs 6 ms+33%
- Refresh rate60 Hz vs 75 Hz+25%
- Height adjustment120 mm vs 130 mm+8%
Specifications
Side by side
| Display | ||
| Screen size | 40″ | 39.7″ |
| Resolution | 5120 × 2160 | 5120 × 2160 |
| Resolution class | 5K | 5K |
| Pixel density | 140 ppi | 140 ppi |
| Aspect ratio | 21:9 | 21:9 |
| Panel type | IPS | IPS |
| Refresh rate | 60 Hz | 75 Hz |
| Brightness (typical) | 300 nits | 300 nits |
| Contrast ratio (static) | 1,000:1 | 1,000:1 |
| Response time | 8 ms | 6 ms |
| Anti-glare / matte screen | Yes | Yes |
| Curved screen | Yes | Yes |
| Colour | ||
| sRGB coverage | 100% | 99% |
| DCI-P3 coverage | — | 98% |
| Colour depth | 10 bit | 10 bit |
| Connectivity | ||
| USB-C video input (one cable) | — | Yes |
| Thunderbolt | — | Yes |
| KVM switch | — | Yes |
| HDMI inputs | 2 | 1 |
| DisplayPort inputs | 1 | 1 |
| USB hub | Yes | Yes |
| Ethernet (RJ45) | Yes | Yes |
| Design & ergonomics | ||
| Height adjustment | 120 mm | 130 mm |
| Pivot (portrait rotation) | No | No |
| Swivel | Yes | Yes |
| VESA mount | 100 × 100 mm | 100 × 100 mm |
| Product line | Dell UltraSharp | Lenovo ThinkVision |
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