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- UltraSharp U3423WE vs ThinkVision P34w-20
Dell UltraSharp U3423WE vs Lenovo ThinkVision P34w-20
What UltraSharp U3423WE does better (3) and where ThinkVision P34w-20 wins (1) — every spec side by side.
vs
4.0Screen3.0
5.6Connectivity7.5
5.5Design & ergonomics3.5
Dimensions
Size comparison
UltraSharp U3423WEThinkVision P34w-20
| UltraSharp U3423WE | ThinkVision P34w-20 | Difference | |
|---|---|---|---|
| Height | 393 mm | 469 mm | −76 mm |
| Width | 813 mm | 817 mm | −4 mm |
| Depth | 237 mm | 245 mm | −8 mm |
| Weight | 11.4 kg | 10.8 kg | +0.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is UltraSharp U3423WE better than ThinkVision P34w-20?
- Contrast ratio (static)2,000:1 vs 1,000:12×
- Pivot (portrait rotation)Yes · ThinkVision P34w-20: No
- Response time5 ms vs 6 ms+20%
Why is ThinkVision P34w-20 better than UltraSharp U3423WE?
- Weight11.44 kg vs 10.8 kg+6%
Specifications
Side by side
| Display | ||
| Screen size | 34″ | 34.1″ |
| Resolution | 3440 × 1440 | 3440 × 1440 |
| Resolution class | Ultrawide QHD | Ultrawide QHD |
| Pixel density | 109 ppi | 109 ppi |
| Aspect ratio | 21:9 | 21:9 |
| Panel type | IPS | IPS |
| Refresh rate | 60 Hz | 60 Hz |
| Brightness (typical) | 300 nits | 300 nits |
| Contrast ratio (static) | 2,000:1 | 1,000:1 |
| Response time | 5 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 | — |
| USB-C charging (Power Delivery) | 90 W | — |
| KVM switch | Yes | Yes |
| HDMI inputs | 2 | 2 |
| DisplayPort inputs | 1 | 1 |
| USB hub | Yes | Yes |
| Ethernet (RJ45) | Yes | Yes |
| Built-in speakers | Yes | Yes |
| Design & ergonomics | ||
| Height adjustment | 150 mm | 150 mm |
| Pivot (portrait rotation) | Yes | No |
| Swivel | Yes | Yes |
| VESA mount | 100 × 100 mm | 100 × 100 mm |
| Weight | 11.44 kg | 10.8 kg |
| Width | 813 mm | 817 mm |
| Height | 393 mm | 469 mm |
| Depth | 237 mm | 245 mm |
| Product line | Dell UltraSharp | Lenovo ThinkVision |
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