Between the UltraSharp U3825QW and Z27k G3 4K USB-C, the UltraSharp U3825QW comes out ahead in refresh rate / usb-c power delivery, while the Z27k G3 4K USB-C wins on several specs. Overall, the UltraSharp U3825QW scores 71.2 and the Z27k G3 4K USB-C scores 59 on our Mars Score.
Which should you buy?
The UltraSharp U3825QW is the clear pick on raw spec strength, leading by 12.2 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the UltraSharp U3825QW if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are refresh rate, usb-c power delivery, screen size, among others.
The Z27k G3 4K USB-C similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable response time (gtg), panel type, g-sync, so those specs do not separate the two — focus on the differences below.
Bottom line: the UltraSharp U3825QW is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Dell - UltraSharp U3825QW wins
- ▲Refresh rate — 100.00% more. 120 Hz vs 60 Hz.
- ▲USB-C Power Delivery — 40.00% more. 140 W vs 100 W.
- ▲Screen size — 38.89% more. 37.5 " vs 27 ".
- ▲Peak brightness — 12.50% more. 450 nits vs 400 nits.
- ▲DCI-P3 coverage — 1.02% more. 99 % vs 98 %.
Why HP - Z27k G3 4K USB-C wins
- No decisive advantages.
Spec comparison
Panel
| Spec | Dell - UltraSharp U3825QW | HP - Z27k G3 4K USB-C |
|---|---|---|
| Screen sizeⓘ | 37.5 "lead | 27 " |
| Panel typeⓘ | IPS | IPS |
| Resolutionⓘ | 4K | 4K |
| Aspect ratioⓘ | 21:9 | 16:9 |
| Curvedⓘ | truelead | false |
Performance
| Spec | Dell - UltraSharp U3825QW | HP - Z27k G3 4K USB-C |
|---|---|---|
| Refresh rateⓘ | 120 Hzlead | 60 Hz |
| Response time (GtG)ⓘ | 5 ms | 5 ms |
| Peak brightnessⓘ | 450 nitslead | 400 nits |
| DCI-P3 coverageⓘ | 99 %lead | 98 % |
| HDRⓘ | true | true |
| G-Syncⓘ | false | false |
| FreeSyncⓘ | false | false |
Connectivity
| Spec | Dell - UltraSharp U3825QW | HP - Z27k G3 4K USB-C |
|---|---|---|
| HDMI ports | 2lead | 1 |
| DisplayPort ports | 1 | 1 |
| USB-C input | true | true |
| USB-C Power Deliveryⓘ | 140 Wlead | 100 W |
| KVM | true | true |
Frequently asked
Which has higher refresh rate, UltraSharp U3825QW or Z27k G3 4K USB-C?+
UltraSharp U3825QW refreshes at 120Hz vs 60Hz.
Which has faster response time, UltraSharp U3825QW or Z27k G3 4K USB-C?+
Z27k G3 4K USB-C responds in 5ms vs 5ms.
Does UltraSharp U3825QW or Z27k G3 4K USB-C have USB-C with power delivery?+
Both offer USB-C PD — 140W on UltraSharp U3825QW, 100W on Z27k G3 4K USB-C.
Spec-level deep dives
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