Between the Z27k G3 4K USB-C and UltraSharp U3225QE, the Z27k G3 4K USB-C comes out ahead in several specs, while the UltraSharp U3225QE wins on refresh rate and usb-c power delivery. Overall, the Z27k G3 4K USB-C scores 59 and the UltraSharp U3225QE scores 65.3 on our Mars Score.
Which should you buy?
The UltraSharp U3225QE edges ahead on the Mars Score (59 vs 65.3), but the 6.3-point gap is small enough that the right pick comes down to which spec advantages matter to you.
The Z27k G3 4K USB-C doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.
Pick the UltraSharp U3225QE if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. Its strongest claims are refresh rate, usb-c power delivery, screen size, among others.
Both ship with comparable response time (gtg), panel type, g-sync, so those specs don't separate the two — focus on the differences below.
Bottom line: the UltraSharp U3225QE is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why HP - Z27k G3 4K USB-C wins
- No decisive advantages.
Why Dell - UltraSharp U3225QE 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 — 16.67% more. 31.5 " vs 27 ".
- ▲Peak brightness — 12.50% more. 450 nits vs 400 nits.
- ▲DCI-P3 coverage — 1.02% more. 99 % vs 98 %.
Spec comparison
Panel
| Spec | HP - Z27k G3 4K USB-C | Dell - UltraSharp U3225QE |
|---|---|---|
| Screen sizeⓘ | 27 " | 31.5 "lead |
| Panel typeⓘ | IPS | IPS |
| Resolutionⓘ | 4K | 4K |
| Aspect ratioⓘ | 16:9 | 16:9 |
| Curvedⓘ | false | false |
Performance
| Spec | HP - Z27k G3 4K USB-C | Dell - UltraSharp U3225QE |
|---|---|---|
| Refresh rateⓘ | 60 Hz | 120 Hzlead |
| Response time (GtG)ⓘ | 5 ms | 5 ms |
| Peak brightnessⓘ | 400 nits | 450 nitslead |
| DCI-P3 coverageⓘ | 98 % | 99 %lead |
| HDRⓘ | true | true |
| G-Syncⓘ | false | false |
| FreeSyncⓘ | false | false |
Connectivity
| Spec | HP - Z27k G3 4K USB-C | Dell - UltraSharp U3225QE |
|---|---|---|
| HDMI ports | 1 | 1 |
| DisplayPort ports | 1 | 1 |
| USB-C input | true | true |
| USB-C Power Deliveryⓘ | 100 W | 140 Wlead |
| KVM | true | true |
Frequently asked
Which has higher refresh rate, Z27k G3 4K USB-C or UltraSharp U3225QE?+
UltraSharp U3225QE refreshes at 120Hz vs 60Hz.
Which has faster response time, Z27k G3 4K USB-C or UltraSharp U3225QE?+
UltraSharp U3225QE responds in 5ms vs 5ms.
Does Z27k G3 4K USB-C or UltraSharp U3225QE have USB-C with power delivery?+
Both offer USB-C PD — 100W on Z27k G3 4K USB-C, 140W on UltraSharp U3225QE.
Spec-level deep dives
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