HP - Z27k G3 4K USB-C vs Lenovo - ThinkVision P27u-20
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | HP - Z27k G3 4K USB-C | Lenovo - ThinkVision P27u-20 |
|---|---|---|
| Response time (GtG) | 5 ms | 6 ms |
| DCI-P3 coverage | 98 % | 99 % |
Between the Z27k G3 4K USB-C and ThinkVision P27u-20, the Z27k G3 4K USB-C comes out ahead in response time (gtg), while the ThinkVision P27u-20 wins on dci-p3 coverage. Overall, the Z27k G3 4K USB-C scores 63.3 and the ThinkVision P27u-20 scores 62.6 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (63.3 vs 62.6). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Z27k G3 4K USB-C if you care most about response time (gtg). The biggest gaps in its favor are response time (gtg). The single most decisive one: Response time (GtG) — 16.67% less. 5 ms vs 6 ms.
Pick the ThinkVision P27u-20 if you care most about dci-p3 coverage. Its strongest claims are dci-p3 coverage. The single most decisive one: DCI-P3 coverage — 1.02% more. 99 % vs 98 %.
Both ship with comparable refresh rate, peak brightness, screen size, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: HP - Z27k G3 4K USB-C or Lenovo - ThinkVision P27u-20?
HP - Z27k G3 4K USB-C leads the current Mars Score by 0.7 points.The more useful decision is the trade-off behind that result: compare the highlighted specifications against the way you will actually use the product.
Choose HP - Z27k G3 4K USB-C if…
HP - Z27k G3 4K USB-C has the measurable edge on response time ms.
Choose Lenovo - ThinkVision P27u-20 if…
Lenovo - ThinkVision P27u-20 has the measurable edge on color gamut dci p3 pct.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why HP - Z27k G3 4K USB-C wins
- ▲Response time (GtG) — 16.67% less. 5 ms vs 6 ms.
Why Lenovo - ThinkVision P27u-20 wins
- ▲DCI-P3 coverage — 1.02% more. 99 % vs 98 %.
Spec comparison
Panel
| Spec | HP - Z27k G3 4K USB-C | Lenovo - ThinkVision P27u-20 |
|---|---|---|
| Screen size | 27 " | 27 " |
| Panel typeⓘ | IPS | IPS |
| Resolutionⓘ | 4K | 4K |
| Aspect ratioⓘ | 16:9 | 16:9 |
| Curvedⓘ | false | false |
Performance
| Spec | HP - Z27k G3 4K USB-C | Lenovo - ThinkVision P27u-20 |
|---|---|---|
| Refresh rateⓘ | 60 Hz | 60 Hz |
| Response time (GtG)ⓘ | 5 mslead | 6 ms |
| Peak brightnessⓘ | 400 nits | 400 nits |
| DCI-P3 coverageⓘ | 98 % | 99 %lead |
| HDRⓘ | true | true |
| G-Syncⓘ | false | false |
| FreeSyncⓘ | false | false |
Connectivity
| Spec | HP - Z27k G3 4K USB-C | Lenovo - ThinkVision P27u-20 |
|---|---|---|
| HDMI ports | 1 | 1 |
| DisplayPort ports | 1 | 1 |
| USB-C inputⓘ | true | true |
| USB-C Power Deliveryⓘ | 100 W | 100 W |
| KVM | true | true |
Frequently asked
Which has higher refresh rate, Z27k G3 4K USB-C or ThinkVision P27u-20?+
ThinkVision P27u-20 refreshes at 60Hz vs 60Hz.
Which has faster response time, Z27k G3 4K USB-C or ThinkVision P27u-20?+
Z27k G3 4K USB-C responds in 5ms vs 6ms.
Does Z27k G3 4K USB-C or ThinkVision P27u-20 have USB-C with power delivery?+
Both offer USB-C PD — 100W on Z27k G3 4K USB-C, 100W on ThinkVision P27u-20.