Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | HP - OMEN 32q QHD | HP - Z27k G3 4K USB-C |
|---|---|---|
| Refresh rate | 165 Hz | 60 Hz |
| Response time (GtG) | 1 ms | 5 ms |
| Screen size | 32 " | 27 " |
| DCI-P3 coverage | 95 % | 98 % |
| G-Sync | true | false |
| FreeSync | true | false |
Between the OMEN 32q QHD and Z27k G3 4K USB-C, the OMEN 32q QHD comes out ahead in refresh rate / response time (gtg), while the Z27k G3 4K USB-C wins on dci-p3 coverage / usb-c power delivery. Overall, the OMEN 32q QHD scores 68 and the Z27k G3 4K USB-C scores 63.3 on our Mars Score.
Which should you buy?
The OMEN 32q QHD edges ahead on the Mars Score (68 vs 63.3), but the 4.7-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the OMEN 32q QHD 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, response time (gtg), screen size, among others. The single most decisive one: Refresh rate — 175.00% more. 165 Hz vs 60 Hz.
Pick the Z27k G3 4K USB-C if you care most about dci-p3 coverage / usb-c power delivery. Its strongest claims are dci-p3 coverage, usb-c power delivery. The single most decisive one: DCI-P3 coverage — 3.16% more. 98 % vs 95 %.
Both ship with comparable peak brightness, panel type, 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 - OMEN 32q QHD or HP - Z27k G3 4K USB-C?
HP - OMEN 32q QHD leads the current Mars Score by 4.7 points.The more useful decision is the trade-off behind that result: compare screen size, refresh rate against the way you will actually use the product.
Choose HP - OMEN 32q QHD if…
HP - OMEN 32q QHD has the measurable edge on refresh rate hz, response time ms, screen size in.
Choose HP - Z27k G3 4K USB-C if…
HP - Z27k G3 4K USB-C has the measurable edge on color gamut dci p3 pct, has usb c pd w.
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 - OMEN 32q QHD wins
- ▲Refresh rate — 175.00% more. 165 Hz vs 60 Hz.
- ▲Response time (GtG) — 80.00% less. 1 ms vs 5 ms.
- ▲Screen size — 18.52% more. 32 " vs 27 ".
- ▲Has G-Sync.
- ▲Has FreeSync.
Why HP - Z27k G3 4K USB-C wins
- ▲DCI-P3 coverage — 3.16% more. 98 % vs 95 %.
- ▲USB-C Power Delivery: 100 W vs 0 W.
Spec comparison
Panel
| Spec | HP - OMEN 32q QHD | HP - Z27k G3 4K USB-C |
|---|---|---|
| Screen size | 32 "lead | 27 " |
| Panel typeⓘ | IPS | IPS |
| Resolutionⓘ | 1440p | 4Klead |
| Aspect ratioⓘ | 16:9 | 16:9 |
| Curvedⓘ | false | false |
Performance
| Spec | HP - OMEN 32q QHD | HP - Z27k G3 4K USB-C |
|---|---|---|
| Refresh rateⓘ | 165 Hzlead | 60 Hz |
| Response time (GtG)ⓘ | 1 mslead | 5 ms |
| Peak brightnessⓘ | 400 nits | 400 nits |
| DCI-P3 coverageⓘ | 95 % | 98 %lead |
| HDRⓘ | true | true |
| G-Syncⓘ | truelead | false |
| FreeSyncⓘ | truelead | false |
Connectivity
| Spec | HP - OMEN 32q QHD | HP - Z27k G3 4K USB-C |
|---|---|---|
| HDMI ports | 2lead | 1 |
| DisplayPort ports | 1 | 1 |
| USB-C inputⓘ | false | truelead |
| USB-C Power Deliveryⓘ | 0 W | 100 Wlead |
| KVM | false | truelead |
Frequently asked
Which has higher refresh rate, OMEN 32q QHD or Z27k G3 4K USB-C?+
OMEN 32q QHD refreshes at 165Hz vs 60Hz.
Which has faster response time, OMEN 32q QHD or Z27k G3 4K USB-C?+
OMEN 32q QHD responds in 1ms vs 5ms.
Does OMEN 32q QHD or Z27k G3 4K USB-C have USB-C with power delivery?+
Z27k G3 4K USB-C offers USB-C with 100W power delivery.