Between the Z27k G3 4K USB-C and MPG 271QRX, the Z27k G3 4K USB-C comes out ahead in usb-c power delivery, while the MPG 271QRX wins on refresh rate and peak brightness. Overall, the Z27k G3 4K USB-C scores 59 and the MPG 271QRX scores 70.8 on our Mars Score.
Which should you buy?
The MPG 271QRX is the clear pick on raw spec strength, leading by 11.8 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 Z27k G3 4K USB-C if you care most about usb-c power delivery. The biggest gaps in its favor are usb-c power delivery.
Pick the MPG 271QRX 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, peak brightness, response time (gtg), among others.
Both ship with comparable screen size, so those specs don't separate the two — focus on the differences below.
Bottom line: the MPG 271QRX 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
- ▲USB-C Power Delivery — 2.04% more. 100 W vs 98 W.
Why MSI - MPG 271QRX wins
- ▲Refresh rate — 500.00% more. 360 Hz vs 60 Hz.
- ▲Peak brightness — 150.00% more. 1000 nits vs 400 nits.
- ▲Response time (GtG) — 99.40% less. 0.03 ms vs 5 ms.
- ▲DCI-P3 coverage — 1.02% more. 99 % vs 98 %.
- ▲Has G-Sync.
- ▲Has FreeSync.
- ▲Panel type: QD-OLED (vs IPS).
Spec comparison
Panel
| Spec | HP - Z27k G3 4K USB-C | MSI - MPG 271QRX |
|---|---|---|
| Screen sizeⓘ | 27 " | 27 " |
| Panel typeⓘ | IPS | QD-OLEDlead |
| Resolutionⓘ | 4Klead | 1440p |
| Aspect ratioⓘ | 16:9 | 16:9 |
| Curvedⓘ | false | false |
Performance
| Spec | HP - Z27k G3 4K USB-C | MSI - MPG 271QRX |
|---|---|---|
| Refresh rateⓘ | 60 Hz | 360 Hzlead |
| Response time (GtG)ⓘ | 5 ms | 0.03 mslead |
| Peak brightnessⓘ | 400 nits | 1000 nitslead |
| DCI-P3 coverageⓘ | 98 % | 99 %lead |
| HDRⓘ | true | true |
| G-Syncⓘ | false | truelead |
| FreeSyncⓘ | false | truelead |
Connectivity
| Spec | HP - Z27k G3 4K USB-C | MSI - MPG 271QRX |
|---|---|---|
| HDMI ports | 1 | 2lead |
| DisplayPort ports | 1 | 1 |
| USB-C input | true | true |
| USB-C Power Deliveryⓘ | 100 Wlead | 98 W |
| KVM | true | true |
Frequently asked
Which has higher refresh rate, Z27k G3 4K USB-C or MPG 271QRX?+
MPG 271QRX refreshes at 360Hz vs 60Hz.
Which has faster response time, Z27k G3 4K USB-C or MPG 271QRX?+
MPG 271QRX responds in 0.03ms vs 5ms.
Does Z27k G3 4K USB-C or MPG 271QRX have USB-C with power delivery?+
Both offer USB-C PD — 100W on Z27k G3 4K USB-C, 98W on MPG 271QRX.
Spec-level deep dives
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