Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | MSI - MPG 321URX | MSI - MPG 271QRX |
|---|---|---|
| Refresh rate | 240 Hz | 360 Hz |
| Screen size | 32 " | 27 " |
Between the MPG 321URX and MPG 271QRX, the MPG 321URX comes out ahead in screen size, while the MPG 271QRX wins on refresh rate. Overall, the MPG 321URX scores 78.2 and the MPG 271QRX scores 76.9 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (78.2 vs 76.9). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the MPG 321URX 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 screen size. The single most decisive one: Screen size — 18.52% more. 32 " vs 27 ".
Pick the MPG 271QRX if you care most about refresh rate. Its strongest claims are refresh rate. The single most decisive one: Refresh rate — 50.00% more. 360 Hz vs 240 Hz.
Both ship with comparable response time (gtg), peak brightness, dci-p3 coverage, 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: MSI - MPG 321URX or MSI - MPG 271QRX?
MSI - MPG 321URX leads the current Mars Score by 1.3 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 MSI - MPG 321URX if…
MSI - MPG 321URX has the measurable edge on screen size in.
Choose MSI - MPG 271QRX if…
MSI - MPG 271QRX has the measurable edge on refresh rate hz.
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 MSI - MPG 321URX wins
- ▲Screen size — 18.52% more. 32 " vs 27 ".
Why MSI - MPG 271QRX wins
- ▲Refresh rate — 50.00% more. 360 Hz vs 240 Hz.
Spec comparison
Panel
| Spec | MSI - MPG 321URX | MSI - MPG 271QRX |
|---|---|---|
| Screen size | 32 "lead | 27 " |
| Panel typeⓘ | QD-OLED | QD-OLED |
| Resolutionⓘ | 4Klead | 1440p |
| Aspect ratioⓘ | 16:9 | 16:9 |
| Curvedⓘ | false | false |
Performance
| Spec | MSI - MPG 321URX | MSI - MPG 271QRX |
|---|---|---|
| Refresh rateⓘ | 240 Hz | 360 Hzlead |
| Response time (GtG)ⓘ | 0.03 ms | 0.03 ms |
| Peak brightnessⓘ | 1000 nits | 1000 nits |
| DCI-P3 coverageⓘ | 99 % | 99 % |
| HDRⓘ | true | true |
| G-Syncⓘ | true | true |
| FreeSyncⓘ | true | true |
Connectivity
| Spec | MSI - MPG 321URX | MSI - MPG 271QRX |
|---|---|---|
| HDMI ports | 2 | 2 |
| DisplayPort ports | 1 | 1 |
| USB-C inputⓘ | true | true |
| USB-C Power Deliveryⓘ | 98 W | 98 W |
| KVM | true | true |
Frequently asked
Which has higher refresh rate, MPG 321URX or MPG 271QRX?+
MPG 271QRX refreshes at 360Hz vs 240Hz.
Which has faster response time, MPG 321URX or MPG 271QRX?+
MPG 271QRX responds in 0.03ms vs 0.03ms.
Does MPG 321URX or MPG 271QRX have USB-C with power delivery?+
Both offer USB-C PD — 98W on MPG 321URX, 98W on MPG 271QRX.