Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Dell - UltraSharp U2725QE | Gigabyte - M27Q X |
|---|---|---|
| USB-C Power Delivery | 140 W | 15 W |
| Refresh rate | 120 Hz | 240 Hz |
| Response time (GtG) | 5 ms | 0.3 ms |
| Peak brightness | 450 nits | 400 nits |
| DCI-P3 coverage | 98 % | 92 % |
| G-Sync | false | true |
Between the UltraSharp U2725QE and M27Q X, the UltraSharp U2725QE comes out ahead in usb-c power delivery / peak brightness, while the M27Q X wins on refresh rate / response time (gtg). Overall, the UltraSharp U2725QE scores 64.6 and the M27Q X scores 67.6 on our Mars Score.
Which should you buy?
The M27Q X edges ahead on the Mars Score (64.6 vs 67.6), but the 3.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the UltraSharp U2725QE 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 usb-c power delivery, peak brightness, dci-p3 coverage. The single most decisive one: USB-C Power Delivery — 833.33% more. 140 W vs 15 W.
Pick the M27Q X if you care most about refresh rate / response time (gtg). Its strongest claims are refresh rate, response time (gtg), g-sync, among others. The single most decisive one: Refresh rate — 100.00% more. 240 Hz vs 120 Hz.
Both ship with comparable screen size, 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: Dell - UltraSharp U2725QE or Gigabyte - M27Q X?
Gigabyte - M27Q X leads the current Mars Score by 3.0 points.The more useful decision is the trade-off behind that result: compare refresh rate against the way you will actually use the product.
Choose Dell - UltraSharp U2725QE if…
Dell - UltraSharp U2725QE has the measurable edge on has usb c pd w, peak brightness nits, color gamut dci p3 pct.
Choose Gigabyte - M27Q X if…
Gigabyte - M27Q X has the measurable edge on refresh rate hz, response time ms, has g sync.
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 Dell - UltraSharp U2725QE wins
- ▲USB-C Power Delivery — 833.33% more. 140 W vs 15 W.
- ▲Peak brightness — 12.50% more. 450 nits vs 400 nits.
- ▲DCI-P3 coverage — 6.52% more. 98 % vs 92 %.
Why Gigabyte - M27Q X wins
- ▲Refresh rate — 100.00% more. 240 Hz vs 120 Hz.
- ▲Response time (GtG) — 94.00% less. 0.3 ms vs 5 ms.
- ▲Has G-Sync.
- ▲Has FreeSync.
Spec comparison
Panel
| Spec | Dell - UltraSharp U2725QE | Gigabyte - M27Q X |
|---|---|---|
| Screen size | 27 " | 27 " |
| Panel typeⓘ | IPS | IPS |
| Resolutionⓘ | 4Klead | 1440p |
| Aspect ratioⓘ | 16:9 | 16:9 |
| Curvedⓘ | false | false |
Performance
| Spec | Dell - UltraSharp U2725QE | Gigabyte - M27Q X |
|---|---|---|
| Refresh rateⓘ | 120 Hz | 240 Hzlead |
| Response time (GtG)ⓘ | 5 ms | 0.3 mslead |
| Peak brightnessⓘ | 450 nitslead | 400 nits |
| DCI-P3 coverageⓘ | 98 %lead | 92 % |
| HDRⓘ | true | true |
| G-Syncⓘ | false | truelead |
| FreeSyncⓘ | false | truelead |
Connectivity
| Spec | Dell - UltraSharp U2725QE | Gigabyte - M27Q X |
|---|---|---|
| HDMI ports | 1 | 2lead |
| DisplayPort ports | 1 | 1 |
| USB-C inputⓘ | true | true |
| USB-C Power Deliveryⓘ | 140 Wlead | 15 W |
| KVM | true | true |
Frequently asked
Which has higher refresh rate, UltraSharp U2725QE or M27Q X?+
M27Q X refreshes at 240Hz vs 120Hz.
Which has faster response time, UltraSharp U2725QE or M27Q X?+
M27Q X responds in 0.3ms vs 5ms.
Does UltraSharp U2725QE or M27Q X have USB-C with power delivery?+
Both offer USB-C PD — 140W on UltraSharp U2725QE, 15W on M27Q X.