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Head-to-head

Gigabyte - M27Q X vs Samsung - Odyssey OLED G6 (G60SD)

Last updated · How Mars Score works
M27Q XGIGABYTERENDER
Probe A
Gigabyte
M27Q X
65.7/ 100C
Performance79· 45%
Panel49· 40%
Connectivity· 15%
Odyssey OLED G6 (G60SD)SAMSUNGRENDER
Probe B
Samsung
Odyssey OLED G6 (G60SD)
70.8/ 100B
Performance88· 45%
Panel49· 40%
Connectivity· 15%
Quick verdict

Between the M27Q X and Odyssey OLED G6 (G60SD), the M27Q X comes out ahead in g-sync and usb-c power delivery, while the Odyssey OLED G6 (G60SD) wins on peak brightness and response time (gtg). Overall, the M27Q X scores 65.7 and the Odyssey OLED G6 (G60SD) scores 70.8 on our Mars Score.

Buying advice

Which should you buy?

The Odyssey OLED G6 (G60SD) edges ahead on the Mars Score (65.7 vs 70.8), but the 5.1-point gap is small enough that the right pick comes down to which spec advantages matter to you.

Pick the M27Q X if you care most about g-sync and usb-c power delivery. The biggest gaps in its favor are g-sync, usb-c power delivery.

Pick the Odyssey OLED G6 (G60SD) 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 peak brightness, response time (gtg), refresh rate, among others.

Both ship with comparable screen size, freesync, so those specs don't separate the two — focus on the differences below.

Bottom line: the Odyssey OLED G6 (G60SD) is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.

Why Gigabyte - M27Q X wins

  • Has G-Sync.
  • USB-C Power Delivery: 15 W vs 0 W.

Why Samsung - Odyssey OLED G6 (G60SD) wins

  • Peak brightness — 150.00% more. 1000 nits vs 400 nits.
  • Response time (GtG) — 90.00% less. 0.03 ms vs 0.3 ms.
  • Refresh rate — 50.00% more. 360 Hz vs 240 Hz.
  • DCI-P3 coverage — 7.61% more. 99 % vs 92 %.
  • Panel type: QD-OLED (vs IPS).
Full readout

Spec comparison

Panel

SpecGigabyte - M27Q XSamsung - Odyssey OLED G6 (G60SD)
Screen size27 "27 "
Panel typeIPSQD-OLEDlead
Resolution1440p1440p
Aspect ratio16:916:9
Curvedfalsefalse

Performance

SpecGigabyte - M27Q XSamsung - Odyssey OLED G6 (G60SD)
Refresh rate240 Hz360 Hzlead
Response time (GtG)0.3 ms0.03 mslead
Peak brightness400 nits1000 nitslead
DCI-P3 coverage92 %99 %lead
HDRtruetrue
G-Synctrueleadfalse
FreeSynctruetrue

Connectivity

SpecGigabyte - M27Q XSamsung - Odyssey OLED G6 (G60SD)
HDMI ports2lead1
DisplayPort ports11
USB-C inputtrueleadfalse
USB-C Power Delivery15 Wlead0 W
KVMtrueleadfalse
Reader questions

Frequently asked

Which has higher refresh rate, M27Q X or Odyssey OLED G6 (G60SD)?+

Odyssey OLED G6 (G60SD) refreshes at 360Hz vs 240Hz.

Which has faster response time, M27Q X or Odyssey OLED G6 (G60SD)?+

Odyssey OLED G6 (G60SD) responds in 0.03ms vs 0.3ms.

Does M27Q X or Odyssey OLED G6 (G60SD) have USB-C with power delivery?+

M27Q X offers USB-C with 15W power delivery.

Drill down

Spec-level deep dives

By manufacturer

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