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Acer Predator X27U OLED vs Cooler Master GM27-FQS: Comparison
Acer Predator X27U OLED vs Cooler Master GM27-FQS: the refresh rate difference
Start with refresh rate, because it is the widest measured gap between them: Acer Predator X27U OLED 240 Hz against Cooler Master GM27-FQS 165 Hz, 31% in favour of Acer Predator X27U OLED. Add max refresh rate to that, 240 Hz on the Acer Predator X27U OLED versus 165 Hz on the Cooler Master GM27-FQS, and the pattern holds. They differ on dci-p3 coverage too, 99 % on the Acer Predator X27U OLED versus 90 % on the Cooler Master GM27-FQS. They differ on vesa mount pattern too, 100x100 on the Acer Predator X27U OLED versus 75x75 on the Cooler Master GM27-FQS.
Who each one is for
it is not the pick for anyone wanting 4K resolution rather than QHD. It also earns its place with gamers comparing the crowded 27-inch QHD/240 QD-OLED segment wanting Acer's ecosystem. It is not the one for buyers already settled on a specific competing brand's ecosystem or software. Buy the Cooler Master GM27-FQS for PC builders already invested in Cooler Master's ecosystem and value-focused QHD gaming shoppers, though it is not built for buyers wanting mature, polished OSD software and HDR content enthusiasts. Our rating of the Cooler Master GM27-FQS (7.7/10): A competent first-generation gaming monitor from a trusted PC hardware brand, competitive on specs if not yet on software polish.
What Acer Predator X27U OLED and Cooler Master GM27-FQS have in common
Everything else lines up. Resolution, native resolution, screen size, hdr support and aspect ratio read the same on both, so those are not worth weighing. They match on 4 further specifications as well.
Frequently asked questions
Do the Acer Predator X27U OLED and Cooler Master GM27-FQS differ on panel type?
Yes. Panel Type reads WOLED on the Acer Predator X27U OLED versus IPS on the Cooler Master GM27-FQS.
Is the Curved the same on the Acer Predator X27U OLED and Cooler Master GM27-FQS?
It is. Both are listed at No, so it is not a reason to pick one over the other.
Specs and benchmarks
Panel Type
- Acer Predator X27U OLED
- WOLED
- Cooler Master GM27-FQS
- IPS
Brand
- Acer Predator X27U OLED
- Acer
- Cooler Master GM27-FQS
- Cooler Master
Model Number
- Acer Predator X27U OLED
- X27U OLED (bmiipruzx)
- Cooler Master GM27-FQS
- GM27-FQS
Screen Size
- Acer Predator X27U OLED
- 27 in
- Cooler Master GM27-FQS
- 27 in
Resolution
- Acer Predator X27U OLED
- 2560 x 1440 (QHD)
- Cooler Master GM27-FQS
- 2560 x 1440 (QHD)
Panel Technology
- Acer Predator X27U OLED
- WOLED
- Cooler Master GM27-FQS
- IPS
Aspect Ratio
- Acer Predator X27U OLED
- 16:9
- Cooler Master GM27-FQS
- 16:9
Refresh Rate
- Acer Predator X27U OLED
- 240 HzBest
- Cooler Master GM27-FQS
- 165 Hz-31%
Adaptive Sync
- Acer Predator X27U OLED
- AMD FreeSync Premium
- Cooler Master GM27-FQS
- AMD FreeSync Premium, G-Sync Compatible
HDR Support
- Acer Predator X27U OLED
- Yes
- Cooler Master GM27-FQS
- Yes
Curved
- Acer Predator X27U OLED
- No
- Cooler Master GM27-FQS
- No
Native Resolution
- Acer Predator X27U OLED
- 2560x1440
- Cooler Master GM27-FQS
- 2560x1440
Screen Curvature
- Acer Predator X27U OLED
- Flat
- Cooler Master GM27-FQS
- Flat
Max Refresh Rate
- Acer Predator X27U OLED
- 240 HzBest
- Cooler Master GM27-FQS
- 165 Hz-31%
VRR Standard
- Acer Predator X27U OLED
- FreeSync Premium
- Cooler Master GM27-FQS
- FreeSync Premium
SDR Brightness
- Acer Predator X27U OLED
- 150 nits
- Cooler Master GM27-FQS
- 300 nitsBest
DCI-P3 Coverage
- Acer Predator X27U OLED
- 99 %
- Cooler Master GM27-FQS
- 90 %
Height Adjustment Range
- Acer Predator X27U OLED
- 150 mm
- Cooler Master GM27-FQS
- 110 mmBest
Pivot To Portrait
- Acer Predator X27U OLED
- Yes
- Cooler Master GM27-FQS
- Yes
VESA Mount Pattern
- Acer Predator X27U OLED
- 100x100
- Cooler Master GM27-FQS
- 75x75
Series
- Acer Predator X27U OLED
- Predator X27U OLED
- Cooler Master GM27-FQS
- Cooler Master Gaming GM27-FQS
Color Gamut
- Acer Predator X27U OLED
- 99% DCI-P3
- Cooler Master GM27-FQS
- 90% DCI-P3
Which one should you pick?
Choose Acer Predator X27U OLED if you want the higher screen size (27 in vs 27 in), the higher refresh rate (240 Hz vs 165 Hz) and the higher max refresh rate (240 Hz vs 165 Hz).
Choose Cooler Master GM27-FQS if you already have it on hand or find it at a lower price.
Verdict
Cooler Master GM27-FQS
7.7 / 10 Expert Rating
A competent first-generation gaming monitor from a trusted PC hardware brand, competitive on specs if not yet on software polish.




