Specs that matter
Display
- Size
- 27" (686 mm)
Product highlights
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Price & availability
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Should you buy it?
Buy the 27GX790B if you play competitive shooters and want 540Hz at 1440p with a 720Hz dual mode. Reviewers praised the panel and clarity. Skip it if you mostly play story games — you will not feel the leap from a good 240Hz OLED.
Best for
Esports players with high-end GPUs
Not for
4K seekers and casual story gamers
Main strength540Hz at 1440p with 720Hz dual mode
Main weaknessGains hard to notice vs 240Hz for most
Reasons to buy
540Hz at 1440p with 720Hz dual mode
Vibrant OLED panel
Clean design and easy OSD
Built for competitive motion
Reasons to avoid
Gains hard to notice vs 240Hz for most
Still 1440p only
Premium ask for niche speed
Measured view—/10What the pros say · verified oct 8, 2026.
ScoreVerified Oct 8, 2026