Acer Predator Gaming Monitor vs KOORUI 27 Inch QHD — Head-to-Head (2026)

The specs side by side, with links to both product pages.

Acer Predator Gaming Monitor | 26.5" WQHD 2560 x 1440 OLED | AMD FreeSync Premium Pro | 500Hz | 0.03ms | VESA DisplayHDR True Black 500 | USB Type-C, 2 x DP 1.4 & 2 x HDMI 2.1 | X27U F5bmiippruzx

$509.99

$189.99

*Price sourced from Amazon.com. Last updated 2026-09-29. Price and availability subject to change.

Spec	Acer Predator Gaming Monitor \| 26.5"…	KOORUI 27 Inch QHD (2560x1440) IPS HDR…
Brand	Acer	KOORUI
Color	Black	Black
Shape	Flat	Flat
Model Name	X27U	E2721H
Resolution	QHD Wide 1440p	QHD Wide 1440p
Screen Size	26.5 inches	27
Aspect Ratio	16:9	16:9
Connectivity	USB	USB-C
Display Type	OLED	LED
Model Number	X27U F5bmiippruzx	E2721F
Refresh Rate	500 hertz	120 hertz
Adaptive Sync	FreeSync Premium Pro	FreeSync, G-Sync
Response Time	0.03 milliseconds	1 milliseconds
Screen Finish	Matte	Matte

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