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Acer Nitro 27in QHD 2560x1440 IPS 275Hz Gaming… vs KOORUI 27 Inch QHD — Head-to-Head (2026)

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

Acer Nitro 27in QHD 2560x1440 IPS 275Hz Gaming Monitor KG271U Z2bmiipx | 0.5ms, AMD FreeSync Premium, 2xHDMI 2.1, DisplayPort, Speaker, VESA Mountable, Bluelight Filter, Flickerless Technology

Acer Nitro 27in QHD 2560x1440 IPS 275Hz Gaming Monitor KG271U Z2bmiipx | 0.5ms, AMD FreeSync Premium, 2xHDMI 2.1, DisplayPort, Speaker, VESA Mountable, Bluelight Filter, Flickerless Technology

$169.99
🛒 Buy on Amazon — $169.99
vs
KOORUI 27 Inch QHD (2560x1440) IPS HDR Ultra-Thin Computer Gaming Monitor, 120Hz Refresh Rate, DCI-P3 95%, FreeSync & G-Sync, 1ms MPRT, VESA 100x100mm, Tilt Adjustable for Game and Work, E2721H

KOORUI 27 Inch QHD (2560x1440) IPS HDR Ultra-Thin Computer Gaming Monitor, 120Hz Refresh Rate, DCI-P3 95%, FreeSync & G-Sync, 1ms MPRT, VESA 100x100mm, Tilt Adjustable for Game and Work, E2721H

$189.99
🛒 Buy on Amazon — $189.99

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

Spec-by-spec

SpecAcer Nitro 27in QHD 2560x1440 IPS…KOORUI 27 Inch QHD (2560x1440) IPS HDR…
BrandAcerKOORUI
ColorBlackBlack
ShapeFlatFlat
Brightness250 candela_per_square_meter300 Nit
Model NameNitroE2721H
ResolutionQHD Wide 1440pQHD Wide 1440p
Unit Count1 Count1 Count
Screen Size27 inches27
Aspect Ratio16:916:9
Display TypeLCDLED
Model NumberKG271U Z2bmiipxE2721F
Refresh Rate275 hertz120 hertz
Adaptive SyncFreeSync PremiumFreeSync, G-Sync
Response Time0.5 milliseconds1 milliseconds

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