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8 documented differences · 2 details to confirm

OLED monitor specifications, current offers and purchase limits
Specification	AOCAGP277QKD Price not verified Stock not verified View at Walmart	ASUSPG27AQWP-G $1,199.00 In stock at Amazon Checked Oct 23, 9:00 AM ET. Price details Check price on Amazon	AcerUM.GXXAA.501 $549.99 In stock at Amazon Checked Oct 23, 9:00 AM ET. Price details Check price on Amazon
Screen and display modes
Screen size	26.5 inches	26.5 inches	26.5 inches
Native resolution and refresh	2560 × 1440 at 540Hz. QHD at 540Hz. HDMI requires DSC for the fastest modes; DisplayPort supports UHBR20.	2560 × 1440 at 540Hz	2560 × 1440 at 500Hz
Panel technology	WOLED	WOLED	QD-OLED
Screen format	Standard	Standard	Standard
Lower-resolution modes	1280 × 720 at 720Hz (Reduced HD mode.)	1280 × 720 at 720Hz (Dual mode)	No additional mode documented
Connections and charging
Documented inputs	HDMI 2.1 × 2, DisplayPort 2.1 UHBR20, USB-A hub × 3	DisplayPort 2.1a, HDMI 2.1	HDMI 2.1, DisplayPort
USB-C video	No	No	Yes
USB-C charging	0W	0W	65W
KVM switch	Yes	No	Yes
Everyday use
Curvature	Flat	Flat	Flat
Screen coating	Anti-glare	Glossy	Glossy
Built-in speakers	Yes	No	Yes
Warranty
Burn-in coverage	Not confirmed	Covered for 3 years, subject to warranty termsWarranty terms ↗	Covered for 3 years, subject to warranty termsWarranty terms ↗

Before you choose.

The 720Hz mode uses 1280 × 720. Native 2560 × 1440 reaches 540Hz. This is a different model from the AGP277QKDC.

AOC recommends DisplayPort for NVIDIA graphics cards because of HDMI compatibility issues on this model.

Lower-resolution modes: 1280 × 720 at 720Hz (Reduced HD mode.).

Sources and product image

The Edition 20 is a separate reference from PG27AQWP-W. Its 720Hz mode uses 1280 × 720; native QHD reaches 540Hz.

Lower-resolution modes: 1280 × 720 at 720Hz (Dual mode).

Sources and product image

USB-C carries video and supplies up to 65W. Compare that with your computer's charging needs.

Sources and product image

Prices are in USD, before tax. A model remains in your comparison when its stock changes. About prices and stock →