Acer BL280K bmiiprx vs ASUS ROG Strix OLED XG27UCDMG Monitor Comparison

Acer BL280K bmiiprx and ASUS ROG Strix OLED XG27UCDMG are both monitors with the same Resolution (3840 x 2160), Aspect Ratio (16:9) and Viewing Angle (178° H x 178° V). The main differences are in Screen Size, Pixel Density, Dot Pitch and Panel Type.

Save comparison

Acer BL280K bmiiprx	ASUS ROG Strix OLED XG27UCDMG
Prices (Change region) Out of Stock + $5.99 Shipping $301.99 Out of Stock Free shipping $319.41	Prices (Change region) In Stock $799.00 Last updated 55 minutes ago. In Stock Free shipping $799.00 In Stock $849.99 In Stock $979.00 In Stock Free shipping $984.99 Show 2 more offers
* Pangoly may earn a commission when you use one of the links to make a purchase. (Disclosure) * Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.
Brand Acer	Brand ASUS
Model UM.PB0AA.003	Model 90LM0B20-B01971 XG27UCDMG ROG Strix OLED XG27UCDMG 90LM0B20-B019B1
Release Date 📅 March 2022	Release Date 📅 August 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Screen Size 28"	Screen Size 26.5"
Resolution 3840 x 2160	Resolution 3840 x 2160
Pixel Density 157.35 PPI	Pixel Density 166.26 PPI
Dot Pitch 0.16 mm	Dot Pitch 0.15 mm
Panel Type IPS	Panel Type QD-OLED
Widescreen Yes	Widescreen Yes
Aspect Ratio 16:9	Aspect Ratio 16:9
Curved Screen No	Curved Screen No
Viewing Angle 178° H x 178° V	Viewing Angle 178° H x 178° V
Brightness 300 cd/m²	Brightness 1000 cd/m²
Contrast Ratio 1,000:1	Contrast Ratio -
Response Time 4 ms	Response Time 0.03 ms
Refresh Rate 60 Hz	Refresh Rate 240 Hz
Built-in Speakers Yes	Built-in Speakers No
DVI 0	DVI 0
DisplayPort 1	DisplayPort 1
HDMI 1	HDMI 2
VGA 0	VGA 0
G-SYNC Support No	G-SYNC Support Yes
FreeSync Support Yes	FreeSync Support Yes