MSI MAG401QR vs ASUS ROG Strix OLED XG27UCDMG Monitor Comparison

MSI MAG401QR and ASUS ROG Strix OLED XG27UCDMG are both monitors with the same Viewing Angle (178° H x 178° V), DisplayPort (1) and HDMI (2). The main differences are in Screen Size, Resolution, Pixel Density and Dot Pitch.

Save comparison

MSI MAG401QR	ASUS ROG Strix OLED XG27UCDMG
Prices (Change region) In Stock $289.99 Last updated 23 minutes ago. In Stock Free shipping $399.99 In Stock Free shipping $399.99 In Stock $399.99 In Stock Free shipping $424.99 Show 2 more offers	Prices (Change region) In Stock $799.00 Last updated 25 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 MSI	Brand ASUS
Model MAG401QR	Model 90LM0B20-B01971 XG27UCDMG ROG Strix OLED XG27UCDMG 90LM0B20-B019B1
Release Date 📅 February 2023	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 40"	Screen Size 26.5"
Resolution 3440 x 1440	Resolution 3840 x 2160
Pixel Density 93.23 PPI	Pixel Density 166.26 PPI
Dot Pitch 0.27 mm	Dot Pitch 0.15 mm
Panel Type IPS	Panel Type QD-OLED
Widescreen Yes	Widescreen Yes
Aspect Ratio 21:9	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 400 cd/m²	Brightness 1000 cd/m²
Response Time -	Response Time 0.03 ms
Response Time MPRT 1 ms	Response Time MPRT -
Refresh Rate 155 Hz	Refresh Rate 240 Hz
Built-in Speakers No	Built-in Speakers No
DVI 0	DVI 0
DisplayPort 1	DisplayPort 1
HDMI 2	HDMI 2
VGA 0	VGA 0
G-SYNC Support No	G-SYNC Support Yes
FreeSync Support Yes	FreeSync Support Yes