ASUS ROG Strix OLED XG27UCDMG vs LG 27UL650-W 27" Monitor Comparison

ASUS ROG Strix OLED XG27UCDMG and LG 27UL650-W 27" are both monitors with the same Resolution (3840 x 2160), Dot Pitch (0.15 mm) and Aspect Ratio (16:9). The main differences are in Screen Size, Pixel Density, Panel Type and Brightness.

Save comparison

ASUS ROG Strix OLED XG27UCDMG	LG 27UL650-W 27"
Prices (Change region) In Stock $799.00 Last updated 39 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	Prices (Change region) Out of Stock Free shipping $446.99 Out of Stock Free shipping $449.99 Out of Stock + $39.99 Shipping $560.54 Out of Stock $634.95 - Buy now 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 ASUS	Brand LG
Model 90LM0B20-B01971 XG27UCDMG ROG Strix OLED XG27UCDMG 90LM0B20-B019B1	Model 27UL650-W
Release Date 📅 August 2025	Release Date 📅 January 2019
* 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 26.5"	Screen Size 27"
Resolution 3840 x 2160	Resolution 3840 x 2160
Pixel Density 166.26 PPI	Pixel Density 163.18 PPI
Dot Pitch 0.15 mm	Dot Pitch 0.15 mm
Panel Type QD-OLED	Panel Type IPS
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 1000 cd/m²	Brightness 350 cd/m²
Response Time 0.03 ms	Response Time 5 ms
Refresh Rate 240 Hz	Refresh Rate 60 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 Yes	G-SYNC Support No
FreeSync Support Yes	FreeSync Support Yes