LG Ultragear 27GX790B-B vs ASRock PG27Q15R2A Monitor Comparison

LG Ultragear 27GX790B-B and ASRock PG27Q15R2A are both monitors with the same Screen Size (27"), Resolution (2560 x 1440) and Pixel Density (108.79 PPI). The main differences are in Panel Type, Curved Screen, Brightness and Response Time.

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LG Ultragear 27GX790B-B	ASRock PG27Q15R2A
Prices (Change region) In Stock $994.99 Last updated 15 minutes ago. In Stock Free shipping $999.99 In Stock $999.99 In Stock $999.99 In Stock Free shipping $999.99 Show 2 more offers	Prices (Change region) Out of Stock $144.32 Out of Stock + $14.41 Shipping $209.99
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Brand LG	Brand ASRock
Model 27GX790B-B	Model PG27Q15R2A
Release Date 📅 December 2025	Release Date 📅 January 2023
* 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 27"	Screen Size 27"
Resolution 2560 x 1440	Resolution 2560 x 1440
Pixel Density 108.79 PPI	Pixel Density 108.79 PPI
Dot Pitch 0.23 mm	Dot Pitch 0.23 mm
Panel Type WOLED Tandem	Panel Type VA
Widescreen Yes	Widescreen Yes
Aspect Ratio 16:9	Aspect Ratio 16:9
Curved Screen No	Curved Screen Yes
Viewing Angle 178° H x 178° V	Viewing Angle 178° H x 178° V
Brightness 335 cd/m²	Brightness 550 cd/m²
Contrast Ratio -	Contrast Ratio 4000:1
Response Time 0.02 ms	Response Time 1 ms
Refresh Rate 540 Hz	Refresh Rate 165 Hz
Built-in Speakers No	Built-in Speakers Yes
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