Compare Monitors

Compare KOORUI 27E3QK vs ASUS ROG Strix OLED XG27UCDMG

KOORUI 27E3QK and ASUS ROG Strix OLED XG27UCDMG are both monitors with the same Aspect Ratio (16:9), Viewing Angle (178° H x 178° V) and Refresh Rate (240 Hz). The main differences are in Screen Size, Resolution, Pixel Density and Dot Pitch.
Save comparison
Prices
(Change region)
Prices
(Change region)
In Stock
$799.00
Last updated 7 minutes ago.
In Stock
Free shipping
In Stock
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
KOORUI
Brand
ASUS
Model
27E3QK
Model
  • 90LM0B20-B01971
  • XG27UCDMG
  • ROG Strix OLED XG27UCDMG
  • 90LM0B20-B019B1
Release Date
📅 December 2023
Release Date
📅 August 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
View Details ►
Price history
View Details ►
Screen Size
27"
Screen Size
26.5"
Resolution
2560 x 1440
Resolution
3840 x 2160
Pixel Density
108.79 PPI
Pixel Density
166.26 PPI
Dot Pitch
0.23 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
0 cd/m²
Brightness
1000 cd/m²
Response Time
1 ms
Response Time
0.03 ms
Refresh Rate
240 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
-

Comparison and key differences summary

Reasons to buy the KOORUI 27E3QK:

  • Bigger screen size (+0.50")

Buy now

Reasons to buy the ASUS ROG Strix OLED XG27UCDMG:

  • Newer Product, it was released around 20 months later
  • Higher Screen Resolution (3840 x 2160 pixel)
  • Better pixel density (166.26 PPI)
  • More brightness (+1000 cd/m²)
  • Less response time (-0.97 ms)
  • Supports NVIDIA G-Sync

Buy now

Have you found incorrect information on this page? Contact us and we will fix it as soon as possible.

Trending comparisons (Monitors)

x