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Compare ViewSonic ELITE XG270Q vs ASUS ROG Strix OLED XG27UCDMG

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  3. ViewSonic ELITE XG270Q 🆚 ASUS ROG Strix OLED XG27UCDMG
ViewSonic ELITE XG270Q and ASUS ROG Strix OLED XG27UCDMG are both monitors with the same Aspect Ratio (16:9), Viewing Angle (178° H x 178° V) and DisplayPort (1). The main differences are in Screen Size, Resolution, Pixel Density and Dot Pitch.
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ViewSonic ELITE XG270Q 27" 1ms 1440p 165Hz G-SYNC Compatible VESA DisplayHDR 400
ViewSonic ELITE XG270Q
ASUS ROG Strix OLED XG27UCDMG 27" 4K QD-OLED 240Hz 0.03ms Anti-Flicker 2.0 Custom Heatsink 99% DCI-P3 True 10-bit Color 90LM0B20-B01971
ASUS ROG Strix OLED XG27UCDMG
Prices
(Change region)
Out of Stock
Free shipping
$259.99
Out of Stock
+ $12.99 Shipping
$259.99
Out of Stock
Free shipping
$399.99
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Prices
(Change region)
In Stock
$799.00
Last updated 10 minutes ago.
In Stock
Free shipping
$799.00
In Stock
$849.99
Show 2 more offers
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* 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
ViewSonic
Brand
ASUS
Model
XG270Q
Model
  • 90LM0B20-B01971
  • XG27UCDMG
  • ROG Strix OLED XG27UCDMG
  • 90LM0B20-B019B1
Release Date
-
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
400 cd/m²
Brightness
1000 cd/m²
Contrast Ratio
1,000:1
Contrast Ratio
-
Response Time
1 ms
Response Time
0.03 ms
Refresh Rate
165 Hz
Refresh Rate
240 Hz
Built-in Speakers
Yes
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
Yes
FreeSync Support
No
FreeSync Support
Yes
-

Comparison and key differences summary

Reasons to buy the ViewSonic ELITE XG270Q:

  • 67% cheaper, you can save $539.01
  • Bigger screen size (+0.50")
  • Built-in speakers

Buy now

Reasons to buy the ASUS ROG Strix OLED XG27UCDMG:

  • Higher Screen Resolution (3840 x 2160 pixel)
  • Better pixel density (166.26 PPI)
  • More brightness (+600 cd/m²)
  • Less response time (-0.97 ms)
  • Higher refresh rate (240 Hz)
  • Supports AMD FreeSync

Buy now

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