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Compare ASUS VS278Q-P vs ROG Strix OLED XG27UCDMG

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  3. ASUS VS278Q-P 🆚 ASUS ROG Strix OLED XG27UCDMG
ASUS VS278Q-P and ASUS ROG Strix OLED XG27UCDMG are both monitors with the same Aspect Ratio (16:9), DisplayPort (1) and HDMI (2). The main differences are in Screen Size, Resolution, Pixel Density and Dot Pitch.
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ASUS VS278Q-P 27-Inch Full-HD 1ms TN LED
ASUS VS278Q-P
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
$119.00
Out of Stock
Free shipping
$189.99
-
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Prices
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In Stock
$799.00
Last updated 20 minutes ago.
In Stock
Free shipping
$799.00
In Stock
$849.99
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Pangoly Score (How do we rate?)
80
Pangoly Score (How do we rate?)
-
Brand
ASUS
Brand
ASUS
Model
VS278Q-P
Model
  • 90LM0B20-B01971
  • XG27UCDMG
  • ROG Strix OLED XG27UCDMG
  • 90LM0B20-B019B1
Release Date
📅 September 2018
Release Date
📅 August 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★★
(386 reviews)
User reviews
Price history
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Price history
View Details ►
Pros
  • Very fast response time
  • 2x HDMI and DisplayPort
  • Good colours and contrast
Pros
-
Cons
  • Poor adjustability
  • Tight viewing angles
  • No DVI input
Cons
-
Screen Size
27"
Screen Size
26.5"
Resolution
1920 x 1080
Resolution
3840 x 2160
Pixel Density
81.59 PPI
Pixel Density
166.26 PPI
Dot Pitch
0.31 mm
Dot Pitch
0.15 mm
Panel Type
TN
Panel Type
QD-OLED
Widescreen
Yes
Widescreen
Yes
Aspect Ratio
16:9
Aspect Ratio
16:9
Curved Screen
No
Curved Screen
No
Viewing Angle
170° H x 160° V
Viewing Angle
178° H x 178° V
Display Colors
16700000
Display Colors
-
Brightness
300 cd/m²
Brightness
1000 cd/m²
Contrast Ratio
80,000,000:1
Contrast Ratio
-
Response Time
1 ms
Response Time
0.03 ms
Refresh Rate
75 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
1
VGA
0
G-SYNC Support
No
G-SYNC Support
Yes
FreeSync Support
No
FreeSync Support
Yes
-

Comparison and key differences summary

Reasons to buy the ASUS VS278Q-P:

  • 85% cheaper, you can save $680.00
  • Bigger screen size (+0.50")
  • Built-in speakers
  • +1 Ports VGA

Buy now

Reasons to buy the ASUS ROG Strix OLED XG27UCDMG:

  • Newer Product, it was released around 7 years later
  • Higher Screen Resolution (3840 x 2160 pixel)
  • Better pixel density (166.26 PPI)
  • More brightness (+700 cd/m²)
  • Less response time (-0.97 ms)
  • Higher refresh rate (240 Hz)
  • Better viewing angle
  • Supports NVIDIA G-Sync
  • Supports AMD FreeSync

Buy now

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