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Compare ASUS ROG Strix OLED XG27UCDMG vs Acer Nitro VG280K bmiipx

ASUS ROG Strix OLED XG27UCDMG and Acer Nitro VG280K bmiipx are both monitors with the same Resolution (3840 x 2160), Aspect Ratio (16:9) and Viewing Angle (178° H x 178° V). The main differences are in Screen Size, Pixel Density, Dot Pitch and Panel Type.
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Brand
ASUS
Brand
Acer
Model
  • 90LM0B20-B01971
  • XG27UCDMG
  • ROG Strix OLED XG27UCDMG
  • 90LM0B20-B019B1
Model
UM.PV0AA.001
Release Date
📅 August 2025
Release Date
-
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
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Screen Size
26.5"
Screen Size
28"
Resolution
3840 x 2160
Resolution
3840 x 2160
Pixel Density
166.26 PPI
Pixel Density
157.35 PPI
Dot Pitch
0.15 mm
Dot Pitch
0.16 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
300 cd/m²
Response Time
0.03 ms
Response Time
4 ms
Refresh Rate
240 Hz
Refresh Rate
60 Hz
Built-in Speakers
No
Built-in Speakers
Yes
DVI
0
DVI
0
DisplayPort
1
DisplayPort
1
HDMI
2
HDMI
0
VGA
0
VGA
0
G-SYNC Support
Yes
G-SYNC Support
No
FreeSync Support
Yes
FreeSync Support
Yes

Comparison and key differences summary

Reasons to buy the ASUS ROG Strix OLED XG27UCDMG:

  • Better pixel density (166.26 PPI)
  • More brightness (+700 cd/m²)
  • Less response time (-3.97 ms)
  • Higher refresh rate (240 Hz)
  • +2 Ports HDMI
  • Supports NVIDIA G-Sync

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Reasons to buy the Acer Nitro VG280K bmiipx:

  • 63% cheaper, you can save $501.01
  • Bigger screen size (+1.50")
  • Built-in speakers

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