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Compare Acer Predator X39 bmiiphuzx vs ASUS ROG Strix OLED XG27UCDMG

Acer Predator X39 bmiiphuzx and ASUS ROG Strix OLED XG27UCDMG are both monitors with the same Viewing Angle (178° H x 178° V), Refresh Rate (240 Hz) and DisplayPort (1). The main differences are in Screen Size, Resolution, Pixel Density and Dot Pitch.
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$799.00
Last updated 22 minutes ago.
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Brand
acer
Brand
ASUS
Model
  • UM.TXXAA.001
  • X39 bmiiphuzx
Model
  • 90LM0B20-B01971
  • XG27UCDMG
  • ROG Strix OLED XG27UCDMG
  • 90LM0B20-B019B1
Release Date
📅 July 2024
Release Date
📅 August 2025
* First availability for purchase, it may not correspond to the actual market launch date.
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Price history
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Price history
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Screen Size
39"
Screen Size
26.5"
Resolution
3440 x 1440
Resolution
3840 x 2160
Pixel Density
95.62 PPI
Pixel Density
166.26 PPI
Dot Pitch
0.26 mm
Dot Pitch
0.15 mm
Panel Type
OLED
Panel Type
QD-OLED
Widescreen
Yes
Widescreen
Yes
Aspect Ratio
21:9
Aspect Ratio
16:9
Curved Screen
Yes
Curved Screen
No
Viewing Angle
178° H x 178° V
Viewing Angle
178° H x 178° V
Brightness
1300 cd/m²
Brightness
1000 cd/m²
Response Time
0.01 ms
Response Time
0.03 ms
Refresh Rate
240 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
No
G-SYNC Support
Yes
FreeSync Support
Yes
FreeSync Support
Yes
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Comparison and key differences summary

Reasons to buy the Acer Predator X39 bmiiphuzx:

  • Bigger screen size (+12.50")
  • More brightness (+300 cd/m²)
  • Less response time (-0.02 ms)
  • Curved screen
  • Built-in speakers

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Reasons to buy the ASUS ROG Strix OLED XG27UCDMG:

  • 50% cheaper, you can save $800.99
  • Newer Product, it was released around 13 months later
  • Higher Screen Resolution (3840 x 2160 pixel)
  • Better pixel density (166.26 PPI)
  • Flat screen
  • Supports NVIDIA G-Sync

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