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Compare Acer Nitro XV340CK Pbmiipphzx 34" vs ASUS ROG Strix OLED XG27UCDMG

Acer Nitro XV340CK Pbmiipphzx 34" and ASUS ROG Strix OLED XG27UCDMG are both monitors with the same Viewing Angle (178° H x 178° V) and HDMI (2). The main differences are in Screen Size, Resolution, Pixel Density and Dot Pitch.
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Brand
Acer
Brand
ASUS
Model
XV340CK Pbmiipphzx
Model
  • 90LM0B20-B01971
  • XG27UCDMG
  • ROG Strix OLED XG27UCDMG
  • 90LM0B20-B019B1
Release Date
📅 July 2020
Release Date
📅 August 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
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Price history
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Screen Size
34"
Screen Size
26.5"
Resolution
3440 x 1440
Resolution
3840 x 2160
Pixel Density
109.68 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
21:9
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
250 cd/m²
Brightness
1000 cd/m²
Response Time
1 ms
Response Time
0.03 ms
Refresh Rate
144 Hz
Refresh Rate
240 Hz
Built-in Speakers
Yes
Built-in Speakers
No
DVI
0
DVI
0
DisplayPort
2
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 Acer Nitro XV340CK Pbmiipphzx 34":

  • 50% cheaper, you can save $399.01
  • Bigger screen size (+7.50")
  • Built-in speakers
  • +1 Display Port

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Reasons to buy the ASUS ROG Strix OLED XG27UCDMG:

  • Newer Product, it was released around 5 years later
  • Higher Screen Resolution (3840 x 2160 pixel)
  • Better pixel density (166.26 PPI)
  • More brightness (+750 cd/m²)
  • Less response time (-0.97 ms)
  • Higher refresh rate (240 Hz)
  • Supports NVIDIA G-Sync

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