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Compare ViewSonic VX2770Smh-LED vs ASUS ROG Strix OLED XG27UCDMG

ViewSonic VX2770Smh-LED and ASUS ROG Strix OLED XG27UCDMG are both monitors with the same Aspect Ratio (16:9) and Viewing Angle (178° H x 178° V). The main differences are in Screen Size, Resolution, Pixel Density and Dot Pitch.
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$799.00
Last updated 9 minutes ago.
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Pangoly Score (How do we rate?)
83
Pangoly Score (How do we rate?)
-
Brand
ViewSonic
Brand
ASUS
Model
VX2770Smh-LED
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
★★★★★
(100 reviews)
User reviews
Price history
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Pros
  • Accurate out-of-the-box colours
  • Good contrast
  • Wide viewing angles
Pros
-
Cons
  • Slow response time
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
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
250 cd/m²
Brightness
1000 cd/m²
Contrast Ratio
30,000,000:1
Contrast Ratio
-
Response Time
7 ms
Response Time
0.03 ms
Refresh Rate
75 Hz
Refresh Rate
240 Hz
Built-in Speakers
Yes
Built-in Speakers
No
DVI
1
DVI
0
DisplayPort
0
DisplayPort
1
HDMI
1
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 ViewSonic VX2770Smh-LED:

  • Bigger screen size (+0.50")
  • Built-in speakers
  • +1 Ports DVI
  • +1 Ports VGA

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Reasons to buy the ASUS ROG Strix OLED XG27UCDMG:

  • Higher Screen Resolution (3840 x 2160 pixel)
  • Better pixel density (166.26 PPI)
  • More brightness (+750 cd/m²)
  • Less response time (-6.97 ms)
  • Higher refresh rate (240 Hz)
  • +1 Display Port
  • +1 Ports HDMI
  • Supports NVIDIA G-Sync
  • Supports AMD FreeSync

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