Compare Monitors

Compare ViewSonic XG2431 vs ASUS ROG Strix OLED XG27UCDMG

ViewSonic XG2431 and ASUS ROG Strix OLED XG27UCDMG are both monitors with the same Aspect Ratio (16:9), Viewing Angle (178° H x 178° V) and Refresh Rate (240 Hz). The main differences are in Screen Size, Resolution, Pixel Density and Dot Pitch.

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ViewSonic XG2431

ASUS ROG Strix OLED XG27UCDMG

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Brand

ViewSonic

Brand

ASUS

Model

XG2431

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.

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Screen Size

24"

Screen Size

26.5"

Resolution

1920 x 1080

Resolution

3840 x 2160

Pixel Density

91.79 PPI

Pixel Density

166.26 PPI

Dot Pitch

0.27 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

350 cd/m²

Brightness

1000 cd/m²

Contrast Ratio

DCR 80,000,000:1 (1,000:1)

Contrast Ratio

-

Response Time

1 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

Options (4)

	24-Inch 1080p 144Hz $344.90
	27-Inch 1440p 144Hz $239.99
	27-Inch 1080p 144Hz $159.99
	24-Inch 1080p 144Hz RGB $159.99

-

Comparison and key differences summary

Reasons to buy the ViewSonic XG2431:

70% cheaper, you can save $559.01
Built-in speakers

Reasons to buy the ASUS ROG Strix OLED XG27UCDMG:

Bigger screen size (+2.50")
Higher Screen Resolution (3840 x 2160 pixel)
Better pixel density (166.26 PPI)
More brightness (+650 cd/m²)
Less response time (-0.97 ms)
Supports NVIDIA G-Sync

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