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Compare ASUS ROG Strix OLED XG27UCDMG vs LG 24UD58-B

ASUS ROG Strix OLED XG27UCDMG and LG 24UD58-B 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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ASUS ROG Strix OLED XG27UCDMG

LG 24UD58-B

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Brand

ASUS

Brand

LG

Model

90LM0B20-B01971
XG27UCDMG
ROG Strix OLED XG27UCDMG
90LM0B20-B019B1

Model

24UD58-B

Release Date

📅 August 2025

Release Date

-

* First availability for purchase, it may not correspond to the actual market launch date.

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Screen Size

26.5"

Screen Size

23.8"

Resolution

3840 x 2160

Resolution

3840 x 2160

Pixel Density

166.26 PPI

Pixel Density

185.12 PPI

Dot Pitch

0.15 mm

Dot Pitch

0.13 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

250 cd/m²

Contrast Ratio

-

Contrast Ratio

Mega

Response Time

0.03 ms

Response Time

5 ms

Refresh Rate

240 Hz

Refresh Rate

60 Hz

Built-in Speakers

No

Built-in Speakers

No

DVI

0

DVI

0

DisplayPort

1

DisplayPort

1

HDMI

2

HDMI

2

VGA

0

VGA

0

G-SYNC Support

Yes

G-SYNC Support

No

FreeSync Support

Yes

FreeSync Support

Yes

-

Options (1)

27 Inch
$339.99

Comparison and key differences summary

Reasons to buy the ASUS ROG Strix OLED XG27UCDMG:

Bigger screen size (+2.70")
More brightness (+750 cd/m²)
Less response time (-4.97 ms)
Higher refresh rate (240 Hz)
Supports NVIDIA G-Sync

Reasons to buy the LG 24UD58-B:

66% cheaper, you can save $529.01
Better pixel density (185.12 PPI)

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