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Compare LG 34UC79G-B vs ASUS ROG Strix OLED XG27UCDMG

LG 34UC79G-B and ASUS ROG Strix OLED XG27UCDMG are both monitors with the same Viewing Angle (178° H x 178° V), DisplayPort (1) and HDMI (2). The main differences are in Screen Size, Resolution, Pixel Density and Dot Pitch.

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LG 34UC79G-B

ASUS ROG Strix OLED XG27UCDMG

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Brand

LG

Brand

ASUS

Model

34UC79G-B

Model

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

Release Date

📅 September 2016

Release Date

📅 August 2025

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

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Screen Size

34"

Screen Size

26.5"

Resolution

2560 x 1080

Resolution

3840 x 2160

Pixel Density

81.72 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

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

Display Colors

16700000

Display Colors

-

Brightness

250 cd/m²

Brightness

1000 cd/m²

Contrast Ratio

DFC Mega (1,000:1)

Contrast Ratio

-

Response Time

5 ms

Response Time

0.03 ms

Refresh Rate

144 Hz

Refresh Rate

240 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

No

G-SYNC Support

Yes

FreeSync Support

Yes

FreeSync Support

Yes

Options (1)

LG 34GK950F-B 34"

34 " Curved WQHD with HDR 400 and FreeSync 2
$896.99

-

Comparison and key differences summary

Reasons to buy the LG 34UC79G-B:

14% cheaper, you can save $109.05
Bigger screen size (+7.50")
Curved screen

Reasons to buy the ASUS ROG Strix OLED XG27UCDMG:

Newer Product, it was released around 9 years later
Higher Screen Resolution (3840 x 2160 pixel)
Better pixel density (166.26 PPI)
More brightness (+750 cd/m²)
Less response time (-4.97 ms)
Higher refresh rate (240 Hz)
Flat screen
Supports NVIDIA G-Sync

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