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Compare Asus ROG Swift PG349Q 34" vs ROG Strix OLED XG27UCDMG

Asus ROG Swift PG349Q 34" and ASUS ROG Strix OLED XG27UCDMG are both monitors with the same Viewing Angle (178° H x 178° V) and DisplayPort (1). The main differences are in Screen Size, Resolution, Pixel Density and Dot Pitch.

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Asus ROG Swift PG349Q 34"

ASUS ROG Strix OLED XG27UCDMG

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Brand

ASUS

Brand

ASUS

Model

PG349Q

Model

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

Release Date

📅 June 2019

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

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

Yes

Curved Screen

No

Viewing Angle

178° H x 178° V

Viewing Angle

178° H x 178° V

Brightness

300 cd/m²

Brightness

1000 cd/m²

Response Time

4 ms

Response Time

0.03 ms

Refresh Rate

120 Hz

Refresh Rate

240 Hz

Built-in Speakers

Yes

Built-in Speakers

No

DVI

0

DVI

0

DisplayPort

1

DisplayPort

1

HDMI

1

HDMI

2

VGA

0

VGA

0

G-SYNC Support

Yes

G-SYNC Support

Yes

FreeSync Support

No

FreeSync Support

Yes

Options (6)

	24" 180Hz $399.99
	27" 165Hz $999.80
	27" Curved 165Hz
	24.5" 240Hz
	34" IPS 100Hz
	27" IPS 165Hz $1,251.11

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Comparison and key differences summary

Reasons to buy the Asus ROG Swift PG349Q 34":

Bigger screen size (+7.50")
Curved screen
Built-in speakers

Reasons to buy the ASUS ROG Strix OLED XG27UCDMG:

Newer Product, it was released around 6 years later
Higher Screen Resolution (3840 x 2160 pixel)
Better pixel density (166.26 PPI)
More brightness (+700 cd/m²)
Less response time (-3.97 ms)
Higher refresh rate (240 Hz)
Flat screen
+1 Ports HDMI
Supports AMD FreeSync

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