Head-to-head · Best Ultrawide Monitors

ASUS ROG Swift PG349Q vs Samsung Odyssey G9

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

ASUS ROG Swift PG349Q comes out ahead by a narrow margin (4.5 vs 4.3). The gap is mostly about users needing native G-Sync and robust ergonomics on a budget — read the strengths below before deciding.

Higher ratedRanked #2 in Best Ultrawide Monitors

ASUS ROG Swift PG349Q

★★★★★4.5

$800

The ASUS ROG Swift PG349Q is a solid mid-range ultrawide gaming monitor that excels in color accuracy and offers native G-Sync support for smooth gameplay. While its 1900R curvature and ergonomic stand enhance the immersive experience, the display is held back by poor black uniformity and a lack of HDR capabilities. It serves well for both gaming and professional editing tasks, though its older connectivity options and modest brightness limit its premium appeal.

Strengths

— Image color accuracy remains consistent even when viewed at extreme angles
— Includes native Nvidia G-Sync support for smooth, tear-free gaming
— Ergonomic stand offers height, tilt, and swivel adjustments with a unique helix design

Watch-outs

— Suffers from poor black uniformity typical of IPS panels
— Lacks HDR support due to limited 300 nits brightness and 1000:1 contrast ratio
— Video connectivity is restricted to older DisplayPort 1.2 and HDMI 1.4 standards

$800 · Check Price on Amazon Full review →

Ranked #5 in Best Ultrawide Monitors

Samsung Odyssey G9

★★★★★4.3

$1,299

The Samsung Odyssey G9 offers an unparalleled immersive experience with its massive 49-inch 1000R curved screen and blistering 240Hz refresh rate, making it a top choice for sim racing and flight sim enthusiasts. However, its enormous physical size demands a dedicated setup, and the premium price tag limits its appeal to only the most dedicated gamers with the necessary budget and space.

Strengths

— Massive 49-inch 32:9 curved display creates an incredibly immersive gaming experience
— Ultra-fast 240Hz refresh rate ensures smooth motion with minimal blur
— 1000R curvature matches the natural field of view for deep immersion

Watch-outs

— Extremely large footprint requires a very deep desk and significant wall space
— High price point makes it inaccessible for most budget-conscious gamers

$1,299 · Check Price on Amazon Full review →

How they stack up

ASUS ROG Swift PG349Q

The ASUS ROG Swift PG349Q distinguishes itself with native G-Sync support and a unique ergonomic stand, offering a reliable experience that avoids the burn-in concerns of the Dell Alienware AW3423DW. However, it lags behind the LG 34GN850-B in modern connectivity and brightness, and it cannot compete with the deep contrast ratios found in the MSI Optix MAG342CQR or the Samsung Odyssey G9.

Samsung Odyssey G9

The Samsung Odyssey G9 dominates the list with its massive 49-inch 32:9 format and 240Hz refresh rate, offering an immersion level that the 34-inch models like the LG 34GN850-B and Dell Alienware AW3423DW simply cannot match. However, its enormous physical size and premium cost make it impractical for buyers who would be better served by the more compact and affordable MSI Optix MAG342CQR or the standard ultrawide form factor of the ASUS ROG Swift PG349Q.

Specs side-by-side

Spec	ASUS ROG Swift PG349Q	Samsung Odyssey G9
Screen Size	34 Inches	49 inches
Resolution	3440 x 1440 UW-QHD	—
Panel Technology	In-Plane Switching (IPS)	—
Refresh Rate	120Hz	240Hz
Response Time	5ms	—
Brightness	300 cd/m²	—
Contrast Ratio	1000:1	—
Curvature	1900R	1000R
Aspect Ratio	—	32:9
Panel Type	—	VA

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