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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.

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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.

ASUS ROG Swift PG349Q
Higher ratedRanked #2 in Best Ultrawide Monitors
ASUS ROG Swift PG349Q
2 sourcesall derived$1,022.38as of Aug 1

Color accuracy and native G-Sync are what the ASUS ROG Swift PG349Q gets right, and they make it a solid mid-range ultrawide for gaming. The 1900R curvature and ergonomic stand help the sense of immersion. Holding it back: poor black uniformity and no HDR. It serves gaming and professional editing well enough, though older connectivity options and modest brightness keep it out of the premium tier.

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
$1,022.38 · Check Price on AmazonFull review →
Samsung Odyssey G9
Ranked #5 in Best Ultrawide Monitors
Samsung Odyssey G9
7 sources$1,999as of Aug 1

A 49-inch 1000R curved screen running at 240Hz makes the Samsung Odyssey G9 about as immersive as a monitor gets, which is why sim racing and flight sim enthusiasts gravitate to it. Its enormous size demands a dedicated setup, and the premium price limits it to the most committed gamers with the budget and the desk space to match.

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
$1,999 · Check Price on AmazonFull review →

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

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

SpecASUS ROG Swift PG349QSamsung Odyssey G9
Screen Size34 Inches49 inches
Resolution3440 x 1440 UW-QHD5120 x 1440
Panel TypeIn-Plane Switching (IPS)VA
Refresh Rate120Hz240Hz
Response Time5ms1ms (GtG)
Curvature1900R1000R
Color Gamut99% sRGB95% DCI-P3
Adaptive SyncAMD FreeSyncAMD FreeSync Premium Pro
← See the full ranking of best ultrawide monitors