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Head-to-head · Best Ultrawide Monitors

Dell Alienware AW3423DW 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

Dell Alienware AW3423DW comes out ahead by a narrow margin (4.4 vs 4.3). The gap is mostly about visual fidelity enthusiasts willing to manage burn-in risks — read the strengths below before deciding.

Dell Alienware AW3423DW
Higher ratedRanked #3 in Best Ultrawide Monitors
Dell Alienware AW3423DW
★★★★★4.4
$999

The Dell Alienware AW3423DW sets a new standard for gaming monitors with its stunning QD-OLED panel, offering perfect blacks, vibrant colors, and incredibly fast response times. While it excels in motion clarity and immersion, users must be mindful of potential burn-in risks and the absence of USB-C connectivity. It remains a top-tier choice for enthusiasts prioritizing visual fidelity over connectivity convenience.

Strengths
  • — Delivers perfect black levels and infinite contrast due to QD-OLED panel technology
  • — Features a 175Hz refresh rate with 0.1ms GtG response time for ultra-smooth gaming
  • — Offers a 3440x1440 resolution with a 21:9 aspect ratio and 1800R curvature
Watch-outs
  • — Lacks built-in USB-C connectivity with power delivery
  • — Susceptible to permanent image retention (burn-in) with static content over time
$999 · Check Price on AmazonFull review →
Samsung Odyssey G9
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 AmazonFull review →

How they stack up

Dell Alienware AW3423DW

The Dell Alienware AW3423DW sets a new visual standard with its QD-OLED panel, delivering perfect blacks and infinite contrast that completely overshadow the washed-out IPS blacks of the LG 34GN850-B and the VA panel limitations of the MSI Optix MAG342CQR. Although it shares the 34-inch ultrawide form factor with the ASUS ROG Swift PG349Q, it offers superior motion clarity and HDR performance, provided the user can accept the burn-in risk that the LCD-based alternatives avoid.

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

SpecDell Alienware AW3423DWSamsung Odyssey G9
Panel TypeQD-OLEDVA
Resolution3440 x 1440—
Refresh Rate175Hz240Hz
Response Time0.1ms GtG—
Aspect Ratio21:932:9
Screen Size—49 inches
Curvature—1000R
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