AMD Radeon RX 6900 XT: 3440×1440 ultrawide benchmarks


The Radeon RX 6900 XT is finally here and it is magnificent, as you’d expect from a graphics card that costs a staggering four figures. At $1,000, AMD’s first enthusiast-class gaming flagship doesn’t come cheap—but it’s a lot cheaper than its primary competition, the $1,500 GeForce RTX 3090. The Radeon RX 6900 XT wins some and loses some depending on the game, but overall, it’s 9 percent slower than the GeForce RTX 3090 at 4K resolution across our testing suite, while a mere 2 percent slower at 1440p.  

How does it hang at 3440×1440 ultrawide gaming, which essentially splits the difference between 4K and 1440p? Very, very well. Let’s dig in.

Other Radeon RX 6000-series information:

Radeon RX 6900 XT 3440×1440 ultrawide benchmarks

We conducted our tests on the $550, 144Hz Nixeus EDG34S monitor we’ve used for prior ultrawide testing. It’s an outstanding value for the price, if a bit short on features, and the display supports AMD’s FreeSync Premium adaptive sync technology. You’ll need to use the monitor’s on-screen display to activate adaptive sync first, however.

Here’s a list of what’s inside our GPU test system, which was built to minimize potential bottlenecking in other components, putting the full brunt of the tests on the graphics card itself:

  • Intel Core i7-8700K processor
  • EVGA CLC 240 closed-loop liquid cooler ($105 on Amazon)
  • Asus Maximus X Hero motherboard
  • 64GB HyperX Predator RGB DDR4/2933 ($355 on Amazon)
  • EVGA 1200W SuperNova P2 power supply ($352 on Amazon)
  • Corsair Crystal 570X RGB case, with front and top panels removed and an extra rear fan installed for improved airflow
  • 2x 500GB Samsung 860 EVO SSDs ($57 each on Amazon)

Each game is tested using its in-game benchmark at the highest possible graphics presets unless otherwise noted, with VSync, frame rate caps, real-time ray tracing or DLSS effects, and FreeSync/G-Sync disabled, along with any other vendor-specific technologies like FidelityFX or Hairworks. We’ve also enabled temporal anti-aliasing (TAA) when it’s available. Check out our full Radeon RX 6900 XT review for deeper insight into our methodology.

We’ll present the raw benchmark results after introducing each game. Skip to the end for deeper performance analysis.

Watch Dogs: Legion

Watch Dogs: Legion is one of the first games to debut on next-gen consoles. Ubisoft upgraded its Disrupt engine to include cutting-edge features like real-time ray tracing and Nvidia’s DLSS. We disable those effects for this testing, but Legion remains a strenuous game even on high-end hardware with its optional high-resolution texture pack installed. No card can maintain a 60 frames-per-second average with Ultra graphics options enabled, and the game allocates more than 8GB of memory even at 1440p. Oof.



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