AMD Provides Performance Figures for Thief's Mantle Patch

Paul Lilly

A look at the numbers

AMD can talk about the benefits of its Mantle API until it's blue in the face, but what gamers really want to know is how the numbers work out once all the dust settles. To address those folks, the Sunnyvale chip designer sent us a handful of examples of performance boosts today's upcoming Mantle patch for Thief will bring to gamers , based on AMD's own internal testing.

A quick note before diving in: AMD focused on gamers who own "reasonably-priced CPUs," those being chips in the neighborhood of $150 to $250. These were then paired with what AMD considers sensible GPUs for each setup.

System 1

  • AMD FX-8350
  • AMD Radeon R9 280X
  • 1080p, maximum settings
  • 19 percent performance uplift with Mantle (45->53.8 fps)

System 2

  • AMD FX-8350
  • AMD Radeon R9 290X
  • 1080p, maximum settings
  • 49 percent performance uplift with Mantle (46->69.6 fps)

System 3

  • Intel Core i5 4670K
  • AMD Radeon R9 280X
  • 1080p, maximum settings
  • 5 percent performance uplift with Mantle (52.6->55.2 fps)

System 4

  • AMD A10-7700K
  • AMD Radeon R7 260X
  • 1080p, high settings
  • 23 percent performance uplift with Mantle (28->34.6 fps)

While AMD didn't provide benchmarks for "ultra-high end" systems, the company says even those rigs stand to gain around 5-10 percent better performance with Mantle. What's perhaps more interesting is the impact the Mantle patch demonstrated on System 4 above -- it went from being borderline unplayable to playable.

As we reported yesterday , today's patch will also make Thief the first TrueAudio-enabled game. AMD says TrueAudio will be utilized to calculate an effected "convolution reverb," which is a technique that mathematically simulates the echoes of a real-life location.

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