AMD Radeon R9 290X: Mantle vs Direct3D 11 in Several Games

[JeGX]

In this series we'll be looking at the benefits of AMD's Mantle API over Microsoft's DirectX 11.
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This is a five part series; in part 1 we'll be looking at the performance of AMD's flagship single GPU the Radeon R9 290X.
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Clearly Mantle offers current Radeon R9 290X owners an easy way to boost the performance of their hardware for free. That's good news for those users that purchased their hardware with the belief that Mantle enabled games would eventually come this far into the mainstream. It's also good news for AMD and its partners in the video game industry who have stacked up quite a bit of support for this API.

Link: http://semiaccurate.com/2014/11/17/mantle-showdown-part-1/