Version and / or Patch Used: 1.1
Developer Homepage: http://www.futuremark.com
Product Homepage: http://www.3dmark.com/3dmark11/
3DMark 11 is the latest version of the world's most popular benchmark. Designed to measure your PC's gaming performance, 3DMark 11 makes extensive use of all the new features in DirectX 11 including tessellation, compute shaders, and multi-threading. Trusted by gamers worldwide to give accurate and unbiased results, 3DMark 11 is the best way to consistently and reliably test DirectX 11 under game-like loads.
Out the gate with 3DMark 11 you can see the HIS R9 270 IceQ X2 2GB does a good job of sitting between the two models that sit on either side of it. It doesn't lean too heavily to one side, which is good.