Batman Arkham Asylum
Batman: Arkham Asylum is an action-adventure stealth video game based on DC Comics' Batman for PlayStation 3, Xbox 360 and Microsoft Windows. It was developed by Rocksteady Studios and published by Eidos Interactive in conjunction with Warner Bros.
For our testing we set everything as high as it would go, except for PhysX and NVIDIA Multi Sample Anti-Aliasing, which were both disabled.
Benchmark results: The HIS Radeon HD5870 easily dominated all the single cards, and gave a solid performance overall.