3DMark 06 is the worldwide standard in advanced 3D game performance benchmarking. The software uses advanced real-time 3D game workloads to measure PC performance using a suite of DirectX 9 3D graphics tests, CPU tests, and 3D feature tests. 3DMark06 tests include all new HDR/SM3.0 graphics tests, SM2.0 graphics tests, AI and physics driven single and multiple cores or processor CPU tests and a collection of comprehensive feature tests.

The Asus Rampage Extreme had the lowest index scores here.

With Crysis, the Asus Rampage Extreme performed better and got the second highest score behind the Asus StrikerII Extreme.

In the Unreal Tournament 3 demo the Asus Rampage Extreme got the best score.