Aliens vs. Predator D3D11 Benchmark is a standalone benchmark test based upon Rebellion's 2010 inter-species shooter Aliens vs. Predator. In addition to other DX11 eye candy, the test also heavily relies on tessellation.
Aliens vs Predator with XFX HD 7850 Black Edition
API: DirectX 11
Quality: Very High
Resolution: 1920x1080
Anti-Aliasing: 4X
Anisotropic Filtering 16X
Texture Quality: Very High
Shadow Quality: Very High
SSAO: On
Tessellation: On
Advanced Shadows: On
Comparison: Average FPS
There were some differences in gaming scores when the integrated GPU was used, but this wasn’t the case when discrete HD 7850 came into play.
Aliens vs Predator with IGP
API: DirectX 11
Quality: Medium
Resolution: 1920x1080
Anti-Aliasing: 0X
Anisotropic Filtering 4X
Texture Quality: Medium
Shadow Quality: Medium
SSAO: On
Tessellation: On
Advanced Shadows: Off
Comparison: Average FPS 
At 1920x1080, integrated HD 6550D managed 11.1 fps, which is 26 percent slower than the HD 7660D.