The GeForce GTX 680 is a Tessellation Monster

TessMark OpenGL benchmark

The guys at have benchmarked the freshly new released GeForce GTX 680 with TessMark, the OpenGL 4 tessellation benchmark, and the results are pretty impressive, especially with the insane tessellation factor of X64:

NVIDIA GeForce GTX 680, TessMark OpenGL benchmark

Same thing in Unigine Heaven, the GTX 680 is far ahead of other cards:

NVIDIA GeForce GTX 680, Unigine Heaven