Performance Test C, 640 x 480 res: My fps was all-over the place from 100 to 300.
Performance Test C, 800 x 600 res: Same.
Performance Test C, 1024 x 768 res: It crashes when changing to that resolution.
The previous tests A and B, in all different resolutions was running on 70-75 fps.
Graphic card: NVIDIA GeForce 8800 GTS