Ok, so I get 60 fps on the game normally, but every 10 seconds the framerate drops to around 10 or something for a second or so, very annoying.
This PC runs Crysis on high settings, so it's not a specs thing.
2.7 GHz Core 2 Duo
4GB RAM
ASUS EAH 3650 (ATI Radeon HD 3650 GPU) Graphics (1GB VRAM)
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