I also did some benching with cpuCount and cpuTheads and didn't get any gain in fps although got some drop in maxFrames (67->60). avgFrames at 25-27.

I made a mission where i drive through airstrip with a lot of enemy infantry for 2 minutes.

Phemom II 955 x4 @ 3,7 Ghz
GeForce GTX 660
4G DDR2
120Gigs SSD

What would be a good FPS and bench program? Using Fraps now.