ARMA III on Xeon E5450 4.10 Ghz(OC)+GTX970 HD

I Do not did any optimization for this game just install and run it. When i was recording gameplay i changed some graphic settings to stabilize my fps My System | Моя Система : GPU: GeForce GTX 970 g1 gaming CPU: Intel(R) Xeon(R) CPU E5450 @ 4.10GHz FSB 455 Mothrboard: Gigabyte GA-EP45-EXTREME Memory: 8 GB RAM 910mhz 1:1 cpu:dram ratio 1:1 Resolution: 1920x1080@60Hz Driver version: 364.72 Ssd EVO 850 on 250 GB Operating system: Windows 10 Pro My bios settings: Cpu fsb 455 Cpu voltage 1.35v Cpu termination 1.24v Cpu PLL 1.5 Mch voltage 1.22 Io voltage 1.5 Dram voltage 1.96 Dram pre-settings : On "TURBO" DDR 2 5-5-5-15 910 MHZ DRAM:FSB RATIO 1:1 - 455