Hello I from Russia apologize at once for my bad English, generally I have constant friezes in game, especially after loading they partially vanish if to turn the camera on 360 degrees several times

Iron: Amd fx 6300,Asus Radeon 7870 direct top v2, M5A97 R 2.0

The computer bought at the beginning of July

Here video in game

http://www.youtube.com/watch?feature=player_embedded&v=xtuxdpXwQq0