hello guys, i got 2 sapphire hd 6870 and i have a lot of lagging issues in BF4 and COD ghosts, and other games. my cpu is AMD fx 6300, 8 GB RAM gskill 1600 mhz , gigabyte 990xa-ud3 mb and corsair 750w tx. crossfire enabled at ccc, and gpu-z shows 2 gpus,and everything is plugged. it's unplayable. im using win 7 64 bit. can someone please help me? i realy dont know what to do.
thank you, Daniel.