Hello. I have Sapphire 6850 Toxic and i have low fps in games too. i have the latest drivers from amd site and in games like tf2, Crysis, Dead Space i have low fps at 1600x900.
AMD Athlon II x4 635 2.90 GHz (quad core)
4Gb of ram
gigabyte MA770T UD3
psu :High Power 500W HPC-500-H12S (link below)
WHAT IS YOUR AVERAGE FPS? How can you say you're getting low FPS when you dont't even tell us in the post how many FPS you're getting in each game?
To OP: do you have V-Sync on in BC2?