this is not right , my clocks are not stable because of GPU utilization .
i can choose lower O.C.  , but it will still kick in.
http://i99.photobucket.com/albums/l293/akira_010/Naamloos_zps9b108acd.png





perfcap reason  needs to look like this :
http://i99.photobucket.com/albums/l293/akira_010/Naamloos2_zps298fad40.png