What drivers are you using?
We're investigating an issue regarding fluctuating clock speeds. Please roll back to Catalyst 15.11.1 Beta or Catalyst 15.7.1 WHQL to resolve the issue.
same issue, thought my 4670k@4ghz is Running into CPU Limit
i will try the oder driver and hope it wohnt Crash my dx 12 Games again :/
pls stop that Energy saving crap or at least let us the possibility To disable it
Well upgraded my drivers to the latest (15.12) and still my my video card isn't being used to full core.