You can leave cool and quiet on that is why your performance droped
Power settings should be turbo off
automatic core control on
cool and quiet on makes no difference to turn it off runs better with it on leave C6 on
spread spectrum off
I actually have a thread here on how to overclock Bulldozer i might need to bring this up for you to understand that some functions that were good to turn off back then don't need to be turned off now
here you go this is the first and most accurate thread of Oc'ing Bulldozer FX chips or FX period there is also another guy here named Tweek that has the same experience with these chips
Bulldozers Overclocking CPU's
also this one
My new Bulldozer has shipped. linnemeyerhere is another who can help you