I am thinking that CPU could easily reach 3.4 ~ 4 GHz. I have an 8 year old dual core, that with 9 x multiplier I get 3.4 GHz without a single burp!
Maybe if the chip manufacturers told that story, they wouldn't have sold so many chips. But what Bustr has shown is more important. So, everything on, NO............
Little John, would have to help you decide, "TURN DOWN FO' WHAT!!"