AMDs current Deneb core over the past year and a half has been optimized and fine-tuned in many ways. As such, and honestly completely unneeded, AMD did decide to make their fastest Phenom II X4 processor even a slight bit faster, yes today they release their Phenom II X4 980 Black Edition processor, which clocks in at chill 3.7 GHz at default.
Check out the review right here.