Hardspell has published a preview of the « Deneb » which you may recall is the 45nm version of the Phenom. Set at 2.3 GHz and equipped with an L3 cache of 6 MB, as planned the processor has lower power consumption. On the ATX12V, they obtained 32.4W at rest and 57.3W in load versus 39.4W at rest and 104.1W in load for the Phenom X4 9650. Compared to previous first tests of this kind, there is a much more significant gain in load which is a good thing as it comes closer to Intel 45nm solutions.
In terms of performances, the gains due to the transition from 2 to 6 MB of L3 cache cannot be ignored: