“Just when you think they're done, AMD ships another Deneb-based chip, saying "hey, we're not abandoning you just because Bulldozer is coming!" Clocking in at 3.7 GHz, the Phenom II x4 980 Black Edition is a speed bump over the previous x4 975 Black Edition."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips