"The HD6970 is a very close relative to the HD6950, but the HD6970 has all the performance of the Cayman core
unlocked and ready to go. So then, what's the impact on performance? Let's find out!"
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