Originally Posted by THE_EGG
hang on a second. Wasn't the 6670 a re-branded 5670? So really the 7670 is a re-branded 5670. :/
No. The 7670 is a rebranded 6670 because it is based on the same GPU, Turks XT. The 5670 is based on Redwood XT.
Still, the 6670 is about 10% faster than the 5670. It does it consuming less power, though.