IF the rumors were true AND the Ps4 were to use HD 7670 and the Nextbox were to use HD 6670. Who will come out on top?

[Wh1pL4shL1ve_007]

IF the Ps4 is to use the HD 7670 and the nextbox is to use the HD 6670. Who is more powerful?

http://au.ign.com/articles/2013/01/16/next-gen-secrets-allegedly-leaked-to-nvidia-by-former-amd-executives

As shown, its pretty much the same graphics card under different names. Either way, they're both ridiculously weak. 

http://www.hardmac.com/news/2012/01/06/another-rebranded-radeon-hd-7670-hd-6670