Is there and AMD version of this? I skimmed through the other post and didn't see an answer.

no.... cuda is a nvidia compute language
tpruvot's ccminer-
Since adding extranonce compatibility and other recent improvements to ccminer, i have seen a much lower error rate when mining x11/x13. --scryptr
Tx

I try to reduce the problems i see... Not perfect for the moment, 1.5 is not ready, but usable