Sapphire HD7950 vs Sapphire HD7950 Dual X

Hardware Hub GPU
1

http://www.sapphiretech.com/presentation/product/?cid=1&gid=3&sgid=1157&pid=1713&psn=&lid=1&leg=0

http://www.sapphiretech.com/presentation/product/?cid=1&gid=3&sgid=1157&pid=1878&psn=&lid=1&leg=0

I can find these $20 apart AUD it the Dual X edition worth $20?

2

the second one looks like a reference design amd cooler. I'd avoid that like the plague.

otherwise there shouldn't be any difference

3

get the dual x it would be better for the cooling.