What is better EVGA GeForce GTX 770 DUAL SuperClocked 2GB orEVGA GeForce GTX 770 SuperClocked 2GB

[prodigyjt33]

Im wondering what is better the dual gpu or single gpu, thank you and if you can put pros and cons for each

 

[lightcloud]

Dual GPU

Pro: faster
Con: requires more usage, so higher watts PSU.