Graphics card selection?

[zoog18]

Hello, a friend of mine asked me if the R9 290x or GTX 780 is better, and I wasn't sure, which of these two cards is better?

 

[jimthenagual]

They're about the same. In some games the 290X will perform better, and in others the 780 will.

http://www.tomshardware.com/reviews/gaming-graphics-card-review,3107-7.html