Soldato
Techpowerup have a reference 980 review up and a 780 Ti and 980 are basically neck and neck with the 780 Ti getting more frames in quite a few games.
http://www.techpowerup.com/reviews/NVIDIA/GeForce_GTX_980/
http://www.techpowerup.com/reviews/NVIDIA/GeForce_GTX_980/