both amd and nvidia are working on newer gpu for 2016 that are a lot faster then the cards that are out now.
http://wccftech.com/nvidia-pascal-hbm2-16gb-1-tbs-2016/
http://vrworld.com/2015/11/19/14nm-amd-greenland-tapes-out-attack-on-nvidia-pascal-intel-xeon-phi/