با سلام
سایت رسمی : http://www.sapphiretech.com/productdetial.asp?pid=7A5B671A-8C94-459E-98C5-9E5B03DE636D〈=eng
مقایسه : R9 295X2 8 GB VS Titan X 12 GB VS GTX 980 Ti 6 GB
http://www.techpowerup.com/reviews/NVIDIA/GeForce_GTX_980_Ti/16.html
http://www.techpowerup.com/reviews/NVIDIA/GeForce_GTX_980_Ti/9.html
http://www.anandtech.com/show/9306/the-nvidia-geforce-gtx-980-ti-review/13
http://www.anandtech.com/bench/product/1437?vs=1496%C2%A0
http://www.kitguru.net/components/graphic-cards/luke-hill/evga-gtx-980-ti-classified-acx-2-0-review/6/