AMD Radeon RX 480 8 GB @ techPowerUp
 

Today AMD is introducing their new 14 nanometer Polaris architecture. The first card we are reviewing is the Radeon RX 480, a highly affordable 8 GB card that's set out to shatter current price/performance. In terms of performance you can expect speeds between GTX 980 and GTX 970.

http://www.techpowerup.com/reviews/AMD/RX_480/