AMD Radeon RX 480: Doom at 1440p and 144 Hz.
AMD shows off Radeon RX 480 running Doom at 1440p/144Hz | VideoCardz.com
PC World article.
Polaris inbound: AMD teases unannounced Radeon RX 480 graphics card
AMD has inadvertently confirmed that they are planning to launch Polaris 10 as X80...