AMD Officially Launches Radeon RX 500 Series Polaris 20 Refresh Cards - Radeon RX 580 and Radeon RX 570 Review Roundup
… AMD Radeon RX 500 /X Series Polaris Lineup: AMD Radeon RX 500 /X Series Graphics Cards GPU Name Bus / Bandwidth Memory / Clock Cores / Boost Clock AMD Radeon RX 400 Series Graphics Cards GPU Name Cores / Clock Memory / Clock Bus / Bandwidth Radeon RX 590 Polaris 30 XT 256-bit / 256 GB/s 8 GB / 8.0 … …