It has come to our attention that the AMD RX 580 is nothing more than a refined RX 480, and as such, most AIB (add-in board) partners such as ASUS and the rest are simply just putting the refined core on their existing cards, changing the BIOS to say it’s a 580 instead of a 480, and calling it a day. Flashing AMD RX 470/480/570/580 BIOS. Display goes blank. Flash one like yours to an RX 580 and it will be at the top of the price/ performance chart alongside the Rx 470. With 2048 cores, it is a cut down version of the RX 580 which is $30 more expensive and around 20% faster. The 4 GB Rx 480s are going for $200 OR LESS on the Egg. The RX 570 is around 10% faster than its predecessor, the RX 470. At $130, the RX 570 offers superb value to gamers on a very tight budget. Paying $280 for an RX 580 is silly. Flash your stock BIOS back if you notice some unusual behavior. Use the same AtiWinFlash steps to revert your card to a stock BIOS. AMD's Radeon RX 470 and 480 cards can be flashed with RX 570 and 580 firmware, increasing performance significantly. The usual risks apply. Connect your output cable to an integrated graphics or to a different GPU if you have several.