AMD quietly launches Radeon 600 Series graphics cards
AMD Radeon RX 670 rumoured for launch this weekend - Graphics - News - HEXUS.net
A New AMD Graphic Card Soon| Radeon “RX 600” Polaris 30 GPU Based On 12nm To Be Ready For Launch, Reports And Rumors Say – Ultragamerz, The best Technology & game news
AMD Radeon RX 600 Series Graphics Cards Rumoured To Be Launching Soon - Lowyat.NET