By Joel Hruska AMD’s RDNA2 GPUs land this morning, in the form of the Radeon RX 6800 ($579) and Radeon RX 6800 XT ($649). These two graphics cards are based on AMD’s RDNA2 GPU architecture, also known as “Big Navi.” Big Navi is an extension and improvement of the RDNA architecture that AMD debuted last year. […]