Mainstream Navi tested in both 4GB and 8GB flavours. 2019 has turned into a memorable year for AMD. The chip giant's 3rd Gen Ryzen CPUs have been received to widespread acclaim, a new generation of Threadripper has raised the bar for high-end desktop, and even in the graphics space, which has traditionally proven a harder nut to crack, AMD can look back at the summer arrival of Radeon RX 5700 XT and RX 5700 with modest satisfaction.