More Radeon RX 5000 graphics cards are to launch soon, a leak indicates. AMD Radeon RX 5300XT with 4GB GDDR5 memory According to ComputerBase, AMD will soon launch new graphics cards from RX 5000 family. The new graphics card is likely to be an OEM version, meaning it will not be available through other retail channels. The specifications listed at HP website are very limited. We only learn that RX 5300XT is a 4GB model featuring GDDR5 memory.