This naming convention is relatively new, starting with the Radeon RX 5700 XT in 2019. Before that, the common naming convention for AMD graphics cards was three digits instead of four ...
You’ll also need an upper mid-range GPU released in the last few years to meet the medium specs, such as an RTX 2070 Super or RTX 4060 or an AMD Radeon RX 5700 XT GPU.