As to R & S, the RX64/6500 series do not have the encode/decode formats required for it. And any/other graphics component requires more than 2GB of VRAM.
Don't know about the other.
Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3600c16dgtzn kit, Aorus gen4 1tb, Nitro+RX6900XT, RM850, Win.10 Pro., LC27G55T..