I do have an rx 580 and then what should i buy includes motherboard of each other cpuKeep in mind, that these are two different platforms and you will have to get different motherboards to run these.
Clearly the AMD Ryzen, but you will have to add a GPU
If you don´t have or wanna get a GPU, the 9100F would be your choice.
But eventually you should look into a R5 2400G or a 3400G without extra graphics card.
Go for R5 2600...its Best for uI do have an rx 580 and then what should i buy includes motherboard of each other cpu