A couple of days before tech reviews are out.
Or you could read some of the tech site breakdowns of released perf/features etc..., for what is currently known.
My PC- Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3600c16dgtzn kit, NM790 2TB, Nitro+RX6900XT, RM850, Win.10 Pro., LC27G55T.