15.7.1 is year.month.1st driver of the month, the other is the actual amd driver (store/inhouse ?) release version.
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..