Long story short.
Intel were supposed to be responsible for driver updates, the product was locked out of AMD driver updates ( don't remember date?).
Whatever latest drivers from Intel or dell are it.
You could try asking about modified drivers at 'guru3d' forum.
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..