If you are using any 3rd party oc or fan control apps, reset and disable them.
Or if any Adrenalin tuning/fan control, reset to default to see if issue persists running from the cards built in fan control.
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..