You'll have to give a bit more detail on when this is happening, e.g. web browsing, game + video running, multiple accelerated apps on/minimised, etc.....
Any third party oc/fan control apps installed/running,
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.