This is the highest i've seen it go so far (4300 - 4640 is a common max MHz recorded).
This was captured during playing an Indie game (beta) with only Steam, Discord and HWMonitor open.
I have no overclock or game boost active. Only thing changed in the Bios is XMP 2 enabled for my RAM.
MSI B450M Mortar Max
Ryzen 5 2600X 3.6 - 4.2GHz (stock cooler)
Corsair Vengeance LPX 3000MHz 16GB (2x8GB)
Powercolor RX590 8GB Red Dragon
Adata SX8200 M.2 SSD
Toshiba DT01ACA HDD
Gigabyte WB1733-I WiFi + Bluetooth
AeroCool 750w PSU
Noctua NF-P12 Redux 1700 PWM
Noctua NF-P12 Redux 1300 PWM (x2)
Windows 10 OS
I'm on Balanced power mode in windows but i have found that if i lower its maximum processor state to around 95% it semi controls the issue.
