MB: MSI B450 Tomahawk MAX (Bios 3.50)
CPU: Ryzen 5 3600
PSU: Sharkoon WPM Gold 650w
RAM: Corsair vengeance RGB Pro 3200
SSD: M.2 Kingston A2000
Windows 10 pro
Its only after the last update of warzone.
Before that it runs great.
If you go to the Manufacturer website spec you will see the GPU Base / Game and Boost Clock specifications for your GPU..
If you download the very latest version of TechPowerUp GPUz it should report the Game Clock that is set in VBIOS.
TechPowerUp GPU-Z (v2.30.0) Download | TechPowerUp
Then if you do DDU in safe mode diconnected from the internet + Factory Reset install of the latest Adrenalin 2020 20.4.1. Driver. Then reconnect to internet.
Open the Performance Tuning Advanced options for your GPU you will likely see that the Peak Clock for that GPU is set far too high above the GPU specification.
Please do those checks and report back here with Summary / Screenshots.