AMD has said that some models of processors have performance problems after upgrading to Windows 11. The general impact is between 3-5%, and in some extreme cases, the impact is as high as 10-15%. In cooperation with Microsoft, AMD’s newly released Ryzen chipset driver has been repaired again.
The release notes indicate that the latest update of the driver restores theWindows11 Expected functions and behavior of UEFI CPPC2 in build 22000.189 (or later). This page also tells us which chipsets and processors AMD supports when installing Windows 10 and Windows 11. AMD has a dedicated page to address issues related to the performance changes of compatible processors on Windows 11.You can check here.
However, not all problems have been resolved. Known issues include custom installation failures, problems with non-English operating systems, and unintentional pop-up messages. To learn more,You can click here to view the release page.