Security features required to run Windows 11 cause performance issues

With Windows 11, Microsoft not only dropped support for many powerful processors, but also limited the operating system to hardware with TPM 2.0 (Trusted Platform Module version 2).

Unlike the controversial processor requirement, the TPM 2.0 requirement is actually not a big deal for most users since the vast majority of modern devices have this security feature.

On AMD systems, the TPM, also known as "fTPM," is a security module implemented in the system firmware rather than a dedicated chip. fTPM can be easily enabled on AMD systems, but for some configurations, enabling this feature appears to cause performance issues.

The TPM implementation is generally simple and a lot of Intel people are using it, but AMD's implementation has some issues, most notably issues with audio glitches and framerate stuttering.

Interestingly, the issue appears to be due to compatibility issues between AMD's fTPM and Windows, rather than the new operation Errors in the system.

Windows 11 fTPM bug causing lag

As some users investigated and shared their analysis with us, enabling fTPM may impair the performance of your device and cause you to freeze on Windows 10 or Windows 11 Stuttering when playing games.

"I have the same issue, I'm running a Ryzen 5 1600AF and sometimes I get random stuttering and audio crackling," one user noted in a Reddit thread.

"I can confirm that I have the same issue here - Ryzen 3900X on MSI MEG X570 ACE using fTPM. As others have mentioned, I usually don't unless I'm playing music Noticed the stuttering. It's the same as others have described. I'm on the latest BIOS on my motherboard, drivers etc are all up to date. Windows 11 Pro is completely up to date on release builds," said another user.

This bug does not affect all PCs and appears to have been noticed on some devices when upgrading from Windows 10 to Windows 11. Based on the report, it doesn't look like the issue will render your machine unusable, as these stutters last for just a few seconds a few times and happen randomly.

How to fix stuttering caused by fTPM on Windows 11

It is recommended to uninstall Windows 11 and turn off fTPM on Windows 10. It is certainly worth trying to see if it can solve the stuttering problem. While you can also turn off fTPM on Windows 11, it may have adverse effects as some games, such as Valorant, won't run on the new operating system without a TPM.

It's also possible that a bug in Windows 11 could be a cause, so if you're experiencing stuttering while playing games, you should consider reinstalling Windows 10 or wait for a fix from Microsoft and AMD.

Remember, you can always report issues directly to Microsoft through the Feedback Center, and Microsoft may come up with a solution if you best describe the issue you're experiencing.

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