Ryzen’s Firmware Trusted Platform Module Has A Bit Of A Stutter

Source: The Register Ryzen’s Firmware Trusted Platform Module Has A Bit Of A Stutter

Another Reason To Avoid Windows 11?

There have been reports of stuttering Ryzen processors on the web for a while now, with no definitive cause found …  until now.  It turns out that some AMD chipsets intermittently overload themselves by performing unexpected fTPM-related memory transactions in SPI flash memory.  This can cause the system to stutter for a second or two, long enough to be annoying but too short for easy troubleshooting.  This is not the first time we’ve seen TPM related performance issues on AMD processors, and it seems that they have decided to permanently solve this by adopting the Intel Pluton TPM chip on their motherboards.

If you are having issues then you could disable TPM, after making sure Bitlocker has had time to unencrypt your system; though that is not a choice for Windows 11 user.   If your motherboard has dTPM hardware installed on it, you can switch to that mode which does not exhibit the same stuttering.  If neither of those is a choice for you, then you will have to wait for a firmware update from AMD to permanently resolve the problem.  AMD suggested to The Register that they may not arrive until May.

AMD has confirmed there is a performance problem with some of its Zen-family processors and Microsoft's operating systems.

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Jeremy Hellstrom

Call it K7M.com, AMDMB.com, or PC Perspective, Jeremy has been hanging out and then working with the gang here for years. Apart from the front page you might find him on the BOINC Forums or possibly the Fraggin' Frogs if he has the time.

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