Most users have simply disabled the TPM requirement in Windows 11 to circumvent the issue, but now AMD has fixes coming via motherboard firmware updates (UEFI/BIOS). They manifest as jerky performance on the screen and interrupted and garbled audio, application hangs, and mouse cursor hitching during the system stutters (you can see an example in the short clip below). These periods occur multiple times per day during all manner of workloads, including gaming.
NVIDIA POWER MANAGEMENT HITCHING WINDOWS 10
AMD says the fTPM issue involves intermittent latency introduced by fTPM-related memory transactions with the chip, leading to "temporary pauses in system interactivity or responsiveness." The issue impacts AM4 systems that run the Zen+ to Zen 3 architectures.ĪMD's fTPM issues impact both Windows 10 and Windows 11 Ryzen systems, with the typical side effect being random stuttering and lagging that lasts one to two seconds. The fTPM key resides in the SPI flash memory that's present on the motherboard (commonly referred to as a BIOS chip). However, the different approaches store the key in different locations. Both the fTPM and discrete TPM are designed to accomplish the same goal - store an unchangeable security key, thus enabling a higher level of security. The fTPM is a security mechanism available with AMD processors that removes the need for a separate discrete TPM device. As a reminder, TPM functionality is a not-strictly-enforced security requirement for Windows 11, but it is also present in Windows 10. Notably, that isn't an option for all systems, especially laptops.ĪMD has remained silent on this issue for months, but widespread reports indicate that AM4 Ryzen systems have long been plagued with system stuttering associated with enabling the fTPM (firmware trusted platform module) feature. In the interim, AMD has also advised using a 'workaround' that employs a discrete TPM key instead of the in-built version inside the processor. However, the BIOS updates will take some time to make their way to market, with the first arriving in May 2022. AMD announced today that it has identified the source of an fTPM-induced system stuttering issue on Ryzen systems and had issued a BIOS fix to motherboard makers.
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