AMD and Microsoft Released Fixes For Windows 11 Issues

AMD and Microsoft have officially released fixes to address issues with Ryzen CPUs via the Windows 11 upgrade and Drivers release. Specifically, the latest Microsoft Windows 11 patches and driver releases have resolved AMD Ryzen L3 cache and CPPC2 issues. Windows 11 didn’t perform as usual on AMD processors due to a configuration issue with AMD’s technology and Microsoft’s newest operating system.

However, now, AMD has finally published a chipset driver that fixes the UEFI CPPC2 (Collaborative Power and Performance Control 2) driver. It was responsible for performance issues by delivering data threads to specified cores.

Moreover, Windows 11 will soon upgrade to the latest patch for all the users. As a result, you may get the most recent AMD driver here for convenience.

Microsoft will include the fix in the Windows Update that will be available today (2000.282 patches, KB0006746). Windows 11 was having issues with latency in the L3 cache, as well as bandwidth issues.

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The following are highlights of the changelogs for both companies:

AMD Chipset Version 3.10.08.506 Changelog:

AMD Chipset Drivers
- Ryzen Power Plans (required for UEFI CPPC2 support with “Zen+” and “Zen 2” in Windows 11)
- AMD Ryzen™ Power Provisioning Package (required for UEFI CPPC2 support with “Zen 3” and later in Windows 11)

Microsoft Windows 11 22000.282 patch (KB0006746) Changelog:

Addresses an L3 caching issue that might affect performance in some applications on devices that have AMD Ryzen processors after upgrading to Windows 11 (original release).

According to AMD, the L3 cache delay issue decreased gaming performance by up to 15% and PC application performance by up to 5%. All Ryzen CPUs supported by Windows 11 were impacted, including “all Zen+, Zen 2 and Zen 3 CPUs that compose the Ryzen 2000, Ryzen 3000, Ryzen 4000, and Ryzen 5000 processors,” as well as “certain AMD EPYC processors for data centers and some newer Athlon chips.”

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