Windows 11 Bashes Some AMD Procs; Boosts Some Intel Core i7 Alder Lake
by martyb from SoylentNews on (#5QH62)
AMD: Windows 11 May Cause Performance Dips of Up to 15% on Ryzen CPUs
upstart writes:
AMD: Windows 11 May Cause Performance Dips Of Up To 15% On Ryzen CPUs:
Wccftech reported a few days ago about known issues appearing after users have installed Microsoft's newest Windows 11 operating system-Oracle VirtualBox software and Cc Cc browser compatibility issues, as well as Intel networking issues. Today, AMD reported issues that their Windows 11 compatible AMD processors were having with performance while running certain applications after the new OS installation.
AMD urges users to stick with Windows 10 as a workaround, hotfix coming
[...] Known changes to performance affected areas such as
- Measured and functional L3 cache latency may increase by ~3X.
- UEFI CPPC2 ("preferred core") may not preferentially schedule threads on a processor's fastest core.
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