AMD understands that Windows 11 runs slower on compatible AMD processors than Windows 10. This is due to issues with the L3 cache and the way the processor distributes threads across cores. Microsoft and AMD are working on updates that will be released in October.
In the first version, the L3 cache latency is three times higher than that of Windows 10. As a result, applications sensitive to Time subsystem memory– Variations run slower than before, writes amd. Apps sensitive to this may run three to five percent slower than they should. Some programs, “such as games commonly used in esports,” may run 10 to 15 percent slower than the previous operating system.
The second problem lies with CPPC2 within UEFI, which determines which threads are processed by which cores. With Windows 11, threads will no longer be automatically processed by the fastest processor core. Especially programs that depend on one or more threads will experience reduced performance. So this problem will be especially noticeable in processors with eight or more cores and a TDP higher than 65 watts.
The L3 cache requires a Windows update, and the CPPC2 issue can be resolved with an AMD update. AMD says that both updates will be released in October. Until then, affected users are advised to stay on Windows 10.
Windows 11 appeared on Monday night. Tweakers posted on Tuesday New operating system standards. This actually showed that the AMD CPU used in certain apps ran slower than Windows 10, although there were few or no differences in other apps.
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