October 21, 2021

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Windows 11 is slower on AMD processors

Windows 11 is slower on AMD processors

Windows 11 negatively affects AMD processors by reducing performance.

AMD has confirmed that the new Windows 11 operating system is negatively affecting its processors, with performance deteriorating. Fortunately, backtracking only occurs in certain situations. More precisely, there are two problems. The first problem concerns the latency in the L3 buffer in processors, and according to AMD, the latency can be three times higher under the new operating system. As a result, users may experience a performance impact in, for example, e-sports, where performance declines of three to five percent have been reported, with a decrease of up to 15 percent in some cases.

The second issue is related to UEFI’s Preferred Kernel feature, which does not schedule tasks for the most powerful processor core available in a given scenario. According to AMD, this may affect the performance of applications that depend on one or more cores, as all processor cores will continue to use multithreaded functions. At the same time, the largest decrease in performance can be recorded by owners of processors with a large number of cores and threads, more specifically, these processors should have a TDP of 65 W and above. However, the processor manufacturer did not say what the performance drop should be.

AMD is working on both issues and plans to release a software update, so it should be a new version of drivers for Windows 11. The fixes are due to be released later this month.

Source: XDA DevelopersAnd AMDAnd