Windows 11’s first update makes AMD CPU performance even worse – Tom Warren

Photo by Becca Farsace / The Verge

AMD warned last week that its chips are experiencing performance issues in Windows 11, and now Microsoft’s first update to its new OS has reportedly made the problems worse. TechPowerUp reports that it’s seeing much higher latency, which means worse performance, after the Windows 11 update went live yesterday.

AMD and Microsoft found two issues with Windows 11 on Ryzen processors. Windows 11 can cause L3 cache latency to triple, slowing performance by up to 15 percent in certain games. The second issue affects AMD’s preferred core technology, that shifts threads over to the fastest core on a processor. AMD says this second bug could impact performance on CPU-reliant tasks.

The first Windows 11 update arrived yesterday

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