AMD warned last week that its chips are experiencing performance issues in Windows 11, and now Microsoft’s
TechPowerUp measured the L3 cache latency on its Ryzen 7 2700X at around 10ns, and Windows 11 increased this to 17ns. “This was made much worse with the October 12 ‘Patch Tuesday’ update, driving up the latency to 31.9ns,” says TechPowerUp. That’s a huge jump, and the exact type of issue AMD warned about.
Patches for both of the Ryzen issues are coming before the end of the month, though. The L3 cache issue will likely be addressed next week by Microsoft, with
It’s still surprising to see Windows 11 ship with these issues, especially when Microsoft has limited the amount of supported processors for this new OS. Bugs always happen with new OS releases, but such an obvious performance impact on key CPUs should have been picked up during the months of public beta testing. Either way, it’s encouraging to see this will be fixed very soon so those suffering from worse performance won’t have to wait too much longer for a patch.