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AMD chips are having issues in Windows 11, and the latest OS update has made the issues worse.

AMD and Microsoft previously revealed that Windows 11 results in reduced performance of AMD Ryzen processors for some applications, with extreme cases reaching up to 15% performance.

Microsoft has revealed that a software update is in development to address these issues, but it looks like the very first update to Windows 11 since launch has made the problem worse.

TechPowerUp reported that the latency is higher now. The Ryzen 7 2700X chip reportedly increased from 10ns to 17ns when Windows 11 was first launched. However, the latest Windows 11 patch (which released on October 12) made this problem worse, with latency reportedly increasing in deflection up to 31.9 ns.

Latency is measured in milliseconds and measures the time it takes for data to travel between source and destination, so lower latency means faster transfer. Seeing latency increase so much could potentially cause noticeable performance slowdowns if your system is using a Ryzen processor.

Some rumors on Reddit suggest that the L3 cache issue will be resolved on October 19. However, the base patch will need to be addressed by an AMD driver, which could arrive at the end of the month.

It appears that issues were found specifically on Ryzen processors, with the recommendation now that anyone with an AMD Ryzen processor should try to put the Windows 11 update on hold until all bugs have been resolved. Intel processors don’t appear to be affected so far, but we’ll be keeping an eye on these developments in case anything changes.

If you are not using an AMD processor and want to give Windows 11 a try, you can find out how to download the latest operating system. Just be aware that patches and fixes are still coming, because Windows 11 is still in its infancy.



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