After it came to light that Windows 11 was causing performance problems on computers with AMD processors, Microsoft updated the new operating system, but things have gotten even worse.

According to TechPowerUp, the latest Windows 11 cumulative update, released on October 12, actually increased L3 cache latency, directly affecting the performance of some games. Meanwhile, another issue may also affect the performance of CPU-dependent tasks as threaded workloads are pushed to the fastest cores of Ryzen processors.

According to TechPowerUp tests, Windows 11 running on a PC with a Ryzen 7 2700X CPU had a latency of 17 nanoseconds before the update, compared to 1ns typically. However, in the same test after the update, the latency was 31.9 ns.

A patch is currently being prepared and AMD plans to release a fix for this issue on October 21. Some "customers" may request an earlier application of the patch, but this will likely only apply to enterprise-grade customers.

However, Microsoft plans to release a patch to fix the L3 issue on October 19. However, the critical patch to obtain is very likely to be from AMD.

So if you are considering getting an AMD Ryzen-based PC, such as those on the Best Gaming PCs list, with the express purpose of getting a Windows 11 machine, you may want to wait a bit. AMD Ryzen PCs with Windows 10 The same is true if you are thinking of upgrading from Windows 10 to Windows 11.

Although Windows 11 has only been available for a little over a week, its launch has not been super smooth; not only are there concerns about Windows 11's TPM requirements, but Windows 11 errors are causing problems for users.

One way around these problems is to check out our selection of the best Windows 11-compatible laptops.