Windows 11 is officially here and it seems to be a relatively smooth launch. However, it is not without problems. A new one appeared for AMD Ryzen CPUs, where Windows 11 could reduce gaming performance by as much as 15%, which certainly will not make gamers happy.
AMD released a support note this week (first discovered by PC World) that said Windows 11 can increase L3 cache time by up to three times. This will cause a slowdown in latency-sensitive applications such as PC games. For more graphically intensive games, this can cause a drop in frame rate by 10% to 15%, which can be the difference between a pleasant gaming experience and an unpleasant one.
The company also has a “preferred kernel” feature that does not work with Windows 11. It is designed to let the operating system know which kernel can hit the highest clock, and as it looks, it does not work properly in Windows 11. This will have the most dramatic impact on CPUs with more than eight cores and with TDP ratings higher than 65 watts.
Microsoft and AMD are both aware of the problem and are working on a solution. Hopefully, both companies can get something out of it soon, because a 15% loss of performance from advanced CPUs will not make Windows 11 users happy. If you are an AMD Ryzen user, it may be better to wait to upgrade to Windows 11 until the fix is released, especially if you are a gamer.
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