Windows 11 is officially here, and it seems to be a relatively smooth launch. However, it’s not without problems. A new one popped up for AMD Ryzen CPUs where Windows 11 could cut game performance by as much as 15%, which is certainly not going to make gamers happy.
AMD published a support note (which was first spotted by PC World) this week that said Windows 11 might increase L3 cache latency by as much as three times. That will cause slowdowns in latency-sensitive applications such as PC games. For more graphically intensive games, this could cause a dip in framerate by 10% to 15%, which could be the difference between a pleasant game experience and an unpleasant one.
The company also has a “preferred core” feature that isn’t working with Windows 11. It is designed to let the operating system know which core can hit the highest clock, and as it stands, it’s not functioning correctly 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 issue and working on a fix. Hopefully, both companies can get something out soon because a 15% loss of performance from high-end CPUs will not make Windows 11 users happy. If you are an AMD Ryzen user, you might be better off waiting to upgrade to Windows 11 until the fix is released, especially if you’re a gamer.
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