Microsoft on October 5 pushed the official version of Win11, according to Microsoft's recent virtue, such a large system update can not be a little problem is not normal.
Sure enough, the official version of Win11, or 21H2 or Build 22000.195, has caused significant performance loss, network issues, and a host of other issues for users.
Win11 provides a new start menu, notification hub, and a streamlined taskbar.Previous tests have shown that win11 is slightly faster than Win10, but now AMD has confirmed that Win11 will cause the system to slow down.
AMD and Microsoft are investigating performance issues with Win11, which may degrade the performance of some applications, according to a support file from AMD.
According to the file, Win11 can cause a threefold delay in L3 caching, which can affect the performance of memory-intensive applications. AMD expects the performance of some applications to be affected by 3-5%, while games may slow down by 10-15%.
Microsoft is planning to address these issues in the next cumulative update, which is scheduled to arrive in October 2021.
Another Win11 problem seems to be compromising performance by ignoring CPU threads. AMD observed that CPU-sensitive applications may experience performance issues that are obvious after updating to Win11, but not all configurations are affected.
If you're using Win10, maybe you should postpone updating to the 21H2 version of Win11 and wait for Microsoft to fix the problem or provide a fix for it. If you have updated to Win11, AMD recommends waiting for software updates from AMD and Microsoft.
In addition to AMD, benchmarking firm UL Procyon has also confirmed that a feature in Windows 11 called VirtualIzation-Based Security (VBS), now enabled by default, can cause performance degradation.
Therefore, when you benchmark Windows 11 21H2 after VBS is enabled, the benchmark score may be slightly lower.
Simply put, virtualization-based security (VBS) is a hardware virtualization feature that allows Windows to provide additional security solutions and protects the operating system from known vulnerabilities. VBS is also used to reduce malicious exploitation and remote access attempts by attackers.
apparently Win11 has VBS enabled by default in new devices and new installations, and it seems to affect the performance of Win11 devices.
And if you're upgrading from Win10 to Win11, there's no performance issue.
To reduce the performance impact, you can turn off VBS by following the steps below.
Open Windows Search.
Search for Kernel Isolation to open Windows Security.
Turn off memory integrity and restart your PC.
Open the registry editor and navigate to the following locations.
Double-click EnableVirtualizationBasedSecurity and set it to 0.
In addition, there are other problems with WIn11, and Microsoft is currently investigating network-related Intel Killer network card compatibility issues, as well as network software such as SmartByte compatibility issues.
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