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One person who seen a drop in gaming efficiency of about 8 % after updating Home windows 11 to the Home windows 11 2023 Replace obtained a repair from Microsoft that solved the issue.
Reddit person BNSoul measured the efficiency of their AMD 5800X3D earlier than and after updating Home windows 11. “To place it easy [sic], each CPU benchmark reveals considerably lowered CPU efficiency after updating to Home windows 11 23H2 from 22H2, even after a contemporary/clear set up.
“I might add an countless listing of benchmark outcomes right here however simply shall we say it’s at all times 23H2 5-8% slower in each single one be it single or multi-thread in comparison with 22H2,” the person added.
The issue, not less than within the Reddit thread, seems restricted to AMD Ryzen CPUs. However different customers have complained with PCs containing Intel Thirteenth-gen CPUs, together with on Microsoft’s website.
Luckily, after a number of days, BNSoul obtained a response again from Microsoft that apparently solves the issue.
“Obtained a solution from Microsoft after 3 days,” the person wrote in an replace. “[T]hey advised me to reset Home windows Defender by means of a few PowerShell instructions (1- “Set-ExecutionPolicy Unrestricted” and 2- “Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage”) then reboot and allow CPU Virtualization in BIOS (SVM in my X570 BIOS).
“[T]hen in Home windows 23H2 open Home windows Safety and allow Reminiscence Integrity underneath the Core Isolation settings. Restart and Hypervisor ought to be working, Virtualization Safety shall be Enabled and… that fixes the CPU efficiency points, CPU now performing as in 22H2 the place I had these security measures disabled.”
So, put one other means:
The repair requires you to open PowerShell (Win + sort PowerShell), presumably in Admin mode. Then sort:
Set-ExecutionPolicy Unrestricted
Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage
Reboot, and be certain that CPU virtualization is enabled in your BIOS.
Open the Home windows Safety app throughout the Settings menu, and be sure that Reminiscence Integrity is enabled underneath Core Isolation. Reboot.
If Microsoft is true, this could hopefully repair any CPU slowdowns you’ve skilled after updating to the Home windows 11 2023 Replace. After making use of the repair, the person mentioned that gaming benchmarks had been at their anticipated ranges in comparison with Home windows 11 22H2, and even some GPU benchmarks elevated.
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