7900x3d System Impact of Core Isolation and Virtual Machine Platform (VMP) on performance

[Orodruin]

Hello everyone;

I am faced with an interesting situation.
I switched from 5900X system to 7900x3d system. After Windows installation, I installed AIDA64 to do a small test. And when I did the test, it gave the warning I shared below during the memory test.

While researching the subject on the net, I came across the following Microsoft article;

Options to Optimize Gaming Performance in Windows 11

The article suggested that I should turn off Turning off Memory Integrity and Turning off Virtual Machine Platform (VMP) settings.

I turned off both settings, even Virtualization from CPU properties in BIOS.

AIDA64 did not give the same warning again and passed the Memory test without any problems.
Moreover, while the memory reading was previously around 78000 points, it increased to over 80000 points. Likewise, it started giving higher scores in the CPU Test after shutting it down.

Has anyone turned off these Turning off Memory Integrity (Core Isolation) and Turning off Virtual Machine Platform (VMP) settings and tested them? Or encountered a similar situation?

It seemed very interesting to me. I think Windows performs some processes in the background through Virtualization and reduces CPU and Memory Performance. This is exactly the situation I understand.

I would be very happy if anyone with knowledge on the subject could give their opinion.

 

[R-T-B]

Yep, this is well-established news at this point, no offense meant.

The 7xxx series has less impact than earlier chips but the impact is always there. Also check your idle ram usage.

 

[Dr. Dro]

There is no need and you should not disable virtualization support in your BIOS. This is an useful capability that may be used by the OS and some programs. What costs performance is HVCI - and the ~10% impact sounds about right. It is worse on older processors.

Re-enable AMD-V in BIOS and leave core isolation/memory integrity disabled. While at it, another trick that may help with some games is disabling "Control Flow Guard (CFG)" in Windows Exploit Protection settings.

 

[Orodruin]

Yep, this is well-established news at this point, no offense meant.

The 7xxx series has less impact than earlier chips but the impact is always there. Also check your idle ram usage.

Free RAM usage is around 6 GB on average.

Frankly, I was surprised when there was a performance difference in the AIDA64 test. It's interesting that Core Isolation causes such a performance loss.

There is no need and you should not disable virtualization support in your BIOS. This is an useful capability that may be used by the OS and some programs. What costs performance is HVCI - and the ~10% impact sounds about right. It is worse on older processors.

Re-enable AMD-V in BIOS and leave core isolation/memory integrity disabled. While at it, another trick that may help with some games is disabling "Control Flow Guard (CFG)" in Windows Exploit Protection settings.

Then I will turn Virtualization Support back on in the BIOS.

As you said, I will just turn off Core Isolation. What exactly is Windows Exploit Protection? Where are the settings located? This is the first time I hear this.