Hardware-accelerated virtualization in Windows 11 (deep feature overview)
4.1. Managing Core Isolation for Gaming
While "Memory Integrity" (Core Isolation) is a vital security feature, it can conflict with anti-cheat software and reduce gaming FPS by introducing latency.
- Action: For high-performance gaming rigs, consider disabling Memory Integrity temporarily.
- Path: Windows Security > Device Security > Core Isolation details > Memory Integrity (Toggle Off).
- Note: Microsoft recommends keeping this on for security unless compatibility issues arise.
C. Storage & Memory Tuning
- Place VM disks on an NVMe SSD – Use
.vhdx with dynamic expansion for flexibility, fixed size for max speed.
- Use Smart Paging and NUMA – For multi-socket systems, enable NUMA spanning.
- Set dynamic memory – Minimum = 1024 MB, Maximum = 50% of host RAM.
White Paper: Optimizing Hardware Virtualization in Windows 11
Date: October 26, 2023
Subject: Best Practices for Hyper-V, VBS, and System Performance
A. Disable Unnecessary Virtualization-Based Security (VBS)
If you don’t need Memory Integrity or Hyper-V’s security features:
- Open Windows Security → Device Security → Core Isolation → Turn Memory Integrity OFF.
- Result: Up to 10% lower gaming/GPU latency.
Final Recommendations
To truly make your Windows 11 experience better, follow these guidelines:
- Do not disable VBS for gaming anymore. The performance gap is negligible, and the security risks of disabling it are substantial.
- Use Hyper-V instead of VirtualBox or VMware for Windows guests. On Windows 11, native hypervisors always outperform third-party ones due to deep kernel integration.
- Invest in 32GB of RAM if you run 2+ VMs simultaneously. Windows 11’s memory compression is excellent, but virtualization still loves memory.
- Keep your BIOS updated. Intel and AMD release microcode updates that further optimize virtualization context switching. These patches are often delivered via BIOS updates from your motherboard vendor.
Hardware virtualization on Windows 11 is not just "better" in a marketing sense—it is faster, more secure, and more integrated than any consumer operating system to date. Enable it, embrace it, and watch your productivity transform.
Have you noticed a performance boost with Hyper-V on Windows 11? Share your benchmark results in the comments below.
About the Author: This guide is part of our Windows 11 Performance series. For more deep dives into WSL, GPU paravirtualization, and Hyper-V tuning, subscribe to our newsletter.
