The Windows 10 end-of-life (October 2025) has pushed many gamers to Windows 11. Here's an honest comparison of gaming performance between the two.
What Windows 11 changed that matters for gaming
DirectStorage: Windows 11 has better DirectStorage support. For games that use it (Microsoft Flight Simulator 2024, and future titles), Windows 11 gives faster asset loading.
Auto HDR: Windows 11 adds HDR to SDR games automatically. Mixed results — some games look better, some look washed out. Can be disabled.
Variable Refresh Rate in windowed mode: Windows 11 supports VRR in windowed mode, not just fullscreen. Better for windowed gaming setups.
TPM 2.0 and Secure Boot requirement: Windows 11 requires these, which enables some additional security features. Minimal gaming performance impact.
What stayed the same
The kernel scheduler, memory management, DirectX implementation, and most performance-relevant subsystems are essentially the same between Win10 22H2 and Win11 23H2/24H2.
Registry tweaks, MMCSS configuration, power plan settings, process priority — all work identically on both.
Win11-specific issues (mostly resolved)
Early Windows 11 had a CPPC2 bug that caused Ryzen scheduling to prefer the wrong cores. Fixed in updates. Early L3 cache latency regression on Ryzen — also fixed.
Recommendation
If you're on Win10 and it's working well, stay until you have a reason to move. If you're building fresh or already on Win11, it's fine — apply the same optimization stack.
All IzanagiOP tweaks work on both Windows 10 and 11. https://terweb.lt/
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