https://www.techspot.com/article/1554-meltdown-flaw-cpu-performance-windows/
https://www.resetera.com/threads/performance-drop-observed-in-ac-origins-after-latest-intel-security-patch.14284/
http://www.guru3d.com/articles_pages/windows_vulnerability_cpu_meltdown_patch_benchmarked,3.html
Zatím jen zanedbatelný rozdíly, otázka je, jestli "skutečný patch" teprve nepříjde.