The Xbox runs on a custom OS derived from Windows Core. Not the same as a consumer version of Windows.
[Edit] The answer you’re probably looking for is I/O. The PS5 is much faster than the Series X in terms of getting stuff off disk and actually using it. That more than compensates for the small speed advantage the Series X has.
[Edit] The answer you’re probably looking for is I/O. The PS5 is much faster than the Series X in terms of getting stuff off disk and actually using it. That more than compensates for the small speed advantage the Series X has.