Not really! The difference is MoltenVK (and now KosmicKrisp) is officially supported and funded by Khronos itself.
DXVK, vkd3d on the other hand is propped up by dozens of passionate open-source contributors.
I'm drawing my lines not based on technicalities, but on the reality of the situation when it comes to how much the "controlling entity" of each API cares about supporting your platforms. And the fact is, Khronos has put time and money into supporting more platforms than Microsoft has.
DXVK, vkd3d on the other hand is propped up by dozens of passionate open-source contributors.
I'm drawing my lines not based on technicalities, but on the reality of the situation when it comes to how much the "controlling entity" of each API cares about supporting your platforms. And the fact is, Khronos has put time and money into supporting more platforms than Microsoft has.