4 ms·Sure there is: C# is substantially less performant than C++ code.by TylerE 3y agoSure there is: C# is substantially less performant than C++ code.kllrnohj 3y agoC# has a pretty good FFI system that can call into C++ code. Unity itself does that, after all, it's not entirely written in C#TylerE 3y agoFactorio is insanely well optimized. Any overhead is going to be noticeable.