Earlier quoted context omitted.
When you see decades of Windows version after Windows version, each billing itself as "the fastest Windows ever!" and each having higher minimum system requirements than its predecessor, two conclusions are inescapable: 1. The Redmond wizards have devised a method to make software run faster and all it requires is faster hardware. 2. Microsoft is in bed with hardware manufacturers.
Modern Windows PCs feel very noticeably snappier and more responsive than older ones. For all my complaints about Windows, that certainly isn't one. I've had to go back and work on old XP boxes, and that is not a pleasant experience. Admittedly a good chunk of that is SSDs, and better hardware plays a role. But hardware was going to get better anyways regardless of Windows - at least they didn't use the better hardwa…
If you run the same version of windows on both PCs, yes.