It's not a big deal, until you try running the game at high speed multiples (which I do from time to time for build-testing), at which point autosave frequency can become a real (if minor and easily correctable) annoyance. Conversely, if your UPS is something insufferable like 20, you can do a lot more "stuff" in, say, 20 in-game minutes, than you probably could if your UPS is 60 (unless you drank /lots/ of coffee
