Perforce is mostly a better Subversion. The two have an extremely similar model, but Perforce handles merges much better and gives more flexibility in slicing a

Perforce is mostly a better Subversion. The two have an extremely similar model, but Perforce handles merges much better and gives more flexibility in slicing and dicing your local view of the repo (extremely useful for huge monorepos). Disclaimer: it's been several years since I've used Subversion, this may have changed.