The big icons make way more sense and more things have icons, the ".." line is more natural than the dedicated "dir up" button, the "create archive" dialog is more organized and its options more discoverable...

And when you run an executable from it, it (I think) unzips the whole archive, not just the file, so DLLs etc. can be loaded properly. Just saves some effort and thinking when you need it and doesn't make a difference when you don't