The title of the thread should be the stock browser is driving you crazy. Don't blame the phone for a bad app. That said, while the S4 hardware is good, many of the Samsung apps are not that good.
Chrome is a great browser, particularly if you use Chrome on your desktop too, because your Bookmark Bar shortcuts will stay synced. Chrome wasn't designed for the Gingerbread version of Android, and getting Chrome was one of the main reasons I wanted to upgrade my phone.