Head-To-Head: Apple iPhone 5S Vs. Samsung Galaxy S4


Smartphone Universe

Apple Tuesday unveiled the iPhone 5S, the successor to last fall's redesigned iPhone 5 with features and enhancements unique in the smartphone universe. With an all-new operating system and a central processor that it claims is 40 times more powerful, Apple has evened the playing field it shares with the Samsung Galaxy S4. Here's a look at new features in Apple's iPhone 5S and how they compare with Samsung's Galaxy S4.