It is much faster than the iPhone 5, as it has a quad core processor, not a dual core, like iPhone 5, laboratory tests have shown that Galaxy S4 is two times faster than the iPhone 5.
Galaxy's screen is much larger than the screen of the iPhone 5, having 5 inches; such a larger screen means more applications run simultaneously on the same page, more space for video and much better quality.
Galaxy S4 has better operating system than Iphone5, with the android 4.2.2 Samsung's buyers can download applications much easier and can synchronize their phones with compatible Samsung TVs. Furthermore, the Galaxy S4 suggest his user programs and applications according to its search history and recently run programs, so helping to customize and adapt to the specific needs of the buyer.
Samsung Galaxy S4 will be available to all local mobile operators, including T-Mobile.