Sven's trusty pixel-per-inch calculator, the math on Galaxy S4's display resolution rounds off to an impressive 441 ppi, an industry high. By comparison, the 4-inch Retina panel on the iPhone 5 puts out 1,136-x-640, or 326 ppi. And with pixels, more is better. Galaxy S4 protects its panel with Gorilla Glass 3, Corning's latest; the iPhone 5 resists fingerprints. Display advantage goes to Samsung.