Credit: Boy Genius Report
There's a lot of "more of everything" to this update (faster processor, more RAM, bigger screen, more pixels in the cameras & bigger battery), but there's a lot that's new. In the hardware area, this includes barometer, RGB light sensor, gesture sensor, temperature sensor & humidity sensor. More detail at:
http://bgr.com/2013/04/24/samsung-galaxy-s4-review-448039/ / Android phone cell mobile smartphone screen pixel density retina display glossy plastic previous model buttons technology 1.9GHz quad-core quad core processor 2GB RAM 13 megapixel rear camera 2 front camera 4G LTE, 802.11 a b g n ac NFC 2,600 mAh battery noise cancellation barometer RGB light sensor gesture sensor, temperature sensor humidity gyroscope proximity sensor accelerometer thinner lighter stretch my hand tap targets slimmer bezel surrounding display Air View stylus hover mouse over S pen s-pen preview Air Gestures interact infrared sensor screen ear wave your hand ear proximity sensor Smart Pause head /
