5-inch, 1080p display making it the world's largest high res display for a phone.
May include a 13-megapixel rear camera, a 2.1-megapixel front camera and 2 GB of RAM, as reported by both SamMobile and HDBlog.it. Storage capacities could start at 16 GB, and go all the way up to 64 GB.
The processor was once thought to be the Exynos 5 octa-core chipset, but overheating issues have come to the forefront and now the U.S. might be getting a quad-core Qualcomm chip, and European markets getting the Exynos 5.
The Galaxy S4 will likely run Android 4.2.
For instance, the New York Times reports that the Galaxy S4 will have an eye-tracking camera that can scroll down a page as you read. The S4 may also have a 360-degree panoramic photo feature called Samsung Orb, which would be similar to the PhotoSphere feature found on Google’s Nexus 4 smartphone.Read more: http://techland.time.com/2013/03/05/everything-we-think-we-know-about-samsungs-galaxy-s4/#ixzz2MmMR7Pbg
Best Widgets for Android link