what is difference between iphone 5 and 5s?
Both phone use 8-megapixel sensors, but the iPhone 5S's is slightly larger. It has a 1/3-inch sensor where the iPhone 5 has a 1/3.2-inch sensor. It's not a massive difference, but does result in slightly larger sensor pixels – 1.4 microns to 1.5 microns. ... The iPhone 5S also has a new flash.