The Apple iPhone 4 brings with it a plenty of improvements in the imaging, performance, design, and the connectivity department. The device measures 115.2 x 58.6 x 9.3mm and weighs 137g. The device comes with an all-new design that includes full glass coverage on the front and the back; it now looks sleek and futuristic. The Apple iPhone 4 is available in Black, and White.
Display & Camera
The display on the Apple iPhone 4 is now an IPS LCD unit, that means now the viewing angles are significantly better. The display size remains the same. However, the resolution has been increased to DVGA (640×960) to increase the sharpness. The display is covered with Corning Gorilla Glass and an oleophobic coating. The Apple iPhone 4 is the first iPhone that comes with a secondary camera, and it is also the first iPhone that comes with an LED flash for the primary camera. The iPhone 4 comes with a 5MP primary camera with the capability to capture HDR photos and record HD videos.
Hardware & Software
The Apple iPhone 4 comes with an Apple A4 chipset for more processing power compared to its predecessor. The iPhone 4 has a single-core Cortex-A8 processor clocked at 1.0GHz and a PowerVR SGX535 GPU. The RAM has now been doubled from 256MB to 512MB with which the device can now handle multitasking with ease. The operating system has been overhauled to provide better looks and added functionalities. The iPhone 4 ships with iOS 4 and it is upgradable to iOS 7.1.2.
Battery & Connectivity
A 1,420 mAh Li-Po battery is in charge of providing the power to the Apple iPhone 4. The device is rated to provide 7 hours of 3G talk time and up to 40 hours of music playback. The connectivity department sees a significant change as the iPhone 4 comes with Wi-Fi n and the ability to use the device as a Wi-Fi hotspot. Other connectivity options include Bluetooth v2.1, GPS with A-GPS, and 3G network support.