Apple has added a ton of features to the iPad 3, a retina display and a A5x chipset which is a quad core chip. Comparing to a Tegra 3, Apple says the A5 is “twice as fast” and the A5X offers “four times the? performance.”
In the camera department Apple has added a 5-megapixel backside illuminated sensor on the back, 5-element lens, IR filter, and ISP built into ?the A5X chip along with a new iSight HD camera in the front. The cameras are now capable of Auto-exposure, auto-focus the rear camera has 1080p video recording and video stabilization.