Display And Battery
Samsung's biggest-ever tablet is built around a 12.2-inch panel that puts out a resolution of 2,560-x-1,600 pixels. That calculates to 247 pixels per inch. Apple's flagship tablet faces the world with a 9.7-inch IPS panel capable of 2,048-x-1,536, or 264 ppi. Galaxy Note PRO devices come with a 9500mAh battery versus iPad Air's 8820mAH cell. Both companies have demonstrated a superior ability to develop power-saving algorithms for their operating systems.