Samsung Galaxy Note 2 is the most powerful smartphone or device currently sold by Samsung, boasting a powerful Exynos 4 Quad chipset with four Cortex A9 cores at 1.6 GHz, 2 GB of RAM, 5.5-inch display with Super AMOLED technology and HD resolution, 8 megapixel camera with full HD 1080p video recording support, Android 4.1 Jelly Bean out of the box and a 3,100 mAh battery.