Mobile devices have been innovating to boost their performance and overcome power challenges since 2010. Therefore, high-speed and multi-core CPU is mandatory for mobile devices. Energy efficiency is equally important for a longer battery life in mobile devices. Moreover, users’ expectancy on mobile devices has increased rapidly with wishes like multimedia activities, which includes web browsing, watching FHD video, playing 3D games, and multitasking for an extended period.  Exynos 5 Octa has been designed to satisfy ever-growing demands of users for ultimate performance and versatility with an extended battery life.