The Exynos 7420 is a mobile processor developed by Samsung Electronics. Launched in 2015, it was the first chip to use a 14nm manufacturing process, which improved energy efficiency and performance. This octa-core processor features four high-performance cores and four power-efficient cores, allowing devices to balance speed and battery life effectively. Designed for use in smartphones and tablets, the Exynos 7420 supports advanced features like 4K video playback and high-resolution displays. It was notably used in the Samsung Galaxy S6 and Galaxy S6 Edge, contributing to their high performance and user experience.