The Apple A11 is a mobile processor designed by Apple Inc. and was first introduced in 2017. It powers devices like the iPhone 8, iPhone 8 Plus, and iPhone X. The A11 chip features a six-core CPU, which includes two high-performance cores and four energy-efficient cores, allowing for improved speed and battery life. Additionally, the A11 integrates a three-core GPU, enhancing graphics performance for gaming and other visual applications. It also includes a dedicated neural engine for machine learning tasks, making it capable of handling advanced features like Face ID and augmented reality applications.