Apple is developing a processor dedicated to AI-related tasks to provide a better performance and make daily tasks easier. Rumours are there they are known as Neural Engineincluding facial recognition and speech recognition and more.
Can’t say anything right now you just nees to wait till June 5 Where siri speakers as well as iOS 11 ,Macbook and more will be discussed at WWDC 17.
The Neural Engine would allow Apple to offload those processes onto a discreet module, freeing up the other chips and possibly improving battery life in the process.
Tests has already begun.Apple is in rush to compete with Amazon Alexa Google Assistant.