A9

There are two variants of the A9 system-on-a-chip:
 * A9, used in the iPad (5th generation), iPhone 6s, iPhone 6s Plus and iPhone SE (1st generation).
 * S8000 (Manufactured by Samsung Electronics)
 * S8003 (Manufactured by TSMC)
 * A9X
 * S8001, used in the iPad Pro.