First, there is no a111 processor, there is an a11 processor.
The Apple a11 processor is the equivalent of the Snapdragon 845 processor.
It features a 2800 MHz quad-core Kryo 385 Gold (Cortex-A75) and a 1500 MHz quad-core Kryo 385 Silver (Cortex-A55).
The A11 processor is equivalent to the Snapdragon 845 processor powered by TSMC's 10-nanometer process