>> https://en.wikipedia.org/wiki/Apple_A12
>> A12 is hexa-core (2 "big" cores, 4 "small" cores) at 2.49 GHz. The new "big" core
>> is named Vortex, while the new "small" core is named Tempest.

> Just how powerful do you think the the new A13 chip will be?

https://en.wikipedia.org/wiki/Apple_A13

A13 is hexa-core (2 "big" cores, 4 "small" cores) at 2.65 GHz. The new "big" core is named Lightning, while the new "small" core is named Thunder.