A Geekbench test shows the iPhone 14's A16 chip, built on a 4nm process, is only marginally faster than the iPhone 13's A15 chip, built on a 5nm process (Sami Fathi/MacRumors)

Sami Fathi / MacRumors:
A Geekbench test shows the iPhone 14's A16 chip, built on a 4nm process, is only marginally faster than the iPhone 13's A15 chip, built on a 5nm process  —  A Geekbench score for the iPhone 14 Pro with the new A16 Bionic chip has revealed little performance improvement compared to the iPhone 13 Pro from last year.