https://www.cpu-monkey.com/ja/compare_cpu-apple_a14_bionic-vs-apple_a15_bionic

Geekbench 5,64bit(Single-Core)
1,747 (A14は1,592) +9.7%

Geekbench 5, 64bit (Multi-Core)
4,569 (A14は4,112) +11.1%