Apple A15 Bionic 's Advantages
Better graphics card performance FLOPS (1.7126 TFLOPS vs 0.0576 TFLOPS )
Higher Frequency (3230MHz vs 2120MHz)
More modern manufacturing process (5nm vs 16nm)
Released 4 years and 9 months late
HiSilicon Kirin 655 's Advantages
Lower TDP (5W vs 6W)