HiSilicon Kirin 820 Advantages
Better graphics card performance FLOPS (0.6528 TFLOPS vs 0.4093 TFLOPS )
More modern manufacturing process (7nm vs 10nm)
Lower TDP (5W vs 8W)
Released 2 years and 6 months late
Apple A11 Bionic Advantages
Larger memory bandwidth (34.1GB/s vs 31.78GB/s)
Higher Frequency (2390MHz vs 2360MHz)