HiSilicon Kirin 820 Advantages
Better graphics card performance FLOPS (0.6528 TFLOPS vs 0.148 TFLOPS )
Larger memory bandwidth (31.78GB/s vs 14.9GB/s)
More modern manufacturing process (7nm vs 28nm)
Lower TDP (5W vs 6W)
Released 6 years and 1 months late
Qualcomm Snapdragon 801 Advantages
Higher Frequency (2500MHz vs 2360MHz)