Qualcomm Snapdragon 662 Advantages
Better graphics card performance FLOPS (0.2432 TFLOPS vs 0.2362 TFLOPS )
Lower TDP (4W vs 5W)
Released 7 months late
HiSilicon Kirin 810 Advantages
Larger memory bandwidth (31.78GB/s vs 13.9GB/s)
Higher Frequency (2270MHz vs 2000MHz)
More modern manufacturing process (7nm vs 11nm)