HiSilicon Kirin 810 Advantages
Lower TDP (5W vs 6W)
Released 6 months late
Qualcomm Snapdragon 855 Advantages
Better graphics card performance FLOPS (0.8985 TFLOPS vs 0.2362 TFLOPS )
Larger memory bandwidth (34.13GB/s vs 31.78GB/s)
Higher Frequency (2840MHz vs 2270MHz)