HiSilicon Kirin 820 Advantages
Better graphics card performance FLOPS (0.6528 TFLOPS vs 0.0224 TFLOPS )
Higher Frequency (2360MHz vs 1600MHz)
More modern manufacturing process (7nm vs 14nm)
Released 4 years and 1 months late
Samsung Exynos 7870 Advantages
Lower TDP (3W vs 5W)