Samsung Exynos 9810 Advantages
Higher Frequency (2900MHz vs 2360MHz)
HiSilicon Kirin 820 Advantages
Better graphics card performance FLOPS (0.6528 TFLOPS vs 0.3706 TFLOPS )
Larger memory bandwidth (31.78GB/s vs 28.7GB/s)
More modern manufacturing process (7nm vs 10nm)
Released 2 years and 2 months late