Samsung Exynos 9820 Advantages
Better graphics card performance FLOPS (0.607 TFLOPS vs 0.1152 TFLOPS )
Higher Frequency (2730MHz vs 2500MHz)
More modern manufacturing process (8nm vs 16nm)
Released 2 years and 7 months late
HiSilicon Kirin 955 Advantages
Lower TDP (5W vs 9W)