MediaTek Dimensity 820 Advantages
Better graphics card performance FLOPS (0.416 TFLOPS vs 0.1152 TFLOPS )
Higher Frequency (2600MHz vs 2500MHz)
More modern manufacturing process (7nm vs 16nm)
Released 4 years and 1 months late
HiSilicon Kirin 955 Advantages
Lower TDP (5W vs 8W)