Unisoc SC9863A Advantages
Lower TDP (3W vs 5W)
HiSilicon Kirin 820 Advantages
Better graphics card performance FLOPS (0.6528 TFLOPS vs 0.0704 TFLOPS )
Higher Frequency (2360MHz vs 1600MHz)
More modern manufacturing process (7nm vs 28nm)
Released 1 years and 4 months late