HiSilicon Kirin 990 5G Advantages
Better graphics card performance FLOPS (0.6912 TFLOPS vs 0.0704 TFLOPS )
Higher Frequency (2860MHz vs 1600MHz)
More modern manufacturing process (7nm vs 28nm)
Released 11 months late
Unisoc SC9863A Advantages
Lower TDP (3W vs 6W)