Unisoc SC9863A Advantages
Lower TDP (3W vs 4W)
MediaTek Dimensity 900 Advantages
Better graphics card performance FLOPS (0.621 TFLOPS vs 0.0704 TFLOPS )
Higher Frequency (2400MHz vs 1600MHz)
More modern manufacturing process (6nm vs 28nm)
Released 2 years and 6 months late