HiSilicon Kirin 658 Advantages
Higher Frequency (2350MHz vs 2000MHz)
Lower TDP (5W vs 8W)
MediaTek Dimensity 800 Advantages
Better graphics card performance FLOPS (0.3328 TFLOPS vs 0.0576 TFLOPS )
More modern manufacturing process (7nm vs 16nm)
Released 2 years and 9 months late