HiSilicon Kirin 658 Advantages
Lower TDP (5W vs 9W)
Samsung Exynos 9825 Advantages
Better graphics card performance FLOPS (0.6515 TFLOPS vs 0.0576 TFLOPS )
Higher Frequency (2730MHz vs 2350MHz)
More modern manufacturing process (7nm vs 16nm)
Released 2 years and 5 months late