Samsung Exynos 990 Advantages
Better graphics card performance FLOPS (1.126 TFLOPS vs 0.0576 TFLOPS )
Higher Frequency (2730MHz vs 2000MHz)
More modern manufacturing process (7nm vs 16nm)
Released 3 years and 9 months late
HiSilicon Kirin 650 Advantages
Lower TDP (5W vs 9W)