HiSilicon Kirin 990 4G Advantages
Better graphics card performance FLOPS (0.6912 TFLOPS vs 0.0224 TFLOPS )
Higher Frequency (2860MHz vs 1600MHz)
More modern manufacturing process (7nm vs 14nm)
Released 3 years and 8 months late
Samsung Exynos 7870 Advantages
Lower TDP (3W vs 6W)