Samsung Exynos 7870 Advantages
Lower TDP (3W vs 6W)
HiSilicon Kirin 9000E Advantages
Better graphics card performance FLOPS (2.1373 TFLOPS vs 0.0224 TFLOPS )
Higher Frequency (3130MHz vs 1600MHz)
More modern manufacturing process (5nm vs 14nm)
Released 4 years and 8 months late