Samsung Exynos 850 Advantages
More modern manufacturing process (8nm vs 10nm)
Lower TDP (3W vs 9W)
Released 2 years and 8 months late
HiSilicon Kirin 970 Advantages
Better graphics card performance FLOPS (0.3318 TFLOPS vs 0.0394 TFLOPS )
Higher Frequency (2360MHz vs 2000MHz)