HiSilicon Kirin 970 Advantages
Larger memory bandwidth (29.8GB/s vs 17GB/s)
Samsung Exynos 1280 Advantages
Better graphics card performance FLOPS (0.487 TFLOPS vs 0.3318 TFLOPS )
Higher Frequency (2400MHz vs 2360MHz)
More modern manufacturing process (5nm vs 10nm)
Lower TDP (6W vs 9W)
Released 4 years and 6 months late