Samsung Exynos 7884B Advantages
Lower TDP (5W vs 9W)
Released 2 years late
HiSilicon Kirin 970 Advantages
Better graphics card performance FLOPS (0.3318 TFLOPS vs 0.0493 TFLOPS )
Larger memory bandwidth (29.8GB/s vs 7.8GB/s)
Higher Frequency (2360MHz vs 1560MHz)
More modern manufacturing process (10nm vs 14nm)