Samsung Exynos 7884B Advantages
More modern manufacturing process (14nm vs 28nm)
Released 4 years and 5 months late
HiSilicon Kirin 930 Advantages
Better graphics card performance FLOPS (0.0768 TFLOPS vs 0.0493 TFLOPS )
Larger memory bandwidth (12.8GB/s vs 7.8GB/s)
Higher Frequency (2000MHz vs 1560MHz)