Samsung Exynos 7880 Advantages
Lower TDP (4W vs 5W)
HiSilicon Kirin 810 Advantages
Better graphics card performance FLOPS (0.2362 TFLOPS vs 0.0912 TFLOPS )
Larger memory bandwidth (31.78GB/s vs 12.8GB/s)
Higher Frequency (2270MHz vs 1900MHz)
More modern manufacturing process (7nm vs 14nm)
Released 2 years and 5 months late