Samsung Exynos 880 Advantages
More modern manufacturing process (8nm vs 10nm)
Lower TDP (5W vs 9W)
Released 2 years and 8 months late
HiSilicon Kirin 970 Advantages
Better graphics card performance FLOPS (0.3318 TFLOPS vs 0.2592 TFLOPS )
Higher Frequency (2360MHz vs 2000MHz)