Samsung Exynos 1280 Advantages
More modern manufacturing process (5nm vs 7nm)
Released 3 years and 7 months late
HiSilicon Kirin 980 Advantages
Better graphics card performance FLOPS (0.5184 TFLOPS vs 0.487 TFLOPS )
Larger memory bandwidth (34.1GB/s vs 17GB/s)
Higher Frequency (2600MHz vs 2400MHz)