Samsung Exynos 980 Advantages
Larger memory bandwidth (34.1GB/s vs 31.78GB/s)
HiSilicon Kirin 820 Advantages
Better graphics card performance FLOPS (0.6528 TFLOPS vs 0.2621 TFLOPS )
Higher Frequency (2360MHz vs 2200MHz)
More modern manufacturing process (7nm vs 8nm)
Lower TDP (5W vs 9W)
Released 6 months late