Qualcomm Snapdragon 855 Advantages
Better graphics card performance FLOPS (0.8985 TFLOPS vs 0.608 TFLOPS )
Higher Frequency (2840MHz vs 2400MHz)
Samsung Exynos 1380 Advantages
Larger memory bandwidth (51.2GB/s vs 34.13GB/s)
More modern manufacturing process (5nm vs 7nm)
Lower TDP (5W vs 6W)
Released 4 years and 2 months late