Samsung Exynos 980 Advantages
Larger memory bandwidth (34.1GB/s vs 29.8GB/s)
More modern manufacturing process (8nm vs 10nm)
Released 2 years and 10 months late
Qualcomm Snapdragon 835 Advantages
Better graphics card performance FLOPS (0.5675 TFLOPS vs 0.2621 TFLOPS )
Higher Frequency (2450MHz vs 2200MHz)