Samsung Exynos 1280 Advantages
More modern manufacturing process (5nm vs 10nm)
Lower TDP (6W vs 9W)
Released 5 years and 4 months late
Qualcomm Snapdragon 835 Advantages
Better graphics card performance FLOPS (0.5675 TFLOPS vs 0.487 TFLOPS )
Larger memory bandwidth (29.8GB/s vs 17GB/s)
Higher Frequency (2450MHz vs 2400MHz)