Qualcomm Snapdragon 636 Advantages
Lower TDP (5W vs 6W)
Samsung Exynos 1280 Advantages
Better graphics card performance FLOPS (0.487 TFLOPS vs 0.1843 TFLOPS )
Larger memory bandwidth (17GB/s vs 5.3GB/s)
Higher Frequency (2400MHz vs 1800MHz)
More modern manufacturing process (5nm vs 14nm)
Released 4 years and 5 months late