Qualcomm Snapdragon 675 Advantages
Lower TDP (6W vs 9W)
Samsung Exynos 9820 Advantages
Better graphics card performance FLOPS (0.607 TFLOPS vs 0.3244 TFLOPS )
Larger memory bandwidth (33.4GB/s vs 14.9GB/s)
Higher Frequency (2730MHz vs 2000MHz)
More modern manufacturing process (8nm vs 11nm)