Qualcomm Snapdragon 678 Advantages
Better graphics card performance FLOPS (0.3244 TFLOPS vs 0.0918 TFLOPS )
Larger memory bandwidth (14.9GB/s vs 11.9GB/s)
Lower TDP (6W vs 9W)
Released 1 years and 7 months late
Samsung Exynos 9609 Advantages
More modern manufacturing process (10nm vs 11nm)