Qualcomm Snapdragon 678 Advantages
Better graphics card performance FLOPS (0.3244 TFLOPS vs 0.2496 TFLOPS )
More modern manufacturing process (11nm vs 14nm)
Released 5 years and 1 months late
Samsung Exynos 8890 Advantages
Larger memory bandwidth (26.82GB/s vs 14.9GB/s)
Higher Frequency (2300MHz vs 2200MHz)
Lower TDP (5W vs 6W)