Qualcomm Snapdragon 678 Advantages
Better graphics card performance FLOPS (0.3244 TFLOPS vs 0.0912 TFLOPS )
Larger memory bandwidth (14.9GB/s vs 12.8GB/s)
Higher Frequency (2200MHz vs 1900MHz)
More modern manufacturing process (11nm vs 14nm)
Released 3 years and 11 months late
Samsung Exynos 7880 Advantages
Lower TDP (4W vs 6W)