Qualcomm Snapdragon 678 Advantages
Better graphics card performance FLOPS (0.3244 TFLOPS vs 0.3072 TFLOPS )
Higher Frequency (2200MHz vs 2000MHz)
More modern manufacturing process (11nm vs 20nm)
Released 6 years and 8 months late
Qualcomm Snapdragon 810 Advantages
Larger memory bandwidth (25.6GB/s vs 14.9GB/s)