Qualcomm Snapdragon 678 Advantages
Better graphics card performance FLOPS (0.3244 TFLOPS vs 0.1248 TFLOPS )
Larger memory bandwidth (14.9GB/s vs 7.46GB/s)
Higher Frequency (2200MHz vs 2000MHz)
More modern manufacturing process (11nm vs 14nm)
Released 4 years and 10 months late
Qualcomm Snapdragon 625 Advantages
Lower TDP (5W vs 6W)