Qualcomm Snapdragon 625 Advantages
Larger memory bandwidth (7.46GB/s vs 5.3GB/s)
Qualcomm Snapdragon 630 Advantages
Better graphics card performance FLOPS (0.1664 TFLOPS vs 0.1248 TFLOPS )
Higher Frequency (2200MHz vs 2000MHz)
Released 1 years and 3 months late