Qualcomm Snapdragon 630 Advantages
Better graphics card performance FLOPS (0.1664 TFLOPS vs 0.024 TFLOPS )
Higher Frequency (2200MHz vs 1400MHz)
More modern manufacturing process (14nm vs 28nm)
Released 1 years and 3 months late
Qualcomm Snapdragon 425 Advantages
Larger memory bandwidth (5.34GB/s vs 5.3GB/s)