Qualcomm Snapdragon 636 's Advantages
Better graphics card performance FLOPS (0.1843 TFLOPS vs 0.1536 TFLOPS )
More modern manufacturing process (14nm vs 28nm)
Lower TDP (5W vs 9W)
Released 2 years and 8 months late
Qualcomm Snapdragon 650 's Advantages
Larger memory bandwidth (14.9GB/s vs 5.3GB/s)