Qualcomm Snapdragon 835 Advantages
Better graphics card performance FLOPS (0.5675 TFLOPS vs 0.2432 TFLOPS )
Larger memory bandwidth (29.8GB/s vs 13.9GB/s)
Higher Frequency (2450MHz vs 2000MHz)
More modern manufacturing process (10nm vs 11nm)
Qualcomm Snapdragon 662 Advantages
Lower TDP (4W vs 9W)
Released 3 years and 2 months late