Apple A9 Advantages
Better graphics card performance FLOPS (0.2496 TFLOPS vs 0.2432 TFLOPS )
Larger memory bandwidth (14.9GB/s vs 13.9GB/s)
Qualcomm Snapdragon 662 Advantages
Higher Frequency (2000MHz vs 1850MHz)
More modern manufacturing process (11nm vs 14nm)
Lower TDP (4W vs 5W)
Released 4 years and 4 months late