Qualcomm Snapdragon 662 Advantages
Better graphics card performance FLOPS (0.2432 TFLOPS vs 0.1552 TFLOPS )
More modern manufacturing process (11nm vs 12nm)
Lower TDP (4W vs 5W)
Released 1 years and 2 months late
MediaTek Helio P90 Advantages
Larger memory bandwidth (13.91GB/s vs 13.9GB/s)
Higher Frequency (2200MHz vs 2000MHz)