MediaTek Helio P90 Advantages
Higher Frequency (2200MHz vs 1850MHz)
More modern manufacturing process (12nm vs 14nm)
Released 3 years and 2 months late
Apple A9 Advantages
Better graphics card performance FLOPS (0.2496 TFLOPS vs 0.1552 TFLOPS )
Larger memory bandwidth (14.9GB/s vs 13.91GB/s)