MediaTek Helio P22 Advantages
Larger memory bandwidth (11.92GB/s vs 7.8GB/s)
Higher Frequency (2000MHz vs 1560MHz)
More modern manufacturing process (12nm vs 14nm)
Samsung Exynos 7884B Advantages
Better graphics card performance FLOPS (0.0493 TFLOPS vs 0.041 TFLOPS )
Released 1 years and 4 months late