MediaTek Helio A22 Advantages
Larger memory bandwidth (13.9GB/s vs 7.8GB/s)
Higher Frequency (2000MHz vs 1560MHz)
More modern manufacturing process (12nm vs 14nm)
Lower TDP (4W vs 5W)
Samsung Exynos 7884B Advantages
Better graphics card performance FLOPS (0.0493 TFLOPS vs 0.0208 TFLOPS )
Released 1 years and 3 months late