MediaTek Helio A22 Advantages
More modern manufacturing process (12nm vs 16nm)
Lower TDP (4W vs 5W)
Released 2 years and 2 months late
HiSilicon Kirin 955 Advantages
Better graphics card performance FLOPS (0.1152 TFLOPS vs 0.0208 TFLOPS )
Higher Frequency (2500MHz vs 2000MHz)