HiSilicon Kirin 990 4G Advantages
Better graphics card performance FLOPS (0.6912 TFLOPS vs 0.041 TFLOPS )
Larger memory bandwidth (34.1GB/s vs 11.92GB/s)
Higher Frequency (2860MHz vs 2000MHz)
More modern manufacturing process (7nm vs 12nm)
Released 1 years and 5 months late
MediaTek Helio P22 Advantages
Lower TDP (5W vs 6W)