HiSilicon Kirin 990 4G Advantages
Lower TDP (6W vs 8W)
Qualcomm Snapdragon 8 Elite Advantages
Better graphics card performance FLOPS (3.3792 TFLOPS vs 0.6912 TFLOPS )
Larger memory bandwidth (42.7GB/s vs 34.1GB/s)
Higher Frequency (4320MHz vs 2860MHz)
More modern manufacturing process (3nm vs 7nm)
Released 5 years late