Qualcomm Snapdragon 665 Advantages
Lower TDP (5W vs 6W)
HiSilicon Kirin 9000 Advantages
Better graphics card performance FLOPS (2.3316 TFLOPS vs 0.2432 TFLOPS )
Larger memory bandwidth (44GB/s vs 14.9GB/s)
Higher Frequency (3130MHz vs 2000MHz)
More modern manufacturing process (5nm vs 11nm)
Released 1 years and 6 months late