HiSilicon Kirin 9000 Advantages
Lower TDP (6W vs 15W)
MediaTek Dimensity 9400 Advantages
Better graphics card performance FLOPS (4.9521 TFLOPS vs 2.3316 TFLOPS )
Larger memory bandwidth (85.3GB/s vs 44GB/s)
Higher Frequency (3630MHz vs 3130MHz)
More modern manufacturing process (3nm vs 5nm)
Released 4 years late