MediaTek Dimensity 9400 Advantages
Better graphics card performance FLOPS (4.9521 TFLOPS vs 1.309 TFLOPS )
Larger memory bandwidth (85.3GB/s vs 51.2GB/s)
Higher Frequency (3630MHz vs 2850MHz)
More modern manufacturing process (3nm vs 5nm)
Released 2 years and 7 months late
MediaTek Dimensity 8100 Advantages
Lower TDP (6W vs 15W)