MediaTek Dimensity 9400 Advantages
Better graphics card performance FLOPS (4.9521 TFLOPS vs 0.9792 TFLOPS )
Larger memory bandwidth (85.3GB/s vs 34.1GB/s)
Higher Frequency (3630MHz vs 3000MHz)
More modern manufacturing process (3nm vs 6nm)
Released 3 years and 9 months late
MediaTek Dimensity 1200 Advantages
Lower TDP (10W vs 15W)