MediaTek Dimensity 9400 's Advantages
Better graphics card performance FLOPS (4.9521 TFLOPS vs 0.3328 TFLOPS )
Larger memory bandwidth (85.3GB/s vs 17.07GB/s)
Higher Frequency (3630MHz vs 2000MHz)
More modern manufacturing process (3nm vs 7nm)
Released 4 years and 10 months late
MediaTek Dimensity 800 's Advantages
Lower TDP (8W vs 15W)