MediaTek Dimensity 1080 Advantages
Lower TDP (4W vs 15W)
MediaTek Dimensity 9400 Advantages
Better graphics card performance FLOPS (4.9521 TFLOPS vs 0.686 TFLOPS )
Higher Frequency (3630MHz vs 2600MHz)
More modern manufacturing process (3nm vs 6nm)
Released 2 years late