MediaTek Dimensity 7020 Advantages
Larger memory bandwidth (51.2GB/s vs 14.9GB/s)
More modern manufacturing process (6nm vs 11nm)
Lower TDP (4W vs 6W)
Released 2 years and 5 months late
Qualcomm Snapdragon 678 Advantages
Better graphics card performance FLOPS (0.3244 TFLOPS vs 0.2592 TFLOPS )