MediaTek Dimensity 820 Advantages
Higher Frequency (2600MHz vs 2500MHz)
Qualcomm Snapdragon 778G Plus Advantages
Better graphics card performance FLOPS (0.8448 TFLOPS vs 0.416 TFLOPS )
Larger memory bandwidth (25.6GB/s vs 17.07GB/s)
More modern manufacturing process (6nm vs 7nm)
Lower TDP (5W vs 8W)
Released 1 years and 5 months late