MediaTek Dimensity 820 Advantages
Lower TDP (8W vs 10W)
Qualcomm Snapdragon 888 Advantages
Better graphics card performance FLOPS (1.72 TFLOPS vs 0.416 TFLOPS )
Larger memory bandwidth (51.2GB/s vs 17.07GB/s)
Higher Frequency (2840MHz vs 2600MHz)
More modern manufacturing process (5nm vs 7nm)
Released 7 months late