MediaTek Dimensity 820 Advantages
Better graphics card performance FLOPS (0.416 TFLOPS vs 0.243 TFLOPS )
Higher Frequency (2600MHz vs 2400MHz)
MediaTek Dimensity 810 Advantages
More modern manufacturing process (6nm vs 7nm)
Lower TDP (6W vs 8W)
Released 1 years and 3 months late