MediaTek Dimensity 820 Advantages
Better graphics card performance FLOPS (0.416 TFLOPS vs 0.0418 TFLOPS )
Larger memory bandwidth (17.07GB/s vs 13.9GB/s)
Higher Frequency (2600MHz vs 2000MHz)
More modern manufacturing process (7nm vs 12nm)
MediaTek Helio G25 Advantages
Lower TDP (2W vs 8W)