MediaTek Dimensity 810 Advantages
More modern manufacturing process (6nm vs 7nm)
Released 2 years and 8 months late
Qualcomm Snapdragon 855 Advantages
Better graphics card performance FLOPS (0.8985 TFLOPS vs 0.243 TFLOPS )
Larger memory bandwidth (34.13GB/s vs 17.07GB/s)
Higher Frequency (2840MHz vs 2400MHz)