Qualcomm Snapdragon 855 Advantages
Larger memory bandwidth (34.13GB/s vs 34.1GB/s)
Higher Frequency (2840MHz vs 2600MHz)
Lower TDP (6W vs 10W)
MediaTek Dimensity 1100 Advantages
Better graphics card performance FLOPS (0.9792 TFLOPS vs 0.8985 TFLOPS )
More modern manufacturing process (6nm vs 7nm)
Released 2 years and 1 months late