MediaTek Dimensity 920 Advantages
Larger memory bandwidth (51.2GB/s vs 29.8GB/s)
More modern manufacturing process (6nm vs 10nm)
Lower TDP (4W vs 9W)
Released 3 years and 8 months late
Qualcomm Snapdragon 845 Advantages
Better graphics card performance FLOPS (0.727 TFLOPS vs 0.684 TFLOPS )
Higher Frequency (2800MHz vs 2500MHz)