Qualcomm Snapdragon 855 's Advantages
Lower TDP (6W vs 7W)
Google Tensor G2 's Advantages
Better graphics card performance FLOPS (1.1424 TFLOPS vs 0.8985 TFLOPS )
Larger memory bandwidth (51.2GB/s vs 34.13GB/s)
Higher Frequency (2850MHz vs 2840MHz)
More modern manufacturing process (5nm vs 7nm)
Released 3 years and 10 months late