Qualcomm Snapdragon 665 Advantages
Lower TDP (5W vs 7W)
Google Tensor G2 Advantages
Better graphics card performance FLOPS (1.1424 TFLOPS vs 0.2432 TFLOPS )
Larger memory bandwidth (51.2GB/s vs 14.9GB/s)
Higher Frequency (2850MHz vs 2000MHz)
More modern manufacturing process (5nm vs 11nm)
Released 3 years and 6 months late