Qualcomm Snapdragon 690 Advantages
Lower TDP (6W vs 7W)
Google Tensor G2 Advantages
Better graphics card performance FLOPS (1.1424 TFLOPS vs 0.4864 TFLOPS )
Larger memory bandwidth (51.2GB/s vs 14.9GB/s)
Higher Frequency (2850MHz vs 2000MHz)
More modern manufacturing process (5nm vs 8nm)
Released 2 years and 4 months late