Qualcomm Snapdragon 425 Advantages
Lower TDP (5W vs 7W)
Google Tensor G2 Advantages
Better graphics card performance FLOPS (1.1424 TFLOPS vs 0.024 TFLOPS )
Larger memory bandwidth (51.2GB/s vs 5.34GB/s)
Higher Frequency (2850MHz vs 1400MHz)
More modern manufacturing process (5nm vs 28nm)
Released 6 years and 8 months late