MediaTek Helio G91 Advantages
Released 1 years and 8 months late
Google Tensor G2 Advantages
Better graphics card performance FLOPS (1.1424 TFLOPS vs 0.096 TFLOPS )
Larger memory bandwidth (51.2GB/s vs 13.41GB/s)
Higher Frequency (2850MHz vs 2000MHz)
More modern manufacturing process (5nm vs 12nm)