MediaTek Helio G91 Advantages
Released 4 years and 6 months late
Qualcomm Snapdragon 765 Advantages
Better graphics card performance FLOPS (0.576 TFLOPS vs 0.096 TFLOPS )
Larger memory bandwidth (17GB/s vs 13.41GB/s)
Higher Frequency (2300MHz vs 2000MHz)
More modern manufacturing process (7nm vs 12nm)