MediaTek Helio G37 Advantages
Higher Frequency (2300MHz vs 2000MHz)
Lower TDP (2.2W vs 5W)
Released 1 years and 2 months late
Qualcomm Snapdragon 665 Advantages
Better graphics card performance FLOPS (0.2432 TFLOPS vs 0.0435 TFLOPS )
Larger memory bandwidth (14.9GB/s vs 13.9GB/s)
More modern manufacturing process (11nm vs 12nm)