MediaTek Helio G88 Advantages
Lower TDP (5W vs 9W)
Released 2 years and 10 months late
Qualcomm Snapdragon 670 Advantages
Better graphics card performance FLOPS (0.3584 TFLOPS vs 0.096 TFLOPS )
Larger memory bandwidth (14.9GB/s vs 13.41GB/s)
More modern manufacturing process (10nm vs 12nm)