MediaTek Helio P70 Advantages
Lower TDP (5W vs 6W)
Qualcomm Snapdragon 855 Advantages
Better graphics card performance FLOPS (0.8985 TFLOPS vs 0.0972 TFLOPS )
Larger memory bandwidth (34.13GB/s vs 13.41GB/s)
Higher Frequency (2840MHz vs 2100MHz)
More modern manufacturing process (7nm vs 12nm)