Qualcomm Snapdragon 636 Advantages
Lower TDP (5W vs 6W)
Apple A12 Bionic Advantages
Better graphics card performance FLOPS (0.576 TFLOPS vs 0.1843 TFLOPS )
Larger memory bandwidth (34.1GB/s vs 5.3GB/s)
Higher Frequency (2490MHz vs 1800MHz)
More modern manufacturing process (7nm vs 14nm)
Released 11 months late