Qualcomm Snapdragon 439 Advantages
Lower TDP (5W vs 8W)
Apple A17 Pro Advantages
Better graphics card performance FLOPS (2.1472 TFLOPS vs 0.0432 TFLOPS )
Larger memory bandwidth (51.2GB/s vs 6.4GB/s)
Higher Frequency (3780MHz vs 2000MHz)
More modern manufacturing process (3nm vs 12nm)
Released 5 years and 3 months late