Qualcomm Snapdragon 855 Plus Advantages
Better graphics card performance FLOPS (1.0368 TFLOPS vs 0.2432 TFLOPS )
Larger memory bandwidth (34.13GB/s vs 14.9GB/s)
Higher Frequency (2960MHz vs 2000MHz)
More modern manufacturing process (7nm vs 11nm)
Qualcomm Snapdragon 665 Advantages
Lower TDP (5W vs 6W)