The former is the Qualcomm Snapdragon 865 processor. He uses Samsung's seven-nanometer structure process to support 5G dual-mode full Netcom function. The latter uses a ten-nanometer structure process, which does not support 5G function, only support 4G full Netcom function, from the point of view of running points, the former reached 690,000, the latter only more than 400,000. The former now outnumber the latter by 20%.
First of all, Qualcomm did not release a chip named Snapdragon 8155, so it cannot be compared, and Qualcomm 8 series mobile phone chips do not have Snapdragon 8155.