5g chips need a few nanometers, because 5g is a communication baseband, it can be integrated in the chip, it can also be attached to the chip, so it has little to do with the number of nanometers of the chip process, as long as it is a chip that integrates 5g baseband, it is 5g chip. The smaller the process of the chip, the higher the number of transistors integrated on the chip, which means that the performance of the chip is stronger, and the lower the power consumption ratio, so each chip foundries are developing more advanced process processes, and now the most advanced mass production process process is 5 nm