5 nm refers to the size of the chip manufacturing process. A nanometer (nm) is a unit of length equal to one billionth of a meter. In the semiconductor industry, the process size specifies the size of the components inside the manufactured chip. The 5 nm process indicates that the smallest component size on the chip is 5 nanometers, such as transistors. Smaller process sizes allow for higher density chips and more transistors, providing higher performance and lower power consumption. Therefore, the 5 nm process of the chip will have more powerful computing power, and can meet the growing demand for high performance computing and the development of emerging technologies.