What do 7nm and 5nm of the chip mean? Why is this indicator so important?

The 5 nm and 7 nm of the chip are the widths between transistors inside the chip. The smaller the value, the more advanced the technology, so it is very important.

0 1, 5nm, 7nm indicates the width. In the chip, there are many transistors, and the width of each transistor will be expressed by 5nm, 7nm. What is the professional point? Process? . ? nm？ Is it a unit, that is, in Chinese? Nano? . 1 nm is equal to 0.000000 1 cm, and the widths of 5 nm and 7 nm can be imagined, so small that we may not be able to distinguish them with our naked eyes. This kind of data is actually very common in daily life. People who know something about mobile phones will know that some brands will say how many nm chips they use when they do publicity work for their mobile phones. In other words, such numbers actually represent a technology that can enhance consumers' desire to buy.

Of course, at present, 7nm chips are not very common, but 5nm chips are still a comparison in the market. Future? Something. After all, there seems to be only a very small gap between the chip from 7nm to 5nm, but from a technical point of view, this is a huge step.

02. The smaller the number, the more advanced the technology. nm？ The number in front of the unit also symbolizes a production process or technology. The smaller the number, the more advanced the technology. To put it bluntly, I'll give you a chip of the same size and let you put transistors in it. Among them, the number of 5nm transistors that can be carried must exceed 7nm transistors. In this case, the more transistors, the better the performance. Of course, this is an ideal statement. For example, in the case of storing clothes, folding them flat and compressing their volume, more clothes can be accommodated in the same box, and the performance of the box will be better.

But how to reduce the size of a dress? This is technology. Different technologies will lead to different numbers of clothes placed in the storage box.

At the same time, the smaller the number, the lower the power consumption. Similarly, in a popular saying, A runs 500 meters to B, but after shortening the distance, it only needs to run 200 meters, which naturally consumes less physical strength than 500 meters. And less physical consumption, relatively more energy-saving. Therefore, major manufacturers are constantly catching up with each other, hoping to break through the current technology to make their own chips in the market? C position? Enhance their competitiveness and value. For consumers, the smaller the chip value, the better the performance. Who doesn't want to use a product with better performance?

However, the smaller the value, the less likely it is. Because after the numerical value is compressed to a certain extent, it may be necessary to combine with other technologies to make breakthroughs before it is possible to make a chip? nm？ Get smaller. Therefore, we still have a long way to go in chip production.