In mobile devices, the manufacturing process of the processor refers to the size of the tiny electronic components used to make the chip. Nm stands for nanometer, or billionth of a meter. Therefore, the main difference between the 3Nm and 4Nm processes is the size of the micro-electronic components.
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1. 3Nm process: The 3Nm process means that the micro electronic components on the processor are 3 nanometers in size. This means that microelectronic components are smaller than 4-nanometer processes. Compared to larger sizes, the 3 nm process can provide greater integration and higher performance. It can fit more transistors in the same chip size, providing more computing and graphics processing power.
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2. 4Nm process: The 4Nm process means that the micro electronic components on the processor are 4 nanometers in size. Although slightly larger than the 3-nanometer process, the 4-nanometer process is still finer than past processor processes. It offers higher energy efficiency and performance, and it can provide more computing power and lower heat generation for the same power consumption compared to earlier processes.
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Overall, smaller process sizes generally mean higher performance, higher energy efficiency, and lower power consumption. The smaller size can accommodate more transistors and provide greater integration. However, the choice of the process is also subject to the cost, reliability and manufacturability of the process. Therefore, it is not only the smaller the process size, the better, but also the need to consider other factors.