A 7-nanometer chip is typically 100 square millimeters, the size of a fingernail.
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Generally speaking, the size of the 7-nanometer chip is about 100 square millimeters, which is about the size of a human fingernail. The 7nm high-process chip is usually used in mobile terminal devices such as mobile phones, because mobile devices need portability, the volume is very small, and its internal space is limited, so the chip has to be very small. Current cell phone chips can fit nearly 10 billion transistors within 100 square millimeters on a 7-nanometer process