TSMC and Apple reportedly discussed 2nm chips for future iPhone models

Last year, became the first phone manufacturer to use a chipset manufactured using the 5nm process node to drive a handset. The process node reflects the number of transistors that can fit in a square mm. The higher this transistor density, the more powerful or energy efficient a chip is. For example, the 7nm A13 Bionic chip had a transistor density of nearly 900 transistors per square mm. Overall, that chip sported 8.5 billion transistors inside (known as the transistor count). The 5nm A14 Bionic fits 134 million transistors into a square mm, a 49% improvement over the A13 Bionic’s transistor …
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