What is a 3nm processor and why does it matter?

The iPhone 15 Pro and iPhone 15 Pro Max have just been announced and it features the Apple A17 Pro chip. The new chip uses a 3nm process, but what does that mean? Knowing what a nanometer is, in the context of computer chips, isn’t something every consumer needs to know. But, it is a key part of the technology and, when a big advancement happens, it can mean a lot for the user experience. With the Apple A17

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