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They are actually finding ways to defy the laws of physics. The upper limit of microtransistors in proxima is 4nm?
The “nm” value in a process name is a pure marketing term. Here’s a table with corresponding real-world values.
Process Gate pitch Metal pitch Year 7 nm 60 nm 40 nm 2018 5 nm 51 nm 30 nm 2020 3 nm 48 nm 24 nm 2022 2 nm 45 nm 20 nm 2025 1 nm 42 nm 16 nm 2027Source: Wikipedia
They’re making shit up
The name of the node process is more of a marketing term, rather than an actual feature length of the die. 3nm is already widely available and 2nm is known to work. The news should be using the name in the same meaning.
