this post was submitted on 22 Nov 2024
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[–] Streetlights@lemmy.world 14 points 2 days ago (2 children)

Insane engineering. The diameter of a silicon atom is about 0.2nm for context.

It's also bullshit as it has no bearing on the actual properties of the chips. Manufacturers use these as product names. Here's an article discussing it.

https://www.pcgamesn.com/amd/tsmc-7nm-5nm-and-3nm-are-just-numbers

[–] overload@sopuli.xyz 4 points 2 days ago* (last edited 2 days ago) (2 children)

Its magic. Can't believe we have the technology to do so.it does mean we're fast approaching the hard limit where new innovations will have to be made beyond making the electronics smaller and more dense.

[–] Tacoma@feddit.org 6 points 2 days ago (2 children)

While it is magic, and great engineering, it is also 'just' marketing, as in, actual physical features are not 1.6nm but more around 20nm, see for example https://en.wikipedia.org/wiki/2_nm_process

[–] 9488fcea02a9@sh.itjust.works 2 points 1 day ago

Wait, so everything since 22nm has been just marketing hype?

[–] overload@sopuli.xyz 1 points 2 days ago

Interesting read!

[–] ChairmanMeow@programming.dev 1 points 2 days ago

Perhaps photonic processors will be the next big thing. But that's still well in the future.

[–] vulture_god@lemmy.dbzer0.com 4 points 2 days ago

Silicon manufacturing is one of my obsessive interests. For anyone else interested in learning more, I've learned a lot from the Asianometry YouTube channels.