this post was submitted on 03 Aug 2024
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Don’t trust any silicon manufacturer’s marketing department. Let the processing and battery life benchmarks and real world tests do the talking.
AMD's CPUs are faster and more power efficient on the same process node. (i.e. 5nm vs 5nm)
https://www.cpu-monkey.com/en/compare_cpu-amd_ryzen_ai_9_hx_370-vs-apple_m2
Apple just has a big budget to buy out TSMC process nodes a generation early, their designs and architectures aren't actually faster or more power efficient than AMD's x86 cpus.
https://www.macrumors.com/2023/02/22/apple-secures-tsmc-3nm-chips/
Minor nit, but I believe that AMD CPU is 4nm
I believe both M2 and Zen 5 use 4nm. 4nm is just a slightly improved 5nm, though. It's the same process node, not an entirely new process node like 3nm.
Everything I see says the M2 family is 5. Vanilla, pro, max, and ultra.
The nm process for each CPU is listed in technical details on cpu-monkey
Rumors before the M2 release said that it used 4nm.
https://www.macrumors.com/2022/03/10/m2-macs-with-tsmc-4nm-process/
Apple says they use "second generation 5nm technology"
https://www.apple.com/newsroom/2022/06/apple-unveils-m2-with-breakthrough-performance-and-capabilities/
TSMC's website says they have 6 different 5nm nodes: N5, N5P, N5A N4, N4P, N4X
https://www.tsmc.com/english/dedicatedFoundry/technology/logic/l_5nm
So the M2 likely uses N5P, N4, or N4P. N4 and N4P are usually called 4nm in marketing material.
There's probably a leaker out there with more knowledge.
Not trying to start a debate, just saying the specs in the link were different than what was mentioned.
My point is that the M series transition went very well.
Sure, I was just explaining it because the whole 5/4 thing is confusing.