Global Foundries is a failed experiment. Spinning off Global Foundries didn't save AMD, instead AMD went through its worst years afterwards.
You presume to know what would've happened had AMD
not sold it. Where would they have gotten the operating cash to keep turning out new designs? Even
with the spinoff, they still had several rounds of layoffs. I think they had already cut to the bone, so don't tell me they could've just "trimmed the fat".
Also, accepting other customers surely helped GloFo sustain its own development, compared to a scenario where their fortunes were tied to AMD's products. As rough as it was for them, it probably would've been
worse, had AMD not sold it off.
AMD doesn't have its own foundries and consistently fails or is unable to get the supply to meet demand. The launch of the Ryzen 7840 was virtually a paper launch at first as almost no laptops included it for the first few months.
Consistently? Most of their availability problems occurred due to the runaway success of their Zen 2-based EPYCs, followed by the pandemic, and got sorted out by late 2022. It's not as if Intel didn't
also have some availability problems, if you look back to 2019 and the pandemic years.
At one point, during 2019, Intel's supply woes got so bad they were actually referring customers to AMD! This was due to Intel having too many products on 14 nm and not enough fabs, because they expected 10 nm to have been in volume production, by that point. Doesn't really matter the reason, though. Having your own fabs is no panacea.
Regarding the Ryzen 7840, how do you know that was a supply problem, and not other problems with the platform?
Intel only designs and makes processors. Samsung designs and makes processors and phones, which makes them a competitor directly to Apple's iPhone.
Samsung killed off its core design group. These days, its SoCs are just using IP licenesed from ARM. I'm not saying there's no competitive intelligence that could leak from Samsung's fabs to their product division, but Apple is so far ahead that maybe they aren't terribly concerned about this?
But Intel only designs CPUs, not laptops or phones or servers.
Not sure what your point is, because they design chips that go into embedded, self-driving (via MobilEye), laptops, desktops,
and servers. The only market they don't compete in is phones, and Apple is pretty much the only competitor out there who both designs their own chips and sells end-user products containing them. Everyone else who's designing chips is in the chip game, therefore direct competitors.
It seems like you're stretching
really hard to make a point, here. Almost as if you need the idea of a fab spinoff to seem worse than it really is.
Processor designs are insanely complex. In my world, in software, ... companies routinely do business with places that will steal their IP.
So, then you have
absolutely no idea how hard it is for someone to reverse engineer IP from the masks that actually reach the fab? I'll give you a clue: it's
a lot harder than just disassembling some code you get in binary form.
The main thing people can glean by looking at the IP in the form that fabs see it is the typical sort of analysis you sometimes see from people merely looking at die shots. How many cores are there? How big are the register files, L2 and L3 caches, FPU? These are useful for competitive reasons, but
not because some competitor is going to lift
any part of it and use it in their
own chips!