Well yeah. TBH I don't see anything wrong with them using N4 to bolster supply. And it gels with the idea of them using N3 later on for Arrow Lake. But it's funny how hush-hush Intel is about how and where they're using TSMC nodes in public presentations. They want to talk up their own manufacturing.
I am not 100% sure but based on context,
@Ajay is saying Intel 4 when he says "N4" and Intel 3 when he says "N3"?
Arrowlake has Intel 20A and N3-plus whatever the plus might end up being.
As far as I can recollect, Intel was in the lead for nearly a decade. Pretty much from the introduction of Intel 45nm in 2007 until TSMC and Samsung 10nm arrived in 2017.
What I meant was that past is often looked as more positive it really was, just like how 14nm was said to be awesome and same with Skylake, when some of us didn't think Skylake was super impressive on the day of launch nevermind 5 years after release date. For me Skylake was "meh" and 14nm overall was disappointing. I didn't think 22nm was impressive either - after all they used all the performance gains for Atom anyway.
Intel's process lead lasted two decades, not one. Their aluminum interconnect process at 0.18u had better performance characteristics than AMD's 0.18u copper. They had better performance characteristics than AMD using SOI, while being cheaper because it wasn't using one. When they caught up in theoretical metrics then they had even greater lead. But Intel was already fat and culture was degraded for quite some time now. All it needed was the last bastion of Intel's strength to reach the point of hubris where they had to fall.
@Exist50 By in itself it doesn't, but I believe it definitely does when you combine with more advanced power management like the dedicated Atom block. It's an enabler for sure. We know Atom didn't take advantage of the integrated memory controller until Silvermont, despite all blocks being on-die. But the potential was there.
Without this, they have no dream of catching up to ARM in battery life, not even AMD.