I'm skeptical of this post's appropriateness for HN. It's a canned press release, has 17 points and only 1 comment.
Can someone explain the significance (if any)?
Can someone explain the significance (if any)?
The reason you're asking the same questions has less to do with lack of domain expertise and more to do with the (lack of) quality info in the press release.
They're achieving this using Intel's EMIB silicon bridge technology, but that was apparently already available to them as a fab customer.
That said, the PR contains nothing about capacity, latency, nor price, so it's near-pointless.