And by the way, for the repairability folks: replaceable RAM on mobile devices is going away for good reason. Two SODIMMs is 128 bits of multi-GHz bus across multiple cm of board and a connector. That *eats* power. This isn't manufacturers being out to screw us, it's physics.
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People aren't doing these MCMs just for space; you get better electrical performance out of these high spec carriers than a plain old PCB.
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Sure, but the want for this ultimately boils down to money. People don't want to be taken advantage of by RAM markups and want the benefits of not needing more RAM until later in the computer's life
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Makes sense, but how bad will 32GB RAM or more be? That must increase distance from the CPU, so how bad does performance per watt degrade?
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We can stack lots of memory dies together these days. We'll see what Apple does there.
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Yes, it gets them about 2% extra memory bandwidth by running the DDR at a slightly higher clock. AFAICT it saves very little on power compared to a single SODIMM.
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