this post was submitted on 04 Jun 2024
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Arm Holdings CEO expects Arm chips to capture 50% or more of PC market space by 2029 (www.tomshardware.com)
submitted 5 months ago by alessandro@lemmy.ca to c/pcgaming@lemmy.ca
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[โ€“] Buddahriffic@lemmy.world 1 points 5 months ago (1 children)

There will be a point where APUs will make dGPUs obsolete. Their advantages are huge and it's just the raw power and bandwidth that needs to catch up. Things like lower latency between CPU and GPU, and the big one: being able to use a shared address space. I don't think even today's APUs generally do that and instead set aside some system RAM to act as video RAM, but that setup involves a lot of copying data back and forth between video memory and system memory. If they both can just access the same memory space, that no longer needs to happen at all.

So it's just a matter of fitting more compute cores on that package (which isn't limited by chip size with chiplets) and scaling up the memory bandwidth until those advantages above reach parity with a dGPU.

[โ€“] boonhet@lemm.ee 2 points 5 months ago

Apple does share address space I believe.

Chiplets are still fairly close to each other, they need to be cooled. We're going to need some massive cooling solutions here. Fortunately ARM has great power efficiency at least compared to x86.

Of course SoCs are also the death of upgradablity. You upgrade everything at once or nothing at all, since CPU, GPU and RAM are all part of the same package.