this post was submitted on 25 Feb 2025
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[–] [email protected] 1 points 1 hour ago

To anyone complaining about non-replaceable RAM: This machine is for AI, that is why.

Think of it like a GPU wirh a CPU on the side, vs the other way around.

Inference requires very fast ram transfer speed, and that is only possible (currently) on soldered buses. Even this is pretty slow at 256Gb/s, but it's RAM size of 96GB to GPU makes it interesting for larger models.

[–] [email protected] 18 points 1 day ago (1 children)

I don't get the point. Framework laptops are interesting because they are modular but for desktop PCs that's the default. And Framework's PCs are less modular than a standard PC because the RAM is soldered

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[–] [email protected] 48 points 2 days ago (4 children)

Soldered on ram and GPU. Strange for Framework.

[–] enumerator4829 48 points 1 day ago (9 children)

Apparently AMD couldn’t make the signal integrity work out with socketed RAM. (source: LTT video with Framework CEO)

IMHO: Up until now, using soldered RAM was lazy and cheap bullshit. But I do think we are at the limit of what’s reasonable to do over socketed RAM. In high performance datacenter applications, socketed RAM is on it’s way out (see: MI300A, Grace-{Hopper,Blackwell},Xeon Max), with onboard memory gaining ground. I think we’ll see the same trend on consumer stuff as well. Requirements on memory bandwidth and latency are going up with recent trends like powerful integrated graphics and AI-slop, and socketed RAM simply won’t work.

It’s sad, but in a few generations I think only the lower end consumer CPUs will be possible to use with socketed RAM. I’m betting the high performance consumer CPUs will require not only soldered, but on-board RAM.

Finally, some Grace Hopper to make everyone happy: https://youtube.com/watch?v=gYqF6-h9Cvg

[–] [email protected] 3 points 1 day ago

There's even the next iteration already happening: Cerebras is maling wafer-scale chipa with integrated SRAM. If you want to have the highest memory-bandwith to your cpu core it has to lay exactly next to it ON the chip.

Ultimately RAM and processor will probably be indistinguishable with the human eye.

[–] [email protected] 7 points 1 day ago* (last edited 1 day ago) (2 children)

Sound like a downgrade to me I rather have capability of adding more ram than having a soldered limited one doesn't matter if it's high performance. Especially for consumer stuff.

[–] [email protected] 3 points 1 day ago

Looking at my actual PCs built in the last 25 years or so, I tend to buy a lot of good spec ram up front and never touch it again. My desktop from 2011 has 16GB and the one from 2018 has 32GB. With both now running Linux, it still feels like plenty.

When I go to build my next system, if I could get a motherboard with 64 or 128GB soldered to it, AND it was like double the speed, I might go for that choice.

We just need to keep competition alive in that space to avoid the dumb price gouging you get with phones and Macs and stuff.

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[–] [email protected] 13 points 1 day ago (1 children)

I definitely wouldn't mind soldered RAM if there's still an expansion socket. Solder in at least a reasonable minimum (16G?) and not the cheap stuff but memory that can actually use the signal integrity advantage, I may want more RAM but it's fine if it's a bit slower. You can leave out the DIMM slot but then have at least one PCIe x16 expansion slot. A free one, one in addition to the GPU slot. PCIe latency isn't stellar but on the upside, expansion boards would come with their own memory controllers, and push come to shove you can configure the faster RAM as cache / the expansion RAM as swap.

Heck, throw the memory into the CPU package. It's not like there's ever a situation where you don't need RAM.

[–] enumerator4829 10 points 1 day ago (7 children)

All your RAM needs to be the same speed unless you want to open up a rabbit hole. All attempts at that thus far have kinda flopped. You can make very good use of such systems, but I’ve only seen it succeed with software specifically tailored for that use case (say databases or simulations).

The way I see it, RAM in the future will be on package and non-expandable. CXL might get some traction, but naah.

[–] [email protected] 8 points 1 day ago (3 children)

Couldn't you just treat the socketed ram like another layer of memory effectively meaning that L1-3 are on the CPU "L4" would be soldered RAM and then L5 would be extra socketed RAM? Alternatively couldn't you just treat it like really fast swap?

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[–] [email protected] 10 points 1 day ago (2 children)

Ye the soldered ram is for sure making me doubt framework now.

[–] Jyek 19 points 1 day ago (3 children)

Signal integrity is a real issue with dimm modules. It's the same reason you don't see modular VRAM on GPUs. If the ram needs to behave like VRAM, it needs to run at VRAM speeds.

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[–] [email protected] 9 points 1 day ago (5 children)

Apparently AMD wasn't able to make socketed RAM work, timings aren't viable. So Framework has the choice of doing it this way or not doing it at all.

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[–] [email protected] 26 points 1 day ago (1 children)

Calling it a gaming PC feels misleading. It's definitely geared more towards enterprise/AI workloads. If you want upgradeable just buy a regular framework. This desktop is interesting but niche and doesn't seem like it's for gamers.

[–] [email protected] 3 points 1 day ago

I think it’s like Apple-Niche

[–] [email protected] 19 points 1 day ago* (last edited 1 day ago) (3 children)

Question about how shared VRAM works

So I need to specify in the BIOS the split, and then it's dedicated at runtime, or can I allocate VRAM dynamically as needed by workload?

On macos you don't really have to think about this, so wondering how this compares.

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[–] [email protected] 5 points 1 day ago (2 children)

These little buggers are loud, right?

[–] [email protected] 6 points 22 hours ago (1 children)

The Noctua fan option should be pretty quiet.

[–] [email protected] 2 points 20 hours ago

I have a Noctua fan in my PC. Quiet AF. I don't hear it and it sites beside me.

[–] [email protected] 10 points 1 day ago (1 children)

Hmm, probably not. I think it just has the single 120mm fan that probably doesn't need to spin up that fast under normal load. We'll have to wait for reviews.

[–] [email protected] 1 points 21 hours ago

I also just meant given the size constraints in tiny performance PCs. More friction in tighter spaces means the fans work harder to push air. CPU/GPU fans are positioned closer to the fan grid than on larger cases. And larger cases can even have a bit of insulation to absorb sound better. So, without having experimented with this myself, I would expect a particularly small and particularly powerful (as opposed to efficient) machine to be particularly loud under load. But yes, we'll have to see.

[–] [email protected] 150 points 2 days ago* (last edited 2 days ago) (22 children)

"To enable the massive 256GB/s memory bandwidth that Ryzen AI Max delivers, the LPDDR5x is soldered," writes Framework CEO Nirav Patel in a post about today's announcements. "We spent months working with AMD to explore ways around this but ultimately determined that it wasn’t technically feasible to land modular memory at high throughput with the 256-bit memory bus. Because the memory is non-upgradeable, we’re being deliberate in making memory pricing more reasonable than you might find with other brands."

😒🍎

Edit: to be clear, I was only trying to point out that "we’re being deliberate in making memory pricing more reasonable than you might find with other brands" is clearly targeting the Mac Mini, because Apple likes to price-gouge on RAM upgrades. ("Unamused face looking at Apple," get it? Maybe I emoji'd wrong.) My comment is not meant to be an opinion about the soldered RAM.

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[–] [email protected] 135 points 2 days ago* (last edited 2 days ago) (7 children)

Framework releasing a Mac Mini was certainly not on my bingo card for this year.

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