this post was submitted on 03 Nov 2024
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272
Intel says integrating RAM into Lunar Lake SoC was a mistake, might abandon desktop GPUs again (www.techspot.com)
submitted 3 weeks ago by [email protected] to c/[email protected]
78 comments fedilink hide all child comments
 

Panther Lake and Nova Lake laptops will return to traditional RAM sticks

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[–] [email protected] 10 points 3 weeks ago* (last edited 3 weeks ago) (3 children)

I'm wondering, the integrated RAM like Intel did for Lunar Lake, could the same performance be achieved with the latest CAMM modules? The only real way to go integrated to get the most out of it is doing it with HBM, anything else seems like a bad trade-off.

So either you go HBM with real bandwidth and latency gains or CAMM with decent performance and upgradeable RAM sticks. But the on-chip ram like Intel did is neither providing the HBM performance nor the CAMM modularity.

[–] [email protected] 14 points 3 weeks ago (1 children)

I wonder why both isn't possible, build some into the chip but leave some DIMMs for upgradeability too at bit lower speed.

[–] [email protected] 5 points 3 weeks ago* (last edited 3 weeks ago)

Especially with how normal memory tiering is nowadays, especially in the datacenter (Intel's bread and butter) now that you can stick a box of memory on a CXL network and put the memory from your last gen servers you just retired into said box for a third or fourth tier of memory before swapping. And the fun not tiered memory stuff the CXL enables. Really CXL just enables so much cool stuff that it's going to be incredible once that starts hitting small single row datacenters

[–] [email protected] 6 points 3 weeks ago* (last edited 3 weeks ago)

The transfer speed isn't the big issue, it's the density and reliability. Packing more heat generating stuff onto the SoC package just makes it more difficult to dissipate. The transfer of data to where it needs to be is still the same, so the trade-off is pretty null in that sense except reduction of overall power consumption.

[–] [email protected] 3 points 3 weeks ago

Look up intel i7 8709g