Exactly my concern as well. If there are updates to this chip’s GPU cache, bus or RAM I’m wondering if a 64GB config could be worth it? Thoughts?
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Expected GPU performance of M1X/M2
- Thread starter joelypolly
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Yes I am running FCPX on my M1 Mac Mini. And I am more than happy with it. Editing multiple tracks of 4k h265 with grading, noise removal, etc in high quality mode and without proxies. It plays fluid and is a pleasure to work with.Have you used Final Cut on an M1? As a video editor myself, It’s extremely capable and holds it’s own against some very decent desktop rigs I’ve used. That being said, I’m eagerly waiting for the M1X announcement on Monday. We are all aware the M1 is Apples low-end consumer chip and though it is very impressive for what it is, does have some limits. Let’s see what they can do with a bit more power at hand
And as soon as it is possible I will order a M1X macbook pro as M1 has shown me that it is has a great future. Especially since all my essential software as well as the FCPX plugins I use are all available as M1 native apps.
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Apple is in my view is unlikely to have a 64GB model at launch if they are using LPDDR4X just due to there being no 16GB LPDDR4X chips being manufactured. The max is 12GB chips and if they do 4 of them you'd get 48GB. Bandwidth wise you are looking at ~136gb/s which is about on par with the 2019 Mac Pro with 6 memory channels which is a lot of performance.
If Apple pulls a fast one and launches with LPDDR5 at 6400MT (highly unlikely) you are looking about 205gb/s which puts it against 8 channel memory systems in todays fastest server systems. Given the GPU and CPU can perform operations on the same data as they have unified memory they will take the performance crown.
Heh heh ... Apple could surround the SoC with memory modules ... two on each sides would bring the max to 64GB for LPDDR4X modules. The traces would be a nightmare tho.
They have patents for that. If I remember correctly one patent shows over 24 RAM modules
Patent should be on how they stack up the RAM modules then I presume. 24 RAM modules on the same plane as the SoC ... I cannot imaging how those will be placed ...
Patent should be on how they stack up the RAM modules then I presume. 24 RAM modules on the same plane as the SoC ... I cannot imaging how those will be placed ...
No, it wasn't stacking. The patent directly depicted a large PCB littered with RAM modules. Of course, it has to be just a schematic depiction, I cannot imagine this being even remotely practical.
But mounting RAM chips on both sides of a package is a thing, and I am sure we will see it in some way.
Would it be possible to 3D stack RAM chips, around and above/below the SOC, and thus obtain more space that way?
that will make the device thicker..for now, along side the package is the right way
Surface latpop studio could do that with that design, but they didnt
Apple could order custom RAM modules with the RAM dies stacked ... Oct 18 couldn't come fast enough.
Ofc, Apple could do anything they want...they control everything now on their products
But i still think the Ram dies stacked on top of each other can be an desktop thing like mac mini, mac pro
Apple wants every mm if they can, to be erased and the laptop to be as thin as it can be...maybe im wrong nowadays since little Jony Ive is gone
Lets keep our hands together the time will pass quicker till Oct 18
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, the top of the line mobile Gpu is not the 5600M HBM2 at about 11.6 TFLOPs?
What are you talking about? Maybe i understood wrong
The top of the line mobile GPU that Apple has, is in the 27" iMac and its called 5700 XT and it has 19.51 TFLOPs
So i hope this M1x 32 gpu core it will be the standard for the bigger imac with an additional gpu cores as option to beat or at least be on par with that 20 TFLOP
the 5700 XT could top the 32 gpu cores ..so yes, Apple needs to step up the gpu power for the next imac even further than the upcoming m1x with 32 gpu cores
In fact, JEDEC has already (July 28th) updated the standard to include LPDDR5x (up to 8533Mt/s) with manufacturers and IP-suppliers on board.
LPDDR5 is only new for Apple products.
I think the most interesting thing is how they step all this up, from iMac to Mac Pro.
I am 100% confident however, that they know how to do it all, as they would have been crazy to shift architectures without knowing how they would do it.
I think you are confusing half precision (FP16) vs single precision (FP32). The 5700 XT is actually a desktop class GPU and is only ~9.75 TFLOPs at single precision which would put a 32 GPU M1X/M2 mobile above AMD's desktop performance. If the rumors about a 128 GPU Mac Pro are true, well the numbers are going to be incredible.
I'd it is possible but its highly unlikely just because of the global shortage of chips, most manufactures have just started production (Micron looks to be the furthest along). But I'd happily accept it if they do!
The Radeon Pro 5700 XT used in the 2020 iMac is effectively a downclocked Radeon RX 5700 XT with twice as much memory. It's single-precision performance is ~7.7 TFLOPS, which is roughly equivalent to 24 M1 GPU cores. The consumer version has a TDP of 225 W, which is way too much for the iMac case, while the "pro" version uses 130 W.