Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000)

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adroc_thurston

Diamond Member
Jul 2, 2023
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Won't server SKUs like these soak up much if not all rejects of the kind which would, until now, still suffice as functioning Client bins?
Yeah it's not hard.
So, for Zen6 there will still be DIY motherboards (socketed) for enthusiasts, but the best we'll get is a high freq 8P+8C cores?
No, you still get a big and mean CCD, just luggables-first.
No V-Cache w/16MB L3$ will be a bit of a step back for gamers.
That's mobile, not luggables.
Its toy market for EVERYBODY now.
You're as dumb as usual.
Intel still has gigantic OEM DT presence.
Just that the market has obscene inertia and AMD is unlikely to break thru it just yet.
DIY will die
Ugh. no.
 

H433x0n

Golden Member
Mar 15, 2023
1,071
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DIY will die

DIY is bigger than just Intel & AMD. There is an entire multi billion dollar ecosystem ranging from memory, storage, cases, power supplies, etc.

Even the major players (Intel, Nvidia & AMD) are merely selling the same silicon with different packaging repurposed for desktop so it’s not a huge drain on resources.

There are companies like Holley that have sales of $100M+ in just carburetors in 2023. I don’t see desktop DIY dying off within our lifetimes.
 
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DrMrLordX

Lifer
Apr 27, 2000
21,806
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Benefit how? Desktop will get gimped if it's based on mobile silicon. It would become the same thing as an HX series gamer/workstation CPU.
You get less memory latency/IO overhead using a monolithic design. There are distinct performance-related advantages to AMD's mobile SoCs versus their desktop counterparts. But, those mobile parts are not designed for the same clock targets as are expected on desktop, so in the end the mobile parts lag behind.

And yes I too am not thrilled by the idea of desktop being just more mobile parts, if the designs are essentially "mobile first".
 

adroc_thurston

Diamond Member
Jul 2, 2023
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FlameTail

Diamond Member
Dec 15, 2021
3,180
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All this makes me think it's most likely to land on the same process as Granite RIdge CCD's.

IMHO we are likely to see a 2025 Zen5 / RDNA4 APU which probably will be fabbed on an N3 variant node.
IIRC That's what MLID pretty much said.

Also he said there was a possibility of a 24-core Zen5 AM5 product with 8 Zen5 + 16 Zen5C. No mention of 32-core parts.
 

Joe NYC

Platinum Member
Jun 26, 2021
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Yea it is.
TSV macro on a 16MB LLC part is no bueno.

DT isn't anywhere relevant enough for that garbage to exist.

If they move to 16 core chiplet, then it could have more L3 and bigger V-Cache over it.

Or, figure out a different placement of TSVs (in L2?), ditch L3 from main die and only have V-Cache.
 

DrMrLordX

Lifer
Apr 27, 2000
21,806
11,161
136
Negligeble differences.

I'll take 1-3%, especially if it can be separated from background noise. Pretty sure Rembrandt offered more than that over bog-standard Zen3 at a fixed clock.

No, it's all about power.

Yes, the power benefits are nice as well, though that becomes less relevant in DiY desktop where cooling is plentiful up until the 120-180W range.

Yes they are, they use the exact same cores.

Yet the mobile parts don't have the same power draw or sustain the same clocks as the dissimilar desktop parts that currently rely on an IOD.
 

adroc_thurston

Diamond Member
Jul 2, 2023
3,322
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If they move to 16 core chiplet, then it could have more L3 and bigger V-Cache over it.
Client isn't getting higher core count CCDs.
You don't need more cores.
You're not getting more of anything since none of you have the money to pay for it.
Or, figure out a different placement of TSVs (in L2?), ditch L3 from main die and only have V-Cache.
That's wayyy too expensive.
Pretty sure Rembrandt offered more than that over bog-standard Zen3 at a fixed clock.
It didn't.
Yes, the power benefits are nice as well, though that becomes less relevant in DiY desktop where cooling is plentiful up until the 120-180W range.
Who cares, luggables and mobile workstations are more relevant.
Yet the mobile parts don't have the same power draw or sustain the same clocks as the dissimilar desktop parts that currently rely on an IOD.
Yea they do, 8c Phoenix doesn't clock any less or any more than the 8c Raphael.
 
Jul 27, 2020
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You're not getting more of anything since none of you have the money to pay for it.
How subtle of you.

ARE YOU IMPLYING THAT WE LOT HERE ARE A BUNCH OF WISHFUL BEGGARS???

(I know you want to say it like that. Just say it )

AMD was the first to break the mainstream core count barrier. They don't feel inclined to do that again unless things get really bad for them. So yeah, we gonna be stuck at 16C/32T for a while. Make that years.
 

yuri69

Senior member
Jul 16, 2013
438
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136
Intel still has gigantic OEM DT presence.
Just that the market has obscene inertia and AMD is unlikely to break thru it just yet.
What is the segment breakdown of that OEM DT? It seems like 80% are just dirt cheap 4-6c socketed mobile chips. The rest might be interesting but not really.
 

Timmah!

Golden Member
Jul 24, 2010
1,463
729
136
How subtle of you.

ARE YOU IMPLYING THAT WE LOT HERE ARE A BUNCH OF WISHFUL BEGGARS???

(I know you want to say it like that. Just say it )

AMD was the first to break the mainstream core count barrier. They don't feel inclined to do that again unless things get really bad for them. So yeah, we gonna be stuck at 16C/32T for a while. Make that years.
Well, if AMD is taking Intel´s route now, no reason to buy them then. Might as well default back to Intel with the next rig in couple of years. Maybe they will put their stuff together in the meantime.
 
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eek2121

Diamond Member
Aug 2, 2005
3,051
4,276
136
Were the issues you mentioned only at CPU launch and close in time after that so they have been fixed in later BIOS updates and all the systems are now problem free, or are you still having issues with the problematic systems?
I replaced the boards since BIOS updates didn’t help much. I forgot to mention that my 1950X eventually became problem free when I replaced the MSI board with an ASUS.
 

Timorous

Golden Member
Oct 27, 2008
1,727
3,152
136
IIRC That's what MLID pretty much said.

Also he said there was a possibility of a 24-core Zen5 AM5 product with 8 Zen5 + 16 Zen5C. No mention of 32-core parts.


Technically doable vs something AMD manufacture and release to market are not the same thing.

I have no doubt a 24c Zen 5 part would be doable using a Zen 5 CCD and Zen 5c CCD, In fact it is probably doable with Zen 4. Just not something AMD will actually sell because what is the purpose. If you need more than 16c on desktop then go HEDT because at that point you probably need more PCIe as well anyway. It would be a super slender niche part that makes TR volume look good.
 

Glo.

Diamond Member
Apr 25, 2015
5,762
4,667
136
DIY is bigger than just Intel & AMD. There is an entire multi billion dollar ecosystem ranging from memory, storage, cases, power supplies, etc.

Even the major players (Intel, Nvidia & AMD) are merely selling the same silicon with different packaging repurposed for desktop so it’s not a huge drain on resources.

There are companies like Holley that have sales of $100M+ in just carburetors in 2023. I don’t see desktop DIY dying off within our lifetimes.
And it will still exist.

Just the bottom of the barrel up to Ryzen 5, Core i5 products will become soldered. Everything above will remain DIY.
 

Glo.

Diamond Member
Apr 25, 2015
5,762
4,667
136
You're as dumb as usual.
Intel still has gigantic OEM DT presence.
Just that the market has obscene inertia and AMD is unlikely to break thru it just yet.
Intel is actually the ones who are pushing for moving the form factor of DT .

And just because it hasn't materialized yet, does not mean they are not readying products for it .
 

adroc_thurston

Diamond Member
Jul 2, 2023
3,322
4,790
96
Yes. Possibility != plan.
Not even a possibility unless you forgot how cache coherency works on AMD CPUs.
Hey, I have the money. I am just not willing to pay that much for something I don't really need
Ergo, no money, since your definition of value is different to that of any DC guy.
ARE YOU IMPLYING THAT WE LOT HERE ARE A BUNCH OF WISHFUL BEGGARS???
No, just that xtors aren't really getting measurably cheaper anymore.
So unless you really need more cores in a socket, no freebies for you.
What is the segment breakdown of that OEM DT? It seems like 80% are just dirt cheap 4-6c socketed mobile chips.
No, it's all dedicated -S dies.
Right now it's a mix of ADL-S 601, ADL-S 881 and RPL-S 8161 with some ADL-N as the lowest possible option iirc.
So what will be the benefit for me in there as a "desktop" customer?
You get a more efficient (particularly at idle) platform with all the uncore bits being updated in lockstep with mobile.
Technically doable vs something AMD manufacture and release to market are not the same thing.
No I don't think cIOD has enough directory bits to support 24/32c parts.
Intel is actually the ones who are pushing for moving the form factor of DT
That's just wrong on so many levels.
They're literally the only vendor in the entire industry still making dedicated -S chips, and will remain so for many-many years to come.
 
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Timmah!

Golden Member
Jul 24, 2010
1,463
729
136
You get a more efficient (particularly at idle) platform with all the uncore bits being updated in lockstep with mobile.
More efficient platform is always nice, but if that higher efficiency does not translate into higher performance, it does nothing for me. On desktop, unlike mobile, i am not power constrained.
The lockstep thing with mobile does nothing for me either. That benefits AMD, not me, i dont need them to be the same.
 
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