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

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Tuna-Fish

Golden Member
Mar 4, 2011
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A professor of Warren Buffet had said that (stock) markets are able to sustain a level of irrationality for unexpectedly long periods of time. Apparently the same is true CPU purchases.

It's not that simple. A lot of places don't buy machines, they buy supply contracts that last years, and the supplier doesn't just provide the cpus or even just the servers, but a whole package solution that might include all needed on-site support, allowing you to maintain machines at colo facilities where you have no personnel of your own. If the supplier doesn't sell AMD, then you don't get AMD, because switching suppliers is a very big change, especially given which places they service can vary.

This is part of why the server market is so sticky, it will take years to make headway.
 

jpiniero

Lifer
Oct 1, 2010
14,805
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It's not that simple. A lot of places don't buy machines, they buy supply contracts that last years, and the supplier doesn't just provide the cpus or even just the servers, but a whole package solution that might include all needed on-site support, allowing you to maintain machines at colo facilities where you have no personnel of your own. If the supplier doesn't sell AMD, then you don't get AMD, because switching suppliers is a very big change, especially given which places they service can vary.

This is part of why the server market is so sticky, it will take years to make headway.

That would be a very strange supplier. Even Dell has several rack options with Milan and Genoa.

(Now are corpos getting discounts that entice them to stick with Intel, well...)
 

FlameTail

Platinum Member
Dec 15, 2021
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So realistically, what is a good estimate of the CB2024 MT score of Strix Point?

From rumours, it will have 4 Zen5 cores and 8 Zen5C cores. 7940HS does like 900 in CB2024.

So I'm guess the score is somewhere from 1200-1500.
 

TESKATLIPOKA

Platinum Member
May 1, 2020
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So realistically, what is a good estimate of the CB2024 MT score of Strix Point?

From rumours, it will have 4 Zen5 cores and 8 Zen5C cores. 7940HS does like 900 in CB2024.

So I'm guess the score is somewhere from 1200-1500.
Ask an easier question. We don't know IPC gain and frequency at let's say 65W.
What we know:
Mobile 8*Zen4 R7 7840S (42W): 853 pts (4GHz?)
Desktop 12*Zen4 R9 7900 (65/88W): 1419 pts (4.5GHz?)

853*1.5=1280 pts at ~63W, then add some extra IPC: 10-30% -> 1408–1664 pts.
Keep in mind, I don't know how the different core and process will affect power draw.
If you don't limit TDP, then you could go even higher.
 
Last edited:
Jul 27, 2020
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An interesting thought has been bugging me. If Intel releases the i9-14900KS before the end of 2023, it means they got wind of how good Zen 5 is so they went into crazy bunny effin' mode to get as many units ready as possible, to be able to actually sell them off and make some tidy profit before Zen 5 lands and ruins their party.
 
Reactions: lightmanek

TESKATLIPOKA

Platinum Member
May 1, 2020
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Gigabyte being the helpful leaker that they are

This thread is about Zen5. What you posted is clearly Zen4 Phoenix, which should have been posted in Phoenix thread.
 

FlameTail

Platinum Member
Dec 15, 2021
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Will upcoming AMD SoCs support LPDDR5X/LPDDR5T - 9600 Mbps ?

Only 2 manufacturers (Micron and Hynix) make them at the moment.

LPDDR6 won't be out before 2026 I guess, so till then this is the best we got.
 

biostud

Lifer
Feb 27, 2003
18,363
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"Basic Samsung 4nm Zen 5c" powered laptops to be possible competitors of "cheap" Gracemont based laptops?
If true, it makes sense for AMD to diversify its business if possible, and if efficiency is somewhat similar to TSMC then there's less risk making zen5c CCDs than switching the performance CCDs.
 
Jul 27, 2020
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If true, it makes sense for AMD to diversify its business if possible, and if efficiency is somewhat similar to TSMC then there's less risk making zen5c CCDs than switching the performance CCDs.
It could also serve as a testbed for their rumored future ARM cores since Zen 5c is more power optimized silicon similar to ARM cores.
 

itsmydamnation

Platinum Member
Feb 6, 2011
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It could also serve as a testbed for their rumored future ARM cores since Zen 5c is more power optimized silicon similar to ARM cores.
Why would amd produce an ARM core like everyone else's , sounds like a race to crushed margins.
Don't overthink, can be as simple as something like: AMD expects TSMC yields will be good to the point that there aren't enough lower bin parts. So cheaper lower performance silicon gives better margin. Mi300 demand is higher then projected, move other chips to less performant process to free capacity etc.
 

adroc_thurston

Diamond Member
Jul 2, 2023
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"Basic Samsung 4nm Zen 5c" powered laptops to be possible competitors of "cheap" Gracemont based laptops?
it's called Sonoma Valley and has been leaked over 2 years ago.
You're welcome.
It could also serve as a testbed for their rumored future ARM cores since Zen 5c is more power optimized silicon similar to ARM cores.
AMD isn't making any ARM IP whatsoever.
 

Joe NYC

Platinum Member
Jun 26, 2021
2,282
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If true, it makes sense for AMD to diversify its business if possible, and if efficiency is somewhat similar to TSMC then there's less risk making zen5c CCDs than switching the performance CCDs.

Zen5c CCDs are going to be on TSMC N3
Zen5 standard CCDs are going to be on TSMC N4P and they have to be able to accept V-Cache.

So Samsung is out of the CCD business, but can fab monolithic mobile parts.
 
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