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

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Jul 27, 2020
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I also believe there was an interview/tour of one of the AMD labs where prototype X3D chips with double X3D dies were mentioned, so they've thought about it before.

Apparently AMD decided to stick with the latter setup due to it offering the best balance of performance and efficiency, plus gaming benchmarks demonstrated that there was not much of a difference between the configurations.

So there's no real use case for these dual V-cache CCDs for gaming and these would help mostly in professional workloads. AMD would be foolish to let such CPUs cannibalize their TR and Epyc sales. I mean, if they want to, sure their foolishness is our gain but that's not how they operate.
 

eek2121

Diamond Member
Aug 2, 2005
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I know some think the Win12 AI PC 40 TOPS requirement is BS on DT.

But just out of curiosity, do you think Zen5 will be able to brute force that requirement using AVX512, or some other generic instruction set? On top-end 9950X only, or even on low-end 9600X?

If not, do you think there'll be some 40+ TOPS NPU that can be added via PCIe extension card to fulfill the requirement (i.e. not using generic discrete GPU)?

Or will AMD give up Win12 AI PC on DT using CPU alone, and hand over that market segment to Intel which is known to fulfill it on Arrow Lake Desktop CPUs?
There was a company that claimed to be working on a PCIE based NPU, but I have seen no updates for some time.
 

DisEnchantment

Golden Member
Mar 3, 2017
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That would be called a dGPU - the most modern ones are able to be used for this purpose, and they can be used for gaming, too!

For AMD, XDNA2 NPU equivalent on PCIe would be Alveo V70. It is on the market. It uses the 2nd gen AIE-ML to be found on Strix
It uses the same Unified Inference Framework (via Vitis AI EP) similar to the Ryzen AI stack (also via Vitis AI EP)


 

Gideon

Golden Member
Nov 27, 2007
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Reactions: lightmanek

DisEnchantment

Golden Member
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I was about to make a really dissapointed comment, but this is Geekbench 6.2.2 not 6.3.0. There a 7840U struggles to score over 2500 points:


Still only about ~10% ST uplift. Hopefully this sample isn't representative of all.
What is funny is that most of the public Strix GB6 scores (that I could discover online) land around that range irrespective of frequency

 

CouncilorIrissa

Senior member
Jul 28, 2023
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I was about to make a really dissapointed comment, but this is Geekbench 6.2.2 not 6.3.0. There a 7840U struggles to score over 2500 points:


Still only about ~10% ST uplift. Hopefully this sample isn't representative of all.
Here's HWK doing 2660 @ 6.2.2

What is funny is that most of the public GB6 scores (that I could discover online) land around that range irrespective of frequency

View attachment 102246
Which leads me to think that they are actually running at 5.0, just reported incorrectly. There isn't a single run doing anything higher than 2850.
 

DisEnchantment

Golden Member
Mar 3, 2017
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Which leads me to think that they are actually running at 5.0, just reported incorrectly. There isn't a single run doing anything higher than 2850.
One funny thing, Zen 5 new changes actually includes major updates in the PMC, CPPC registers
It would be funny if the ST load is running on the wrong cores or PMC values read out being wrong.
 

techjunkie123

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May 1, 2024
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StefanR5R

Elite Member
Dec 10, 2016
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curious that MS defines requirements in terms of TOPS and of presence of the Copilot key on the keyboard, but not in terms of RAM size which is not entirely unimportant for local inferencing. (Also, RAM bandwidth?)
Actually, an end-user targeted support page at microsoft.com lists 16 gigabytes DDR5/LPDDR5 as a requirement for Copilot+. I don't know though what the actual requirements in MS's OEM program are. Anyway; it's a moot point to discuss hardware compatibility and capability; in the end it's MS's say whether or not a given PC may carry the Copilot+ PC badge. Cf. the temporary Qualcomm exclusivity.
 
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