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

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Fjodor2001

Diamond Member
Feb 6, 2010
3,926
404
126
Yes we do, on N5.
Zen5 is N4/3. Show us pricing per transistor vs N5 for Zen4.
Zen3/4/5/6 keep DT core count the same.
Give up and start saving money for threadripper.
Zen1/2 core count bump quickly from 4->8->16C. No core count bump from Zen2->Zen4. Core count bump long overdue. Will happen with Zen5/6. Otherwise at least with Intel Arrow Lake second batch.

TR good deal when initially introduced. Now with latest generations it's an overpriced platform & CPUs, with lots of unnecessary features for most users like insane amount of PCI lanes and RAM channels that are not needed for many MT workloads. Super corner case. What we need is 24/32C on AM5.
 
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Abwx

Lifer
Apr 2, 2011
11,167
3,862
136
I am not using the computer for Cinebench. The extra cores from 4 to 8 are really diminishing returns on most client applications.

Single core performance seemed (subjectively) like 2x.

Also, using another eyeball method of clocks being up ~40% with IPC increases accounting for another 60% for 2x. There are instances where 5800x offers a bit of a bonus over 2x, namely in some games.

PS: Thanks for pointing out it was i7-2600K not 2400K. It's been out of sight for a couple of years.

The figure is an average, not typically for Cinebench, FI in 7 Zip that s 3.8x better perfs, since that s an integer code based apps that s representative of client usage.

At this point a 4C/8T is somewhat limited even for such basic usages, moreover due to 7 Zip, and integer code generaly, not scaling as much as CB for SMT, so if there s only 6 -8 active threads the gap will be even bigger due to the 2600K relying on SMT for 2-4 threads while the 5800K will have a full core for each thread up to 8 threads.
 

adroc_thurston

Diamond Member
Jul 2, 2023
3,322
4,790
96
Show us pricing per transistor vs N5 for Zen4.
You can google the charts yourself, I think they're public.
Zen1/2 core count bump quickly from 4->8->16C.
Using the last two economical shrinks in history yeah.
Will happen with Zen5/6.
It's just not happening.
Zen6 doesn't even have a dedicated DT part.
with lots of unnecessary features for most users like insane amount of PCI lanes and RAM channels
this is literally what ws crowd wants, not cinememe points per dollar.
 

Fjodor2001

Diamond Member
Feb 6, 2010
3,926
404
126
Supply and demand, there is not enough demand for more cores in client, 6/8 cores (12/16 threads) is the overwhelming majority of the market.
TR prices are high because it is a niche market and there is not enough competition to lower prices.
This discussion needs to stop.
12/16C is already selling surprisingly well on AM5, and 20/24C on Intel 1700 socket.

TR was priced well at launch for first generation, but is now overpriced and should be killed off unless that changes. With current situation we should have 24/32C on AM5 with Zen5/5c or 6/6c, and anything above that on EPYC. That's all which is needed.

This discussion needs to stop.
 

Fjodor2001

Diamond Member
Feb 6, 2010
3,926
404
126
You can google the charts yourself, I think they're public.
Why don't you show it, since you made the claim.
Using the last two economical shrinks in history yeah.
So proven it happened twice, and long overdue to happen again. Since AMD is sandbagging core count currently, I would not be surprised if it'll be from Intel next time and then AMD will reluctantly follow.
It's just not happening.
Zen6 doesn't even have a dedicated DT part.
Wut. No Zen6 on DT?
this is literally what ws crowd wants, not cinememe points per dollar.
TR is a super corner case at current feature set and pricing. Should be killed off. 32C and below on AM5, above on EPYC.
 

Fjodor2001

Diamond Member
Feb 6, 2010
3,926
404
126
Why?? So, you know better than AMD. Apparently, it's worth their while to rake in some sales and profits from Threadripper.
You're complaining about the amount of 16C AM5 CPUs sold. How many TR CPUs do you think are sold? More or less than the amount of AM5 16C CPUs?
 

dr1337

Senior member
May 25, 2020
385
639
136
It slowly enters era of exponential growth of cost/Xtor.
And in 5 years advanced nodes will be so dense and also relatively cheap that this sounds like a joke

People have constantly said node prices are increasing yet compute-per-dollar has only gone up as time goes on. For most people in 2018, 7nm and 5nm sounded like myths, and here we are in 2024 with relevant foundries steaming ahead to angstrom scale.
 
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Ajay

Lifer
Jan 8, 2001
16,094
8,106
136
I didn't complain about anything. WTF??

It doesn't matter how many TR CPUs are sold compared to other AMD CPUs - so long as it makes financial sense for AMD to sell TR CPUs, they will do so. The companies buying TR CPUs are doing it for their professional engineers designing semiconductor chips or simulating stresses on mechanical designs, 3D design and rendering artists, etc... The cost of the machine pales in comparison to the cost of paying those people.

You're complaining about the amount of 16C AM5 CPUs sold. How many TR CPUs do you think are sold? More or less than the amount of AM5 16C CPUs?
 

dr1337

Senior member
May 25, 2020
385
639
136
Zen3/4/5/6 keep DT core count the same.
How do you not know what the word previous means?

You're just betting on zen 5 having the same core count as zen 4 (and it doesnt at all with strix) and you definitely have no idea about zen 6. No leaker has been that accurate so you'd have to be a hardcore AMD insider and I really doubt it.

Like at this point you sound like IgnoredTV when he 'predicted' zen 2 would have 5ghz and 16c for $499. Could you possibly reflect upon what others are writing instead of self inserting your own head cannon? You post so much and make so many predictions that really no matter what happens you're going to be able to spin yourself as some soothsayer. Thats fine I guess but could you at least spin it into some form of conversation that doesn't ignore what people are saying to you?
 

blackangus

Member
Aug 5, 2022
115
161
76


Is this the cost per wafer you are looking for?

Gate Cost:


This obviously does not tell the whole perf/dollar picture but production costs are certainly going up.
The elephant in the room is that more transistors allow for more complex performance schemes, and that doesn't tie tidily to the graphs above.
 
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adroc_thurston

Diamond Member
Jul 2, 2023
3,322
4,790
96
No Zen6 on DT?
It exists but not the way you envision it.
And in 5 years advanced nodes will be so dense and also relatively cheap that this sounds like a joke
Costs are going *up*.
Per xtor.
You're just betting on zen 5 having the same core count as zen 4 (and it doesnt at all with strix) and you definitely have no idea about zen 6
I'm not betting anything.
I'm saying it outright.
You post so much and make so many predictions that really no matter what happens you're going to be able to spin yourself as some soothsayer
I'm only saying you're not getting a single core more in DT lineups.
With better ST than ever! Which is the selling point.
and it doesnt at all with strix
Strix was 8+4 with LP island for the longest while, they just mirrored the cluster size to cut the cost down.
 

moinmoin

Diamond Member
Jun 1, 2017
4,994
7,765
136
Yes, correct. So $44 per core would mean 32C Zen5 at $1408, and 24C at $1056, at launch. If we toss in a mix of Zen5 + Zen5C cores (e.g. 8xZen5 + 16/24 Zen5C), it would be even lower. So much lower than $2K+ as previously suggested by some.
You might like that. But do you seriously think AMD looks at this, how 12c and 16c chips depreciate that quickly while 8c chips are much more stable in the price, and concludes that it should add 24c or even 32c chips?

Zen6 doesn't even have a dedicated DT part.
The previous Zen gens didn't have one either technically. Just a dedicated IOD. So exchanging one master with another.
 
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jpiniero

Lifer
Oct 1, 2010
14,835
5,452
136
The previous Zen gens didn't have one either technically. Just a dedicated IOD. So exchanging one master with another.

I think what she means is that they won't be sharing the same CPU tile. That begs the question as to what AMD will do with the leaky parts too leaky for server.
 

coercitiv

Diamond Member
Jan 24, 2014
6,393
12,826
136
Also, what's up with these slow ass forums? Anyone else having issues?
It's the same for everyone, as in really really bad.

More details here.
Hey all,

This is something we're working to address, but requires working with Xenforo to resolve some remaining questions. I'm afraid I don't have an ETA for a solution, but it's something being actively worked on, so please bear with us.
 
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