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

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A///

Diamond Member
Feb 24, 2017
4,352
3,154
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Well, someone leaked to them (especially MLID) a lot of correct info on Mi300 some 15 months ago. That should count for something.
even a moron like him with his head so far up his keester with only his ginormous chin helping him from eating himself bum first like some kind of insect can guess a few things right from time to time.
 

inf64

Diamond Member
Mar 11, 2011
3,706
4,050
136
So basically Zen 5 will have double L/S capability of Zen 4, makes sense. The average IPC increase should be well above what Zen 3 brought, so my guess this time is between 20 and 25%. ST clocks maybe up to touch 6Ghz, MT boost probably the same or +100Mhz vs Zen 4.

All things considered, my speculation is that it should be on par performance jump with what Zen 4 brought over Zen 3 ( clocks and IPC combined netted impressive increases for Zen 4).
8950X (32T, up to 6Ghz) vs 7950X(32T, up to 5.7Ghz):
ST: ~30-33% higher performance
MT: ~30% higher performance
X3D version ~20% higher gaming performance vs vanilla, same cache setup as Ryzen 7000
 

Tarkin77

Member
Mar 10, 2018
75
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Zen3 was 19% so that's not well above.

They're not going up at all.
if thats really the chase and this "high 2k" 1T CB R23 leak is correct (as well as Keplers +30% ST lead over Raptor Refresh), than the IPC has to increase in the range of 35-40% - this would be a monumental achievement considering it's basically the same manufacturing node as Zen 4. AMD never had this kind of lead over intel befor...
 

Anhiel

Member
May 12, 2022
64
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if thats really the chase and this "high 2k" 1T CB R23 leak is correct (as well as Keplers +30% ST lead over Raptor Refresh), than the IPC has to increase in the range of 35-40% - this would be a monumental achievement considering it's basically the same manufacturing node as Zen 4. AMD never had this kind of lead over intel befor...

Good ole Paul dishing out facts. What was it the last time? >30% IPC?

That's doubtful.
If you look back at my projections from months ago that happens to be in the same ballbark as leaked now, the difference is minuscule percentages (1.3%):

The difference can only be between clockspeed and IPC and the resulting multiplication of both should remain the same. This is simplified rule of thumb, actual calculation probably only off by a little anyway.
Since my setting was 8% clock at best and 15% IPC : 1.08x1.15=1.242 you can play around within this range.
For example if IPC were to be 25% then clock will have to be 1.242/1.25=0.9936 so that's obviously very unlikely to happen with marketing in mind.
If clockspeed is only raised by 0.1 GHz (from Ryzen 9 7950X 4.5/5.7 GHz) or a change of 1.7% then IPC would 22.1% at best.
It seems to me 15-20% is likely what's going to be marketed.

Btw. I didn't post it before but for 8c I had 8c 24185 quite a difference from the leaked 23k so clockspeed must be lower for the lower level offerings.
 
Reactions: Joe NYC

Abwx

Lifer
Apr 2, 2011
11,056
3,712
136
That's doubtful.
If you look back at my projections from months ago that happens to be in the same ballbark as leaked now, the difference is minuscule percentages (1.3%):

The difference can only be between clockspeed and IPC and the resulting multiplication of both should remain the same. This is simplified rule of thumb, actual calculation probably only off by a little anyway.
Since my setting was 8% clock at best and 15% IPC : 1.08x1.15=1.242 you can play around within this range.
For example if IPC were to be 25% then clock will have to be 1.242/1.25=0.9936 so that's obviously very unlikely to happen with marketing in mind.
If clockspeed is only raised by 0.1 GHz (from Ryzen 9 7950X 4.5/5.7 GHz) or a change of 1.7% then IPC would 22.1% at best.
It seems to me 15-20% is likely what's going to be marketed.

Btw. I didn't post it before but for 8c I had 8c 24185 quite a difference from the leaked 23k so clockspeed must be lower for the lower level offerings.

Should we take your previsions for ARL 8 + 16 in the post you linked as an exemple of your accuracy for Zen 5 as well.?.

Because ARL numbers recently leaked say that you are off by 2.4X for TDP and "only" by a 200% factor for perfs improvements.
 
Reactions: Tlh97

adroc_thurston

Platinum Member
Jul 2, 2023
2,501
3,650
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There’s a super secret handshake club to enter the AMD fraternity where you are then allowed to view this benchmark data showing a >=30% IPC gain.
Not quite.
Everybody has seen it and talks about it but nobody will tell you where to find it.
Yea.
I mean nothing is free, networking is a useful skill those days.
does anything stop you from revealing the source?
I mean, yea.
One never rats people out just because.
 

Abwx

Lifer
Apr 2, 2011
11,056
3,712
136
Those numbers from RTG if right are quite high for the 16C part but 12C/8C/6C numbers are well below, the less the cores the less the score/core.

Compared to existing products the uplift is something like 29%/23%/16%/12% for the 16C/12C/8C/6C respectively.

The 16C has the advantage of a 230W PPT that is not exhausted with the 7950X while being quite inefficient above 150W for 16 Zen 4 cores, other chips may be limited by thermals due to higher power/mm2.
 
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