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

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Det0x

Golden Member
Sep 11, 2014
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With 5.2 Ghz Max Boost, rather than 5.4-5.5 GHz some people expected, 7800x3d owners can sleep well, without temptations to upgrade.
Guess AMD went conservative on the clocks for this SKU, and looking at the already leaked numbers for Arrow Lake, they will face zero pressure from Intel this generation.

But Z5X3D should have much more overclocking headroom than Z4X3D, for those of us that like to tweak 👍
5.2ghz stock fmax + 200mhz offset + ECLK the rest
 

Det0x

Golden Member
Sep 11, 2014
1,336
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Me and someone Ik have been stuck around the same score of 33K, guess it’s because we're on Nvidia?
Not really
I updated my numbers for 9950X (ES) + 3090 @ same settings

Pretty much bottlenecked by the 3090 at this level, need to get my hands on a 5090


Had one run at 53.3k, but the clocks were pushed to high -> freeze at the outro-screen of all things 😅
 

Timmah!

Golden Member
Jul 24, 2010
1,521
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Another great review by Geekerwan.

View attachment 110128
Is this 45k score at 5,13 GHz and 300W of power for 9950x default state of business with PBO on,or does it require further tinkering to get there (meddling with CO and other bios settings, in other words not guaranteed)?
Is 300w possible to cool with AiO like my Arctic 420 - i mean to keep it at those 95C so the clocks wont throttle down from that 5,1 value and score does not plummet?
 

MS_AT

Senior member
Jul 15, 2024
311
691
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Another great review by Geekerwan.

View attachment 110128
Do I get this right, he made a show of overclocking Zen5 so it could match subambient cooled M4 in SPEC instead of simply enabling SIMD in the compiler options, where it would match it at stock (at least the FP part) ? [This assumes he used his standard compiler setup for SPEC].
 

Gideon

Golden Member
Nov 27, 2007
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Me and someone Ik have been stuck around the same score of 33K, guess it’s because we're on Nvidia?
Would make sense. I installed W11 24H2 and managed to hit 34K, but couldn't get any more out of it, even with RTX 4090. I'll try at some point with my venerable RX 6800, once I get it back
 
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CouncilorIrissa

Senior member
Jul 28, 2023
561
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Do I get this right, he made a show of overclocking Zen5 so it could match subambient cooled M4 in SPEC instead of simply enabling SIMD in the compiler options, where it would match it at stock (at least the FP part) ? [This assumes he used his standard compiler setup for SPEC].
Not only that, the GCC version used to compile SPEC in his testing, GCC 10.1, predates not even Zen 4, but Zen 3.
lol
 

MS_AT

Senior member
Jul 15, 2024
311
691
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Not only that, the GCC version used to compile SPEC in his testing, GCC 10.1, predates not even Zen 4, but Zen 3.
lol
Isn't he using Clang 14.0.6 but without specifying any arch so he gets x64 baseline for everyone? It's better than specifying march=native if he doesn't plan on updating the compiler.

I think the twitter user Raichu was using GCC 10.1, David Huang is using GCC 12.3 but he is trying to make sure his march options make sense and Chips&Chesse are using GCC 14.2 with --march,mtune=native which is the best option for any chip as long as it is recognized by the compiler but it will force them to update the compiler for each released chip that GCC 14.2 does not support [or manually enable missing features].
 

Josh128

Senior member
Oct 14, 2022
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744
106
Idk here ? xD "Not, a chance in hell" then 12h later xD when tuned 9800x3d is 25%+ faster vs max tuned wcckek's best amd-owner's can do. But that meme was funny thou xD

View attachment 110017
Looks like at least half of my "not a chance in hell" prediction came to fruition, the performance half. Now its completely up to AMD. "To milk or not to milk".
 
Last edited:
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CouncilorIrissa

Senior member
Jul 28, 2023
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Isn't he using Clang 14.0.6 but without specifying any arch so he gets x64 baseline for everyone? It's better than specifying march=native if he doesn't plan on updating the compiler.

I think the twitter user Raichu was using GCC 10.1, David Huang is using GCC 12.3 but he is trying to make sure his march options make sense and Chips&Chesse are using GCC 14.2 with --march,mtune=native which is the best option for any chip as long as it is recognized by the compiler but it will force them to update the compiler for each released chip that GCC 14.2 does not support [or manually enable missing features].
10:58
 

CouncilorIrissa

Senior member
Jul 28, 2023
561
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Oh, I haven't noticed. My bad. That is why I was saying in another thread the compiler configuration should be shared in visible place together with the results

Thanks for pointing this out.
He's been all over the place with his choice of compiler. He used Clang 14.0.6 for his LNL review as you pointed out. But his Raptor Lake reviews used GCC 12 IIRC.
 

Philste

Senior member
Oct 13, 2023
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I mean everyone that expected way more than 10% was obviously wrong. ZEN5 is 3% faster than ZEN4 with same RAM and clocks have a 0.5-0.7 scaling. So it's 3% from Arch and 7% from Clocks at best. With 5.2GHz boost we're looking at 3% from Arch and 3% from Clocks, so ~6%.
 

Josh128

Senior member
Oct 14, 2022
463
744
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I mean everyone that expected way more than 10% was obviously wrong. ZEN5 is 3% faster than ZEN4 with same RAM and clocks have a 0.5-0.7 scaling. So it's 3% from Arch and 7% from Clocks at best. With 5.2GHz boost we're looking at 3% from Arch and 3% from Clocks, so ~6%.

AMDs marketing has a proven track record for setting a range of expectations and having the product come in at the absolute lowest possible point on that range. They literally leaked 5.2GHz all core Cinebench R23 a couple weeks ago. Based on that, most logically thinking people were assuming 5.3 to 5.4 max boost for 9800X3D. AMD set these expectations with that leak. Coming in at only 5.2 is disappointing solely because of their own crappy marketing. All they had to do in the run up was tease a "modest max clock boost", or dont mention clocks at all, but thats not how they roll, lol.
 

Hail The Brain Slug

Diamond Member
Oct 10, 2005
3,525
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AMDs marketing has a proven track record for setting a range of expectations and having the product come in at the absolute lowest possible point on that range. They literally leaked 5.2GHz all core Cinebench R23 a couple weeks ago. Based on that, most logically thinking people were assuming 5.3 to 5.4 max boost for 9800X3D. AMD set these expectations with that leak. Coming in at only 5.2 is disappointing solely because of their own crappy marketing. All they had to do in the run up was tease a "modest max clock boost", or dont mention clocks at all, but thats not how they roll, lol.
You're judging a leak which may not even be accurate or real information against.... another leak that may or may not even be accurate or real information.

I'd think it would be prudent to stop judging an unannounced, unreleased product until we have real, actual hard specs and performance figures.
 

tsamolotoff

Senior member
May 19, 2019
211
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AMDs marketing has a proven track record for setting a range of expectations and having the product come in at the absolute lowest possible point on that range
Who said that was AMD? It was clearly an overclocked CPU which was most probably (to put it mildly, I'd even say definitely) a dual CCD part with one chiplet disabled (otherwise it wouldn't require hiding the CPU name etc) which has higher (or just different) fmax as compared to non-ES SKUs including 7800x3d. As Dom said, his pre-release ES "9950x" has different fmax and v/f curve as compared to the final products
 

Josh128

Senior member
Oct 14, 2022
463
744
106
Who said that was AMD? It was clearly an overclocked CPU which was most probably (to put it mildly, I'd even say definitely) a dual CCD part with one chiplet disabled (otherwise it wouldn't require hiding the CPU name etc) which has higher (or just different) fmax as compared to non-ES SKUs including 7800x3d. As Dom said, his pre-release ES "9950x" has different fmax and v/f curve as compared to the final products
The 5.2GHz all core leak was most definitely done with AMDs permission. There are NDAs for things like this, and its extremely evident that it was a calculated / planned leak.
 

tsamolotoff

Senior member
May 19, 2019
211
421
136
The 5.2GHz all core leak was most definitely done with AMDs permission. There are NDAs for things like this, and its extremely evident that it was a calculated / planned leak.
You can also make 7800x3d and 7950x3d to run close to fmax on x3d chiplet, so what's different now and why we should be worried etc? This 5.2 leak was just to curb expectations if people see the 5.6 ghz benchmarks and assume that it'd be 100% possible to do for everyone.
 

arcky

Junior Member
Oct 21, 2024
14
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The 5.2GHz all core leak was most definitely done with AMDs permission. There are NDAs for things like this, and its extremely evident that it was a calculated / planned leak.
Nothing about this “official leak” (whatever the hell that means) looks reputable to me. The graphic style (font, layout, image) doesn’t match any other AMD material, the verbiage itself reads very casual/unprofessional and frankly grammatically incorrect. At worst, this is entirely fabricated, at best it might be sourced from some official channel, but in neither of those scenarios does this appear calculated/planned.
 
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