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

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HurleyBird

Platinum Member
Apr 22, 2003
2,697
1,293
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I hope so too, of course. But if I had to put money on it either way, it would have to go on the side of the hype train derailing, as it almost always does.

Actually, let me expand on this. The odds of any hype train being realized in an environment where rather unexciting internal projections are dismissed as sandbagging and hyper-conservatism, and where whispers of development problems and missed targets are starting to materialize, is effectively zero.

It would be nice to be wrong on this one, but I'm sure I'm not.
 

RnR_au

Golden Member
Jun 6, 2021
1,745
4,259
106
I consulted my toaster oven and it assured me that the IPC gain would be > 50% with no frequency regression. My toaster oven has impeccable sources, or so it says.
Well your AI is better than mine. ChatGPT 3.5, via OpenAI won't even hazard a guess for me. It starts whining about its training. I asked for estimates but it still refused to give a number. It seems AI is even more cagey than Youtube 'leakers'
 

FlameTail

Platinum Member
Dec 15, 2021
2,430
1,312
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After RGT spilled thoses speculative beans i m eagerly awaiting for some MLID s devastating counter attack with due numbers from unautorised sources, the best leaker title and supremacy is at play here.
Idk but I feel MLID is more legit than RGT is.
 

FlameTail

Platinum Member
Dec 15, 2021
2,430
1,312
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1. Zen 5 Hype Train (AMD)
 

eek2121

Platinum Member
Aug 2, 2005
2,941
4,040
136
I only had in mind the expansion of the core logic and the resulting IPC gain.It is known that Yonah's biggest problem was the lower maximum clock speed, so Conroe's much higher IPC and achieving a much higher clock speed resulted in a significant increase in Core 2 performance.
I remember my jaw dropping when Conroe launched and I saw the benchmarks in comparison to the clock speeds. It made the Pentium 4 obsolete.

We desperately need another Conroe style correction in that regard. IMO Too much silicon (and power, for that matter) is wasted chasing high clocks.

Yonah was mobile only, so that was likely the reason you never saw higher clocks.

Conroe was also super successful because that was around the time Apple switched to x86.

Hopefully AMD gets things going in the right direction with Zen 5.
 

Thibsie

Senior member
Apr 25, 2017
770
837
136
I remember my jaw dropping when Conroe launched and I saw the benchmarks in comparison to the clock speeds. It made the Pentium 4 obsolete.

We desperately need another Conroe style correction in that regard. IMO Too much silicon (and power, for that matter) is wasted chasing high clocks.

Yonah was mobile only, so that was likely the reason you never saw higher clocks.

Conroe was also super successful because that was around the time Apple switched to x86.

Hopefully AMD gets things going in the right direction with Zen 5.
Yonah was also 32bit, alas.
I still have an old Thinkpad X60.
A pity 'cos with 8 GB ram, it would have been useful a lot longer.
 

AMDK11

Senior member
Jul 15, 2019
297
202
116
I remember my jaw dropping when Conroe launched and I saw the benchmarks in comparison to the clock speeds. It made the Pentium 4 obsolete.

We desperately need another Conroe style correction in that regard. IMO Too much silicon (and power, for that matter) is wasted chasing high clocks.

Yonah was mobile only, so that was likely the reason you never saw higher clocks.

Conroe was also super successful because that was around the time Apple switched to x86.

Hopefully AMD gets things going in the right direction with Zen 5.
But Netbrust was a high-clock microarchitecture with a 1-way x86 decoder.

Today, GoldenCove has a 6-way decoder that is wider than previous generations, unlike Netbrust whose decoder was narrower. The Pentium III had a 3-way decoder.

So the massive growth of IPC Conroe was no miracle compared to Netbrust. Compared to IPC Yonah, it was simply the generational leap that could be expected from the next generation. Additionally, the effect was intensified by the slightly exaggerated drama that Intel would no longer be able to develop a new architecture with a higher IPC than the K8.
 
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Glo.

Diamond Member
Apr 25, 2015
5,740
4,615
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Zen 4 based 8700G scores around 2720-2750 pts in Geekbench 6.

If Zen 5 brings 30% IPC increase - we are looking at 3550 score in GB6 for Strix Point(low clocked, relatively).
If Zen 5 brings 40% IPC increase - we are looking at 3850 pts in GB6 for Strix Point.

If Zen 5 brings 5% decrease in IPC we are looking at 2600 pts in GB6 for Strix Point. Which would bring it to the level of Meteor Lake CPUs.

In any case it will be interesting to watch the meltdown.

 

adroc_thurston

Platinum Member
Jul 2, 2023
2,607
3,831
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But Netbrust was a high-clock microarchitecture with a 1-way x86 decoder.

Today, GoldenCove has a 6-way decoder that is wider than previous generations, unlike Netbrust whose decoder was narrower. The Pentium III had a 3-way decoder.
Decode is whatever tier stuff.
Netburst had a huge trace cache for that.
But it had so many glass jaws otherwise that the resulting IPC was kinda bad on a good day.
On a bad day, you were Tulsa and you were stuck in a replay loop.
 
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