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

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Doug S

Platinum Member
Feb 8, 2020
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On single-thread? No it wouldn't. SPECint is barely sensitive to DRAM bandwidth at all. Essentially no single-threaded load that isn't a vector microbenchmark is going to saturate a modern CPU's memory bandwidth.

This is crap you just hallucinated.

SPECint is, however, sensitive to memory latency. Something you sacrifice using LPDDR5 versus DDR5. So I'd argue that if M4 used DDR5 DIMMs it might score 1-2% higher in SPECint, but I know @igor_kavinski doesn't want to hear that, because its the opposite of what he's spending so many posts trying to claim.
 
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SarahKerrigan

Senior member
Oct 12, 2014
735
2,035
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I'm pretty happy. Just get annoyed when I see comparisons between Mx and Zen. Apple can get invited to the party when they develop their Prism emulator to run Win32 software.

Win/ARM runs fine on ARM Macs in virtualization.

You seem weirdly hacked off at the Mac for being... well... the Mac. Like, it mostly runs MacOS and is going to keep mostly running MacOS for the foreseeable future.
 

SarahKerrigan

Senior member
Oct 12, 2014
735
2,035
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But since you ask so nicely...


Note that the MT score here is for only 12 cores, not the full 14-16; it is unclear which ones are passed through to the guest.

And, for a comparison, the highest performing Meteor Lake ST result I could find in five minutes; I invite you to find a better one.

 

Abwx

Lifer
Apr 2, 2011
11,517
4,303
136
But since you ask so nicely...


Note that the MT score here is for only 12 cores, not the full 14-16; it is unclear which ones are passed through to the guest.

MT score is worthless in GB6, beside the 12 cores device tested by NBC score about 10% lower than what you posted.

Not that NBC are 100% accurate but that s a more reliable number than a GB6 submission whose conditions are unknown.

 
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CouncilorIrissa

Senior member
Jul 28, 2023
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MT score is worthless in GB6, beside the 12 cores device tested by NBC score about 10% lower than what you posted.

Not that NBC are 100% accurate but that s a more reliable number than a GB6 submission whose conditions are unknown.

Yes, the M3 Pro tested by NBC scores lower than the higher-end model, the M3 Max. Big news. M3 Pro has TWICE as few performance cores.
 

Nothingness

Diamond Member
Jul 3, 2013
3,033
1,976
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MT score is worthless in GB6, beside the 12 cores device tested by NBC score about 10% lower than what you posted.

Not that NBC are 100% accurate but that s a more reliable number than a GB6 submission whose conditions are unknown.

You are comparing a tablet running iOS against a Mac running Windows virtualized on MacOS. What is this supposed to show?
 
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SarahKerrigan

Senior member
Oct 12, 2014
735
2,035
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MT score is worthless in GB6, beside the 12 cores device tested by NBC score about 10% lower than what you posted.

Not that NBC are 100% accurate but that s a more reliable number than a GB6 submission whose conditions are unknown.


Congratulations! As is your tradition, you have completely missed the point!

(Igor was saying that virtualized Win/ARM has "i5 performance.")
 

Nothingness

Diamond Member
Jul 3, 2013
3,033
1,976
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It happen that the virtualised Windows yield a higher score than MacOS since that s what NBC is using, so what is your point.?.
Reread my post carefully with your finger to be sure you got all the words. See? Laptop vs tablet? Windows on MacOS vs iOS? You don't see the stupidity of the comparison?

Edit: sorry I focused on the M4 score rather than looking at the other scores. The differences between OS and version of the app might still explain the difference.
 
Last edited:

SarahKerrigan

Senior member
Oct 12, 2014
735
2,035
136
It happen that the virtualised Windows submitted at GB yield a higher score than MacOS since that s what NBC is using, so what is your point.?.

Comrade, what are you talking about?

By your own link, M3 does ~3100 GB6 ST native. The virtualized submission above was 2697.

By your own link, M3 Pro - not Max - does 14412 with 11 cores (5 P, 6 E). The virtualized NT/ARM submission does 16165. This may have something to do with the fact that the M3 Pro 11-core SKU has only five P-cores, while the M3 Max has a minimum of ten.

Just a thought.
 

Abwx

Lifer
Apr 2, 2011
11,517
4,303
136
Reread my post carefully with your finger to be sure you got all the words. See? Laptop vs tablet? Windows on MacOS vs iOS? You don't see the stupidity of the comparison?
Does this make a difference in GB, on average.?.
What specific numbers are you talking about?

I was talking of the MT score, to get back on topic Strix Point@30W score about 13600 pts in the less than ideal GB 6.
 
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