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

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Josh128

Senior member
Oct 14, 2022
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400
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Several people so far (including a user here) seem to be seeing no change with the 2H24 Win 11 build. Very wonky. Im starting to agree with MarkPost here that HWUBs results are due to something else. Odd thing is, KitGuru got ~ similar uplifts in the few games he tested, but his testing is difficult to follow with VBS ON/OFF, 2H24/2H23, etc.

An average of 10% gains in a 40 game test suite should DEFINITELY show up in some synthetic benchmarks, whether that be Geekbench, 3DMark, CPU-z, or whatever. I cant believe that someone like HWUB that goes through all the trouble of testing those games doesnt throw up token Geekbench, Cinebench, CPU-z benchmarks with every configuration change to track whats changing, considering they are so easy and quick to run. SMH.

Im starting to think this is all a big nothingburger.
 
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In2Photos

Golden Member
Mar 21, 2007
1,951
1,988
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Several people so far (including a user here) seem to be seeing no change with the 2H24 Win 11 build. Very wonky. Im starting to agree with MarkPost here that HWUBs results are due to something else. Odd thing is, KitGuru got ~ similar uplifts in the few games he tested, but his testing is difficult to follow with VBS ON/OFF, 2H24/2H23, etc.

An average of 10% gains in a 40 game test suite should DEFINITELY show up in some synthetic benchmarks, whether that be Geekbench, 3DMark, CPU-z, or whatever. I cant believe that someone like HWUB that goes through all the trouble of testing those games doesnt throw up token Geekbench, Cinebench, CPU-z benchmarks with every configuration change to track whats changing, considering they are so easy and quick to run. SMH.

Im starting to think this is all a big nothingburger.
I would say they tested games only because that is where they saw very little improvement from Zen4 to Zen5. That has been the focus since the release of Zen5, the lack of a performance uplift in gaming. There was improvement in synthetic benchmarks. And while they may be "easy and quick to run", the 40 gaming benchmarks he did run were not. Neither were any of the other 4-5 videos they have posted on the topic. If it's so easy why don't you run them?
 

Philste

Senior member
Oct 13, 2023
248
442
96
Several people so far (including a user here) seem to be seeing no change with the 2H24 Win 11 build. Very wonky. Im starting to agree with MarkPost here that HWUBs results are due to something else.
Ryzen and Windows is difficult, HUB could have had a bugged Windows 23H2 Installation. Computerbase also had difficulties with their 9900X despite a fresh Windows. It performed worse than 7600X and suddenly after another fresh Windows it performed like it should.
 
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GaiaHunter

Diamond Member
Jul 13, 2008
3,650
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Several people so far (including a user here) seem to be seeing no change with the 2H24 Win 11 build. Very wonky. Im starting to agree with MarkPost here that HWUBs results are due to something else. Odd thing is, KitGuru got ~ similar uplifts in the few games he tested, but his testing is difficult to follow with VBS ON/OFF, 2H24/2H23, etc.

An average of 10% gains in a 40 game test suite should DEFINITELY show up in some synthetic benchmarks, whether that be Geekbench, 3DMark, CPU-z, or whatever. I cant believe that someone like HWUB that goes through all the trouble of testing those games doesnt throw up token Geekbench, Cinebench, CPU-z benchmarks with every configuration change to track whats changing, considering they are so easy and quick to run. SMH.

Im starting to think this is all a big nothingburger.
So we have two reputable benchmarking youtubers getting similar results.
Don't see what is difficult between VBS ON/OFF and 2H24 vs 2H23.
You should run VBS. I believe the super admin account disables VBS, but I might be wrong.
 

GaiaHunter

Diamond Member
Jul 13, 2008
3,650
218
106
Ryzen and Windows is difficult, HUB could have had a bugged Windows 23H2 Installation. Computerbase also had difficulties with their 9900X despite a fresh Windows. It performed worse than 7600X and suddenly after another fresh Windows it performed like it should.
That seems to be a problem with AM5 platform, with dual CCD, CCD with extra L3$ vs CCD L3$, etc.
For a end user, you probably only going to install a single CPU, while reviewers keep changing CPUs that have different properties and want windows to schedule stuff in a different way.

Some reviewers had problems when testing 7950x3D when not in a fresh windows install, since the OS would not differentiate between the extra L3$ CCD and the CCD without.
 

Abwx

Lifer
Apr 2, 2011
11,515
4,301
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Attachments

  • Screenshot 2024-08-27 at 15-22-49 AMD Ryzen 7 9700X Review Core i9-14900K levels of single-cor...png
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I posted some ramble a month ago about disconnection between CPU architects and developers, cpu architecture and code in the wild including OS kernel layers userland etc etc

how generic x86 archs are, how generic most code is and result is huge efficiency loss opposed to purpose-specific compute chips running purpose-specific code

then suddenly small change of less flushes in windows🚽, +11% in games from an OS patch for cpu behaviour that's crazy


if there was some real incentive between cpu architects, OS developers and app developers to align on how stuff actually works everything would run so much faster

today everyone is 24/7 online but there is so much disconnection in this world........

how is possible?
 
Last edited:
Jun 1, 2024
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NBC got numbers quite better than average, here their conditions, notice the bolded :

All tests were performed after a clean installation of Windows 11 23H2 (Build 22621.3958) together with the latest AMD chipset drivers and Nvidia Game Ready Driver 560.81.


yeah the disparage between 1000 review sites is ridiculous

how can't they all just make a standard WINDOWS BENCHMARK ISO so they all use the same thing

ridiculous.......
 

Heartbreaker

Diamond Member
Apr 3, 2006
4,321
5,432
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how can't they all just make a standard WINDOWS BENCHMARK ISO so they all use the same thing

Better that we don't have that, as that opens things up to companies making tweaks to win the benchmark, which may not be the best outcome.

Back when AMD had the core count advantage, Cinebench was the de facto multi-core benchmark.

I wonder if heavy use of Cinebench everywhere helped push Intel to make it's e-Cores to win that one.

I think it's best when we have the wild west of testing, so a simple benchmark win doesn't become the goal.
 

Hail The Brain Slug

Diamond Member
Oct 10, 2005
3,477
2,400
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Strix is slower in Windows compared to Linux anyway, and all the laptops are shipped with the 24H2 update.
I thought only the Snapdragon Elite Copilot+ PCs shipped with 24H2, in order to enable the Copilot+ features.

And the HX370 laptops shipped with 23H2, which is why they couldn't ship as Copilot+ laptops with the features enabled.

Source on HX370 laptops coming with 24H2?
 

MS_AT

Member
Jul 15, 2024
194
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I thought only the Snapdragon Elite Copilot+ PCs shipped with 24H2, in order to enable the Copilot+ features.

And the HX370 laptops shipped with 23H2, which is why they couldn't ship as Copilot+ laptops with the features enabled.

Source on HX370 laptops coming with 24H2?
I recall a comment from David Huang but that seemed weird they would ship it to laptops if desktop version is still in preview 1.5 month after Strix release
 

Hail The Brain Slug

Diamond Member
Oct 10, 2005
3,477
2,400
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I recall a comment from David Huang but that seemed weird they would ship it to laptops if desktop version is still in preview 1.5 month after Strix release
Even if STX laptops shipped with preview 24H2, there's no guarantee that version of the preview included these fixes. Unless someone explicitly tests the known fixed version of 24H2 I will assume these fixes were not present for benchmarking.
 
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Philste

Senior member
Oct 13, 2023
248
442
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Seems like they found a significant performance improvement with W11 24H2, though not quite like Hardware Unboxed.
Not really. The results are all over the place, 3D even has a few major performance losses and there isn't a clear sign at any game, sometimes all ZEN5 behaves the same, sometimes Single CCD gets bigger Boost, sometimes dual CCD has bigger Boost, random regressions in lost games. That's a completely different result to Hardware Unboxed.
 
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Jan Olšan

Senior member
Jan 12, 2017
396
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An average of 10% gains in a 40 game test suite should DEFINITELY show up in some synthetic benchmarks, whether that be Geekbench, 3DMark, CPU-z, or whatever. I cant believe that someone like HWUB that goes through all the trouble of testing those games doesnt throw up token Geekbench, Cinebench, CPU-z benchmarks with every configuration change to track whats changing, considering they are so easy and quick to run. SMH.
Synthetic benchmarks may not see a big gain. You have to remember that the source of the performance gains* is the performance drops that are introduced by speculative attack vulnerabilities mitigations. Those mitigations are applied for OS code that handles context switches, kernel calls and that sort of stuff. So you can expect gains in places that saw heavy hits back when Spectre and "friends" were getting patched.

If benchmark code runs on its own in its very own user-space process and doesn't communicate with drivers or sending system calls or doing disk IO heavily, it is not tripping the mitigations-affected path much and thus may have seen little performance degradation from the mitigations, so little performance gain (more specifically, restoration) now.

* Windows 11 24H2 is a big update so it is very likely there are other factors in the mix too. The games that got extreme performance gains (and also show improvement on Intel CPUs)? Those are definitely a case where some other unrelated change in the Windows environment is also influencing performance. Stuff like that could affect things like CPU-Z, but is not very likely to.

But the changes that AMD has been talking about are specific - they are optimizations in the code that handles the branch prediction attack mitigations (flushing BTBs...)
 

CouncilorIrissa

Senior member
Jul 28, 2023
518
1,982
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I thought only the Snapdragon Elite Copilot+ PCs shipped with 24H2, in order to enable the Copilot+ features.

And the HX370 laptops shipped with 23H2, which is why they couldn't ship as Copilot+ laptops with the features enabled.

Source on HX370 laptops coming with 24H2?
Reviews.
ASUS Zenbook S 16 (2024) can come with Windows 11 Home or Pro preinstalled. The unit I’m reviewing had the Pro edition, version 24H2, which Microsoft hasn’t finalized yet. This is because ASUS, Microsoft, and AMD wanted this laptop and similar devices to have access to some of the AI goodies built into this version of Windows.

edit: ASUS also imply that the Zenbook is shipped with the 24H2 update, at the bottom of the page: https://www.asus.com/laptops/for-home/zenbook/asus-zenbook-s-16-um5606/
The drivers on this PC are only compatible with Windows 11 version 24H2 or later. To ensure optimal functionality and avoid any potential issues, please do not manually install an older version of the operating system.
 

tsamolotoff

Member
May 19, 2019
170
301
136
An average of 10% gains in a 40 game test suite should DEFINITELY show up in some synthetic benchmarks, whether that be Geekbench, 3DMark, CPU-z, or whatever.
I can definitely say that disabling spectre/meltdown fixes via registry alleviates the difference between 'true' admin mode and local admin mode for me personally, and the uplift in CP2077 and FC6 is similar to what HW Unboxed and the other tech media gained (and I have fully tuned system and generally know what I'm doing), and I run Win10 22h2 instead of Windoze 11 of whatever variety. The only thing I couldn't replicate is the Gears of War 5 35% discrepancy, but I've already theorized that this might be related to how the benchmark disrespects the in game video settings and uses something else instead of what you set.
 

Josh128

Senior member
Oct 14, 2022
282
400
96
I would say they tested games only because that is where they saw very little improvement from Zen4 to Zen5. That has been the focus since the release of Zen5, the lack of a performance uplift in gaming. There was improvement in synthetic benchmarks. And while they may be "easy and quick to run", the 40 gaming benchmarks he did run were not. Neither were any of the other 4-5 videos they have posted on the topic. If it's so easy why don't you run them?

Where is a link to these improvements in synthetic benchmarks you speak of? Geekbench is very easy to run, it takes less than 5 minutes, and if I had the processors, I would run them?
 
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