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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The answer is no, and why would they show all of their cards already when they were patiently waiting for X Elite to go public for a proper comparison?

What good would it do them to wait? If they had something that blew away X Elite, shouldn't they want to get that info out there first to spoil X Elite's launch? If that launch hadn't itself been bungled, which position would AMD rather be in - to let all the tech press spend a week publishing articles about how the fastest Windows PC you can buy has a Qualcomm CPU in it and only then release information about Zen 5 to top it? Or would they rather have all the tech press say "X Elite is pretty strong, actually beating AMD's two year old architecture, but falling well short of this summer's new architecture"

By putting out the information that they were faster as quickly as possible, they'd limit sales of X Elite PCs because everyone would want to wait and see what OEM PCs with Zen 5 look like. I don't see it as ever being anything other than a mistake to withhold news that makes you look better than a competitor. That just lets them sell a lot of gear to people who have read those tech press articles and made a buying decision accordingly.

Just look at the iPad Pro launch, Apple put that out there in their usual 'iPad Pro' launch time so no one was expecting much until rumors came out that it would be M4, but still people weren't expecting too much. Then it comes out and it quickly became known that 5mm tablet is the fastest single threaded device you can buy at any price, and even if X Elite and Zen 5 had lived up to the hype they would still have fallen short.

I mean, even if X Elite had hit all its performance claims, there were no software issues, no last minute firmware patches to fix a bug that hit performance by 40% or whatever, etc. so the launch went off without a hitch, it would still be dimmed by far how behind M4 it was. Had X Elite beat M3, then M4 came out later in the summer/fall there would remain a period of time where Qualcomm was in the lead. People would perceive the competitive balance between Apple and Qualcomm differently as a result.
 

poke01

Golden Member
Mar 8, 2022
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AFAIK Intel and AMD don't compare themselves to Apple in PR.

I think Qualcomm are only doing so because they have literally been boasting that they had Axx µArch engineers working on Phoenix/Oryon.

MacOS still remains too separate from Windows or any serious level of compatibility to its software base on the level of Linux Proton/Wine, in no small part due to Apple's insistence on going their own way with Metal gfx API rather than the open standard of Vulkan, meaning that they cannot take advantage of the work done in DXVK and Zink.
Intel, AMD and even Nvidia compare with Apple.

Intel did it last year and AMD at computex with M3. Nvidia compared its RTX 4090 vs the M3 Max in DaVinci resolve 19 beta.

Apple is a big player in where actual money is made in the client computing space. I bet their next target is the 3D rendering space something Nvidia has a huge lead in.
 

Jayzen

Member
May 5, 2024
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Gotta admit, it'll be hilarious when the benchmarks come out and 14900K @ DDR5-8000/8400 is still ahead of the 9950X in gaming. Course, it'll be burning itself out in the process, but still.
Aged like fine wine in my opinion considering even AMD themselves say that Zen5 won't beat Zen4 X3D, and David's testing confirming that AMD is not sandbagging Zen5 at all lmao (in fact they're overhyping it, looking more like 6% for most use cases rather than 16%)
 

Jayzen

Member
May 5, 2024
25
82
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AMD is a for-profit company. If they had a game-changing product, they'd price it accordingly. Zen5 is not a game-changing product, and that's reflected by the fact that prices appear to be Zen4 launch prices at most.
 

itsmydamnation

Platinum Member
Feb 6, 2011
2,860
3,407
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Aged like fine wine in my opinion considering even AMD themselves say that Zen5 won't beat Zen4 X3D, and David's testing confirming that AMD is not sandbagging Zen5 at all lmao (in fact they're overhyping it, looking more like 6% for most use cases rather than 16%)
Is that the game or not game stable version of the 14900k?
 

tamz_msc

Diamond Member
Jan 5, 2017
3,865
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Is that the game or not game stable version of the 14900k?
You're twice as likely to encounter a game that has no perceptible difference in performance on a 7800X3D than a 14900K/13900K with mainstream optimal setup configurations for both than encountering a game that has a noticeable difference.

This is me summarizing HW Unboxed data.

"7800X3D is the best gaming CPU" is a overhyped meme. In reality, it is better than the alternatives for specific gaming scenarios.
 
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soresu

Platinum Member
Dec 19, 2014
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I bet their next target is the 3D rendering space something Nvidia has a huge lead in
I wish them luck, because they aint gonna get far chipping away at nVidia's lead.

The problem isn't just hardware but software.

nVidia are not just pouring money into their OptiX API, but also basically just paying for software engineers to do all the legwork for developers to integrate their renderers with OptiX, which is a measure that AMD can't really afford to do.

Apple could almost certainly afford to hire out engineers, but they still need their own software solution, as I doubt Metal on its own provides an adequate foundation to build on for this specific use case.

The thing is that with AMD and Intel already wanting to chip away at nVidia's market dominance in this field, the only truly viable solution is an open one, and that is something that Apple is unlikely to gel with (snowballs chance in hell 🤣).
 
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itsmydamnation

Platinum Member
Feb 6, 2011
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You're twice as likely to encounter a game that has no perceptible difference in performance on a 7800X3D than a 14900K/13900K with mainstream optimal setup configurations for both than encountering a game that has a noticeable difference.

This is me summarizing HW Unboxed data.

"7800X3D is the best gaming CPU" is a overhyped meme. In reality, it is better than the alternatives for specific gaming scenarios.
That's a whole lot of not answering the question , stable or unstable defaults.

Also the games that have a noticeable IPC advantage on GC compared to zen4 will likely be the games that see a good bump on zen5.
 

DrMrLordX

Lifer
Apr 27, 2000
21,794
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did AMD design what is effectively Bulldozer 2: Electric Boogaloo?

I was gonna say "feels more like POWER lite", though someone else already mentioned that . . .

You're twice as likely to encounter a game that has no perceptible difference in performance on a 7800X3D than a 14900K/13900K with mainstream optimal setup configurations for both than encountering a game that has a noticeable difference.

This is me summarizing HW Unboxed data.

"7800X3D is the best gaming CPU" is a overhyped meme. In reality, it is better than the alternatives for specific gaming scenarios.
Seems like your analysis is a bit flawed. If I see no perceptible difference between a 7800X3D and a 14900k (or what have you), why would I ever get the 14900k for a g4m3r rig? It uses a lot less power, is largely-insensitive to RAM speed (meaning I can save $$$ and time on that too), and basically is just a lot easier to build out for a competent g4m3r rig. In fact if 7800X3D stacks up too well against various Zen5 skus then I'm not really sure that g4m3rs are gonna want a Zen5 either. Until Zen5X3D comes out.
 

Philste

Member
Oct 13, 2023
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In GB6 text processing he measure about 10% while AMD state that it s 19%.
In GB5 and AES XTS he measure about 12-13% while AMD state that it s 35%, so dunno what is the validity of his tests or if frequencies where accurate.
Well AMD also measured a 12% lead for their Ryzen 5000XT refresh in a completely GPU Limited Scenario. Since ZEN4 (or at least RDNA3) you can't trust any of AMDs 1st party benches. Which is sad, because they were great at the beginning of Ryzen.
 

tamz_msc

Diamond Member
Jan 5, 2017
3,865
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Also the games that have a noticeable IPC advantage on GC compared to zen4 will likely be the games that see a good bump on zen5.
Raptor Cove in 14th Gen is at least +10% ahead in (geomean) gaming than vanilla Zen 4. Zen 5 vanilla will just barely* close that gap.

*Because-

1. In the overwhelming majority of cases, once you have enough cores, SMT hurts gaming performance.
2. Zen 5 behaves like a "8-wide" decode CPU only when you enable SMT. Otherwise, it is 4-wide.

We have no idea how 1 & 2 will affect gaming performance.
 
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Timorous

Golden Member
Oct 27, 2008
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Raptor Cove in 14th Gen is at least +10% ahead in (geomean) gaming than vanilla Zen 4. Zen 5 vanilla will just barely* close that gap.

*Because-

1. In the overwhelming majority of cases, once you have enough cores, SMT hurts gaming performance.
2. Zen 5 behaves like a "8-wide" decode CPU only when you enable SMT. Otherwise, it is 4-wide.

We have no idea how 1 & 2 will affect gaming performance.



Unless AMD are outright lying the 9950X should be around 10-15% faster than the 14900K on average.
 

adroc_thurston

Diamond Member
Jul 2, 2023
3,311
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No, good per-fetcher will predict and fetch needed data from L2/L3/Memory. Since the bandwidth is higher than the core throughput, there nothing magical about it.
The pattern in question here gets prefetched anyway, you just run enough NOPs to roll L1/L2 capacity over.
The weird thing is fetch b/w being even through all the cache level stride (where L3 should definitely be the Great Equalizer), either the prefetcher is way smarter and breaks his pattern or something weird is going on.
 

JustViewing

Member
Aug 17, 2022
159
268
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The pattern in question here gets prefetched anyway, you just run enough NOPs to roll L1/L2 capacity over.
The weird thing is fetch b/w being even through all the cache level stride (where L3 should definitely be the Great Equalizer), either the prefetcher is way smarter and breaks his pattern or something weird is going on.
No again, ICache pre-fetcher will always fetch next stride from L2/L3. That is the case for a long time.
 

Joe NYC

Platinum Member
Jun 26, 2021
2,323
2,929
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You're twice as likely to encounter a game that has no perceptible difference in performance on a 7800X3D than a 14900K/13900K with mainstream optimal setup configurations for both than encountering a game that has a noticeable difference.

This is me summarizing HW Unboxed data.

"7800X3D is the best gaming CPU" is a overhyped meme. In reality, it is better than the alternatives for specific gaming scenarios.

You mean the scenario where you save 50% on CPU, 50% on memory, 50% on power consumption, and have a faster and stable processor out of the box, without silicon degradation?

All of this info was not available in early part of life of 14900k, and in fact, it launched some months before 7800x3d, so all of this was not glaringly obvious to early buyers of 14900k.

But today, 14900K is an IQ test.
 

yuri69

Senior member
Jul 16, 2013
435
717
136
Unless AMD are outright lying the 9950X should be around 10-15% faster than the 14900K on average.
They are not lying. They are using marketing like any other corporate entity.

Due to their nature games are inherently hard to benchmark objectively, unless there is a dedicated benchmark sequence.

There have been many occasions where using a different sequence resulted in completely different benchmark results. IIRC Witcher 3 featured drastically different behavior between an open countryside sequence (GPU-bound) vs a densely populated city sequence (CPU-bound).
 
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KompuKare

Golden Member
Jul 28, 2009
1,069
1,108
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Unless AMD are outright lying the 9950X should be around 10-15% faster than the 14900K on average.
Since the 14900K now confirms what many of us suspected from the start - that running a CPU out of the box at settings which can only be called "Pentium 4 Extreme Edition deja vu" was asking for trouble - I cannot see why anyone would seriously have the unstable 14900K in any comparison since not even Intel know what the stable settings should be and a stock CPU which is not stable and regrades cannot be taken seriously.

EDIT: that should of course read "degrades" at the end, although something which is almost bait and switch in terms of reviews could very well be called "regrades"!
 
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