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AMD Zen 5 rumours

rare said:
This makes me feel like unless AMD bring some new technology to the X3D parts they may be quite disappointing as well. If the 9700x can’t really better the 7700x then surely adding 3D cache to it will just mean you get 7800X3D performance with maybe a few fps here and there.
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Was thinking that earlier, maybe 10% better at most?
 
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MLID said something quite interesting. The new chips released he says are starved of power so they cannot clock that high at default settings. We will have to hope the X3D chips have a much higher TDP so they clock higher. Fingers crossed.
 
I am waiting for a CPU that offers double the single and multi thread performance personally. My 5900X does everything I need so just don't get the upgrade itch the way I do regularly with GPU's.

3 more years and AM6 platform would be out hopefully. That's what would like to go for if I can help it.
 
eeii said:
MLID said something quite interesting. The new chips released he says are starved of power so they cannot clock that high at default settings. We will have to hope the X3D chips have a much higher TDP so they clock higher. Fingers crossed.
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There's already many benchmarks with the power limit's removed I don't get what he's on about but then its to be expected and the way its looking at the moment a higher power limit will give the X3D simillar uplift as the 9600X/9700X.
 
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TNA said:
I am waiting for a CPU that offers double the single and multi thread performance personally. My 5900X does everything I need so just don't get the upgrade itch the way I do regularly with GPU's.

3 more years and AM6 platform would be out hopefully. That's what would like to go for if I can help it.
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A doubling of single core performance anytime soon and at reasonable cost will very much depend on the node and the direction of software development.
 
jigger said:
A doubling of single core performance anytime soon and at reasonable cost will very much depend on the node and the direction of software development.
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As long as current pace is kept I don't see why not. 9700X with 8 cores can already match 12 cores of my cpu in rendering. Single core is 35% better. 2-3 more gens we might be there.
 
Donnie Fisher said:
eh? I really dont get that comment.

I would almost expect new architecture to need adaptations in software in order to get the best out of them. Was that not the case with Intels P/E core architecture ? It took a change in the scheduling to get the best out of it. So what would be difference when it comes of Zen 5?
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Charges to scheduling = change the kernel.

Recompile all software because of a new CPU? Only viable in Linux

That was my point; instead of "software changes" I should have said "software to be recompiled":

Once any CPU requires software to be recompiled to achieve its potential it generally is a lost cause.
 
eeii said:
MLID said something quite interesting. The new chips released he says are starved of power so they cannot clock that high at default settings. We will have to hope the X3D chips have a much higher TDP so they clock higher. Fingers crossed.
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Likely they’ll release a 9800X with higher TDP.
 
Hmm, I'm feeling cynical. Imagine the 12/16 cores come out with 105 or 140W power budgets - and much better better binned chips.

Imagine the 9800x3D has both higher power budget and the usual x3D fun. A firm split between low power cheap end, a high power high end and the to x3D premium part in the middle.

Might do ok?
 
What people are ignoring,is also where are all the new chipsets? They use the same Promontory 21 and were expected to support much faster RAM. Where are all the faster AMD specific RAM kits which were meant to be available for Zen5?

Surely if the CPUs are memory bandwidth limited, why did AMD launch it with older chipsets and send out relatively slow RAM?

Launch seems very rushed.
 
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CAT-THE-FIFTH said:
What people are ignoring,is also where are all the new chipsets? They use the same Promontory 21 and were expected to support much faster RAM. Where are all the faster AMD specific RAM kits which were meant to be available for Zen5?

Surely if the CPUs are memory bandwidth limited, why did AMD launch it with older chipsets and send out relatively slow RAM?

Launch seems very rushed.
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That won’t help. Fabric bandwidth is the limitation and amd did nothing there.
 
CAT-THE-FIFTH said:
What people are ignoring,is also where are all the new chipsets? They use the same Promontory 21 and were expected to support much faster RAM. Where are all the faster AMD specific RAM kits which were meant to be available for Zen5?

Surely if the CPUs are memory bandwidth limited, why did AMD launch it with older chipsets and send out relatively slow RAM?

Launch seems very rushed.
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Wouldn't the IOD play a larger role in memory support? And chipsets would be more about motherboard IO.

IMO 22 months and no new IOD is a poor showing. A few more CU's, new video encoders, or just a big effort to get idle power down would have been the minimum we should have expected. Will be interesting to see what Intel's move to glueing chiplets together does for their idle power.

Anyone know if Turin is getting new IOD's?
 
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rare said:
This makes me feel like unless AMD bring some new technology to the X3D parts they may be quite disappointing as well. If the 9700x can’t really better the 7700x then surely adding 3D cache to it will just mean you get 7800X3D performance with maybe a few fps here and there.
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It's 5% faster (give or take in games depending on review) at nearly half the power draw. If you run it at 105W TDP, it'll show more improvement. For me it should have been a 105TDP part and the reviews would have been a bit more favourable. The N4P (4nm) process was either +11% more performance or +22% power savings.

The 7800X3D is just a brilliant chip in terms of performance and power draw that likely won't be ousted until Zen 5 X3D. I wouldn't be surprised if Intel's next CPUs have a hard time beating it in either of those metrics.
 
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With all the 7000 X3D chips at 120 TDP i wonder if they keep the same TDP for the 9000 X3D's or lower them to something like 105? Keeping them at 120 would likely show the real gains so i kinda hope they do that right?

I suppose AMD will wait and see what Intel does before they make that decision :)
 
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