News Ryzen 7950X3D May Run Slower Than 7800X3D, Reviews Rumored for Feb 27th

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Even if its 1-200 MHz slower, I'm assuming the ~50% larger cache will more than make up for it in applications where the cache benefits. And as for the applications that don't benefit from the cache, you have 8 more cores at 5.7 GHz. I think the 7950X3D will be a pretty impressive chip as long as tasks are properly scheduled to the cache heavy/clock speed heavy CCD. We shall find out soon.
 
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usertests said:
The "news"/leak is that the 7950X3D's 3D CCD is slower than the 7800X3D. It was expected to be the same (5.0 GHz boost).
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Pay more, get less, LOOL

Or should we change it and instead say Pay less get more with the 7000 series X3D chips?😀
 
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7800X3D looks like the good target for gamers. Really as a gamer, its game performance that matters. In games like world of warcraft the 5800x3d is the number 1 cpu, just because of the cache. Basically the 5800x3d is not that good overall. Not every game is going to be faster. 5800X and 5800X3D performed nearly identically in Crysis 3 Remastered, making the X3D's premium hardly worthwhile. Counter-Strike: Global Offensive at 1080p the 5800X3D was outperformed by the standard 5800X. There are six games I know of were the cache makes no difference. Like GTA V for example. Most games should get a boost but will it be worth the extra cost?
 
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Last week we learned that transpired that the Ryzen 9 7950X3D is actually slower than the Ryzen 9 7950X in Blender and Geekbench 5 and apparently this might be a result of lower clocks on the CCD equipped with additional cache.
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Stuff like this is why I won't buy an X3D CPU. I really don't like the idea of spending lots of money on a CPU that is only faster in specific applications and actually slower in other.

If I'm buying a newer CPU, I want a flat performance increase. No "ifs" and "maybes".

Higher clocks gives me a flat performance increase I can count on. Cache is very fiddly regarding which applications actually benefit.
 
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froggx said:
Is speculation derived objectively from currently available factual data actually throwing shade?
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What factual data, because I've yet to see any 7800x3d leaks, and aots is not the greatest indicator of gaming performance from the 7900x3d leaks. It's purely speculation at this point with Anton's standard negative connotation towards amd products
 
PlaneInTheSky said:
Stuff like this is why I won't buy an X3D CPU. I really don't like the idea of spending lots of money on a CPU that is only faster in specific applications and actually slower in other.

If I'm buying a newer CPU, I want a flat performance increase. No "ifs" and "maybes".

Higher clocks gives me a flat performance increase I can count on. Cache is very fiddly regarding which applications actually benefit.
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You are going to get that in non x3d chips too. The non x3d will be faster in many aspects, but fall short on the gaming side. There is always a tradeoff, somewhere. You just have to decide what matters more, gaming, or production work.
 
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PlaneInTheSky said:
Stuff like this is why I won't buy an X3D CPU. I really don't like the idea of spending lots of money on a CPU that is only faster in specific applications and actually slower in other.

If I'm buying a newer CPU, I want a flat performance increase. No "ifs" and "maybes".

Higher clocks gives me a flat performance increase I can count on. Cache is very fiddly regarding which applications actually benefit.
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Do you have an intel CPU with E-cores? They are not always better than their prior parts because of the nature of adding in smaller cores. There are still applications that will bump over to the E-cores when they could be on the P-cores resulting in less theoretical performance. This is very similar in what AMD does with X3D cores vs normal cores. There are always going to be growing pains when you have some cores do something better than others on the same CPU.
 
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Why do I care that a CPU that's designed to be a gaming CPU might be slightly slower than some other CPU in non-gaming benchmarks?

Is the 7950X3D going to be slower than the 7800X3D in gaming performance? Is it going to be slower than the 7900X3D in gaming performance? Is it going to be slower than the 7950X in gaming performance?

If I cared about this processor's performance in non-gaming situations, I'd be buying an Intel.
 
I remember when I first saw the Zen4 X3D lineup and was blown away by how stupid AMD's choices were. The testing of the R7-5800X3D showed a small net loss of productivity performance coupled with a huge net gain of gaming performance compared to the R7-5800X.

The APU most likely to have the most to gain from this innovation would be the R5-7600(X) with the Ryzen 9 APUs having the least to gain from it. Deciding to release X3D versions of the R9-7900X & R9-7950X but not the R5-7600X was a massive blunder on AMD's part.

Gamers don't usually buy high-core-count CPUs or APUs and prosumers won't want their productivity performance compromised by the X3D cache, especially if they have to pay more for it.

I believe that even if these Ryzen 9 X3D APUs initially still well, there's going to be a lot of dissatisfied prosumer customers. OTOH, I'm sure that a lot of gamers will be disappointed at the lack of X3D where it would do the most good, in Ryzen 5 APUs. What's so stupid about it is the fact that an R5-7600X3D APU would crush Intel in the gaming space just like Threadripper and EPYC crushed Intel in the HEDT and server spaces, respectively.

So far, I believe that the only X3D APU that was smart to make and will be successful is the R7-7800X3D.
 
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helper800 said:
The implication is that the multi-CCD CPUs have a lower boost clock on the cores with the higher cache than the 1 CCD 7800X3D.
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This is going to be the key thing to find out.

I suspect this is purely speculation although it sounds very reasonable. The reviewers have 7950x3d and 7900x3d preview chips but from what a couple have also leaked is they don't expect to see 7800x3d for a month or so.
So what they are likely doing is comparing the tested results from the 79?0x3d and the spec sheet from amd on the 7800x3d.

I suspect AMD actually knows that the 7800x3d is going to be the optimum choice for gaming from a cost/performance perspective. They will try to get as much money as possible from those who won't wait for the 7800x3d.
I am going to wait until we see actual test results on the 7800x3d.

Until microsoft makes it easier for programs to indicate what kind of cores they like best these fancy cpu chips are not going to be optimum choices for many things.
 
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No surprise given the additional cores. This is why I was a little surprised that they would even make a 7950x3d since most games use about 4 cores max, seemed like a mismatch of ideas, but benchmarks will tell use one way or the other.
 
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PlaneInTheSky said:
Higher clocks gives me a flat performance increase I can count on. Cache is very fiddly regarding which applications actually benefit.
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again depends.

non x3D cpu is ofc fast, but is the lwoer clocks ACTUALLY going to lower performance enough that you'd notice w/o looking at a HUD displaying the details?
Probably not.

however when the cache DOES benefit it is usually a noticeable improvement.


you you are not really losing much by lil bit slower clocks (as you wont perceive it 9/10 times) and gaining those niche things that benefit from it and a noticeable improvement.

but i do think ppl should wait for reviews to see if the games u play benefit or not (everyone should always wait for reviews before buying)
 
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