Review Zen4 3D review thread

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Hitman928

Diamond Member
Apr 15, 2012
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Thread to focus on Zen4 3D cache CPUs.

New gaming king (as most expected), though the 2 CCD 7950x3d does seem to have issues with some games, more than I would expect of it getting stuck on the "wrong" CCD. I imagine it will get cleared up with subsequent updates but we'll see. Simulated 7800X3D showed no such issues and overall has the gaming lead (real product might be slightly slower though depending on in game clocks).


Computerbase also has the 7950x3d as the gaming champ. They (and TPU) also show that efficiency while gaming is extremely good.







Just to toot my own horn a little, it landed spot on with my prediction of fastest gaming CPU but not significantly so over a 13900k on average, but with much higher efficiency.

Additional reviews, will add more later.

Gamers Nexus
 
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Mopetar

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Jan 31, 2011
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I think that comparison isn't particularly good. We know that Cinebench will push a single core as hard as it can, but most games won't utilize all 16 cores, and there are plenty that won't saturate 8 even if they're all technically being used.

We've already seen this in n gaming benchmarks where something like the 13900K which can pull an absurd amount of power will barely hit half of that in gaming benchmarks because it's unusual for games to fully load more than a single core and even games that scale we'll tend not to fully load additional cores and as a result they run more efficiently.

Once AMD manages to figure out how to work around the voltage limits so that the v-cache chips can run at the same levels as regular Zen, the efficiency won't look quite as good. Of course I'm pretty sure we'll all gladly trade that for an extra 500 MHz of boost for that single fastest core because it will add a lot of performance.
 
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A///

Diamond Member
Feb 24, 2017
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Christ on a leaky river raft on the Nile. Not the best scores for such a high msrp. Glad I listened to @Markfw and waited to see these scores. May wait some more to see if AMD will lower the MSRP on these because of a low take rate, which is what I'm hoping for to snag a 7950X3D. If not, then the regular version. DDR5 prices have hit the bottom in terms of a new gen launch. Mobo prices have remained and are the only hinerance for me, but neither is an issue if microcenter have a combo sale. I may even grab some early Christmas gifts for myself.
 

In2Photos

Golden Member
Mar 21, 2007
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Christ on a leaky river raft on the Nile. Not the best scores for such a high msrp. Glad I listened to @Markfw and waited to see these scores. May wait some more to see if AMD will lower the MSRP on these because of a low take rate, which is what I'm hoping for to snag a 7950X3D. If not, then the regular version. DDR5 prices have hit the bottom in terms of a new gen launch. Mobo prices have remained and are the only hinerance for me, but neither is an issue if microcenter have a combo sale. I may even grab some early Christmas gifts for myself.
There is also a new combo sale for existing AM5 CPUs that just started I believe. It's valid at Newegg and Amazon.
 

Joe NYC

Platinum Member
Jun 26, 2021
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Do not LOL, Excel is a very important application for some.

Excel is very important to me too, but in majority of the user scenarios, CPU is not a bottleneck or even noticeable.

Only when I make some sort of mistake, like accidently pasting multiple-megabyte HTML document ...

My 2nd work PC (not listed in my sig) is Intel 2400, and it is fine in Excel.
 

nicalandia

Diamond Member
Jan 10, 2019
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Christ on a leaky river raft on the Nile. Not the best scores for such a high msrp. Glad I listened to @Markfw and waited to see these scores. May wait some more to see if AMD will lower the MSRP on these because of a low take rate, which is what I'm hoping for to snag a 7950X3D. If not, then the regular version. DDR5 prices have hit the bottom in terms of a new gen launch. Mobo prices have remained and are the only hinerance for me, but neither is an issue if microcenter have a combo sale. I may even grab some early Christmas gifts for myself.
You know there is always the 7700X that performs very close to the 13900K without the price tag.. There are also other Budget Gaming CPUs for the Poor.

People with Money spend money on Halo products.
 

A///

Diamond Member
Feb 24, 2017
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You know there is always the 7700X that performs very close to the 13900K without the price tag.. There are also other Budget Gaming CPUs for the Poor.

People with Money spend money on Halo products.
If my work could be done as fast on an 8 core I'd have bought the 8 core.
 

In2Photos

Golden Member
Mar 21, 2007
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Amazon does combo sales? Could you please link both?
Links are at the bottom of the article.

 

DAPUNISHER

Super Moderator CPU Forum Mod and Elite Member
Super Moderator
Aug 22, 2001
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Obviously lower power consumption and the high likelihood of a drop in CPU for a generational update in 2-4 years without digging into the guts of the PC and it should have great staying power in terms of value.
These points are not getting nearly the attention they should from reviewers or commenters. It's the deal closer.
 

DAPUNISHER

Super Moderator CPU Forum Mod and Elite Member
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Aug 22, 2001
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I have to say, the Anandtech review is not bad. He missed that the cache isn't being used in Dwarf Fortress or Factorio. It should win both of those.

BTW, when is the last time AMD was at the top of a performance list for a Total War: Warhammer game? Intel has dominated those titles.
 

Timmah!

Golden Member
Jul 24, 2010
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By the way, in case anyone is just looking at the graphs and not reading the reviews, on 7950X3D, you can force a non-gaming application to run on the V-cache CCD by adding it to the games list in the Xbox Game Bar. May be useful in some cases.

What about the reverse scenario? If your app, game or not, is put onto the v-cache CCD, when the frequency one would suit it more? This happening either by some mistake, or because its a game, so its expected behavior...but not one of those game to benefit the bigger cache? How is such situation resolved?
 

DAPUNISHER

Super Moderator CPU Forum Mod and Elite Member
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Aug 22, 2001
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Good review and uses some games not seen elswhere:
View attachment 77296
I watched that this morning. I laughed like Wendell at the beginning of his review when I saw the pinned comment. She just responded "LOL" so good!

The copium going on in that pinned comment is overdose levels. He shouldn't be lobbying to try to make Intel look better in the review, he should be thanking AMD. It ensures Intel will have to keep innovating and stay aggressive with pricing. That means he can buy his next Intel dream machine for less, and get the best product they can come up with. Unlike all those years of selling essentially the same CPU, because AMD was acting like a head wound victim.
 

CP5670

Diamond Member
Jun 24, 2004
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Looks impressive. I'm planning to get a 7800X3D, maybe from a Microcenter combo. I'm mainly interested in gaming performance and don't want to rely on the Windows scheduler and custom drivers to pick the right core for a given app.

However, the difference at 4K is pretty trivial. I wonder if it's even noticeable there. I do get performance drops in some specific maps or areas on my 10700K, where there are a lot of NPCs around, so maybe it will improve things there. The idle power is an issue as well. It's more important than load power for me, since the PC spends much more time idle.
 

alexruiz

Platinum Member
Sep 21, 2001
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Winning as expected, but there is still variability in the results
I am curious on a few details, and I admit that I did not watch all the reviews to nail down some of the details:

  • What motherboards were used?
I know that all the mobos will have AGESA ComboAM5 1.0.0.5c, otherwise the x3D chips will not run, but the implementation per manufacturer still have differences.​
My PERSONAL observation after building a few AM5 systems is that Gigabyte is still in the lead for performance, with Asus/AsRock a little behind and MSI at the rear.​
Anandtech used a Gigabyte X670E Aorus Master btw​

  • Were the regular Ryzen 7000 series retested with the newer UEFIs, or were the outlets reusing launch day numbers?
I know I sound like a broken record when I state that there is a lot of difference in performance between AGESA ComboAM5 1.0.0.1D (out of the box) and 1.0.0.3A.​
Retesting and comparing the newer results with the launch day reviews would go a long way on clearing out the questions of how fast Zen4 truly is.
No more of the "Zen 4 is slower, see this link at xxx site using launch day numbers?"​

Like many others, I wonder about the 7900X3D
Seemed to be the "just right" size, but it is absent.
 
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