AMD Ryzen 7 7800X3D

[AnotherReader]

Thanks for the timely and comprehensive review @W1zzard. I really appreciate the investigation of the PPM provisioning file driver issue and your callout to other review sites:

adding or removing one or two games can easily change the overall outcome, that's why it's so important to have multiple publications publishing their findings, so we get a broader picture

 

[oxrufiioxo]

Do people actually bother trying to run anything above 6000 on Zen 4?

On top of that the X3D parts benefit a lot less than the vanilla ones with 6000 CL30 memory and tuned timings.

 

[BoboOOZ]

And what if the issue persist to the next generation? For all of those end users that want to upgrade. Heck we could see issue for people going from 7800X3D/7950X3D to the 8000-series, we don't know how widespread this issue will be.
I for sure would not buy this CPU if I had to reinstall my whole windows for it, to get it to work.

I think we're way overreacting here, most chances AMD or Microsoft will fix the issue given a whole year .

 

[Octopuss]

How can you compare application performance with CPUs that have like twice as many cores? How can performance in this scenario be considered a huge downside when you're not even comparing apples to apples? That's a bizarre conclusion in my eyes.

 

[muSPK]

Nice little CPU, If someone wants peak performance for gaming, this is definitely the way to go. Intel NEEDs to come out with their version of a CPU with stacked cache if they want to stay competitive, Most games seem to benefit more from higher amounts of cache instead of higher clocks.

But if someone is going to do a mix of applications as well with gaming, I'd lean more towards the 7900X3D or 13700K to be honest.

I for sure would like to see someone testing gaming and streaming at the same time, and see which CPU is best for that combo. I doubt the 7800X3D will be at the top.

 

[Hattu]

Performance/Wattage is my only concern. This delivers it. Too expensive upgrade, tho. Like anything nowadays. But maybe someday....

 

[HD64G]

I'm not knocking what you said about the CPUs, their results speak for themselves. I'm just saying each year we do the annual "the king is dead, long live the king!" crowning.

OK, got your point now, but I didn't do so for the 5800X3D since it matched and didn't defeat the 12900K for absolute performance. It sure won in vfm and efficiency though.

 

[bobmeix]

My 10850K is a joke compared to this CPU!
As I use it, it needs double the power, while delivering 60% of the gaming performance on average.

 

[Mahboi]

Crushing.

3D-Vcache needs to go into the server market and the laptop market.
Imagine a laptop that instead of croaking after 3 hours of gaming lasts a 4th hour. It's nothing short of revolutionary. After just a few years, only the cheapest laptops will go to market without 3DVcache.

I for sure would like to see someone testing gaming and streaming at the same time, and see which CPU is best for that combo. I doubt the 7800X3D will be at the top.

Interesting that you bring that up, just earlier I was thinking that the only valid use case for the 7950x3D is precisely this.
Play your game on the 3D cache while the other encodes AV1 and ships it.
If it can be made to work, it's going to become THE streaming CPU. Although I expect that the Nvidia/AMD GPU encoders will do the job anyway.

I'd buy the 7950x 3d over it to be fair. There are games that performance will drop due to lack of cores

Such as? Because I've watched BPS Customs, LTT, HWUB, and GN today, and read Phoronix and the review here.
The best case scenario is a 5% gain.
Another slap to the face of the "AMD/Intel isn't giving us enough new cores anymore" people. Most games scarcely use even 8 cores.

 

[kapone32]

And what if the issue persist to the next generation? For all of those end users that want to upgrade. Heck we could see issue for people going from 7800X3D/7950X3D to the 8000-series, we don't know how widespread this issue will be.
I for sure would not buy this CPU if I had to reinstall my whole windows for it, to get it to work.

Isn't that what you are supposed to do when you get a new CPU architecture?

 

[JustBenching]

Such as? Because I've watched BPS Customs, LTT, HWUB, and GN today, and read Phoronix and the review here.
The best case scenario is a 5% gain.
Another slap to the face of the "AMD/Intel isn't giving us enough new cores anymore" people. Most games scarcely use even 8 cores.

Cyberpunk / spiderman etc. PUREPC is testing in tom's dinner, heaviest area of the game.

 

[Steevo]

Dat power efficency tho......

I think my NB uses as much power as this whole CPU.......

 

[bug]

No, you should because you're installing a different CPU and you want to have a stable system with high performances. Most of the guys buying this will come from AM4 or Intel, so there is no sound option not to do a fresh install. I mean, we're in 2023, that's why we have fast SSD, not like back in 2000

My Windows install that was originally a Win7 on an i5-2500k and was upgraded successfully all the way to Win11 on an i5-12600k is rofl.

Isn't that what you are supposed to do when you get a new CPU architecture?

Not if you're running anything newer than Win7.
Win95/98/XP were like that, but VIsta, with its hated telemetry, enabled Microsoft to build something much more resilient.

 

[Selaya]

comparison charts w/ this maybe?
to showcase what the missing 200mhz are worth, performance wise?

 

[BoboOOZ]

My Windows install that was originally a Win7 on an i5-2500k and was upgraded successfully all the way to Win11 on an i5-12600k is rofl.

I'm pretty sure I heard you cannot do statistics with one example. This is why they call it "anecdote".

 

[wheresmycar]

The TPU wizzardry has done it again! Great review.... Glad the "core parking fail" got its own page for maximum exposure and another page, exactly what i was looking for, dedicated to "Power vs 13900K, 13700K, 5800X3D & 7900".

Every time i see the power consumption/efficiency charts, 7000-series in my eyes is already a clear winner. Whilst gaming my rooms temps are insane in the summer hence the lower power draw the better... i even undervolt my gaming card to keep things cooler.

Now seeing the 7800X3D beating everything out there in gaming performance and yet staying widely ahead with energy efficiency is simply amazing.

It's just a shame we're not getting some higher quality boards in the ~£200 region, DDR5 memory prices seem reasonable, especially for the sweet spot specs for gaming. Then there's the hefty price tag for the 7800X3D. Maybe one day!

 

[Makaveli]

The absolute maximum is 5050, it will typically run close to 5.0 in games, when fully loaded you will see 4.8

Its reminds me of the 5800X which will hit the same single core boost with PBO on and about the same all core speed.

 

[Gameslove]

We love the 5800X3D for gaming, special for a 4K - 8K resolutions. 7800X3D might be after 1 year release it costs around 310$, same history as 5800X3D I think.

 

[ctulloch137]

I'm really surprised by a few edge case results. Elden Ring, for example. The 7950x3d, in it's reviews a month ago, significantly outperformed the "simulated" 7800x3d - that kinda sold me also on the notion that 7950x3d will still be better in a few very thread heavy games, and not worse than the 7800x3d in the rest.

But in this review the 7800 is outperforming the 7950 in Elden Ring... although I notice that the FPS result for the 7950 matches exactly the review from a month ago. Was a fresh test not run for the 7950? Or it just exactly matched down to the tenth of a fps?

 

[unwind-protect]

I'm really surprised by a few edge case results. Elden Ring, for example. The 7950x3d, in it's reviews a month ago, significantly outperformed the "simulated" 7800x3d - that kinda sold me also on the notion that 7950x3d will still be better in a few very thread heavy games, and not worse than the 7800x3d in the rest.

But in this review the 7800 is outperforming the 7950 in Elden Ring... although I notice that the FPS result for the 7950 matches exactly the review from a month ago. Was a fresh test not run for the 7950? Or it just exactly matched down to the tenth of a fps?

Was the simulated run done by disabling all the high-clock cores?

 

[ctulloch137]

Believe so - he describes it in the article I'm sure

Ryzen 7950X3D with One CCD Disabled - The 7800X3D Preview

Ryzen 7 7800X3D will be the most affordable Zen 4 X3D processor, but it doesn't release until April. We reconfigured the Ryzen 9 7950X3D to match the specs of the 7800X3D and ran it through our test suite, which includes 14 games at 720p, 1080p, 1440p and 4K. Results are impressive.

www.techpowerup.com

 

[SrKag]

Better deal for the 7700x for over all, compared with 7800x3d, in my opinion. Looks to me the 7800x3d is intentionally gimped.

 

[muSPK]

Interesting that you bring that up, just earlier I was thinking that the only valid use case for the 7950x3D is precisely this.
Play your game on the 3D cache while the other encodes AV1 and ships it.
If it can be made to work, it's going to become THE streaming CPU. Although I expect that the Nvidia/AMD GPU encoders will do the job anyway.

Sadly it seems hard to set this up the correct way, the streaming application will try to steal performance from the 3D Vcache cores, so you will get an performance loss.

Isn't that what you are supposed to do when you get a new CPU architecture?

Of course not. if you are changing motherboard and CPU, then yes, that is a different story.

 

[W1zzard]

But in this review the 7800 is outperforming the 7950 in Elden Ring... although I notice that the FPS result for the 7950 matches exactly the review from a month ago. Was a fresh test not run for the 7950? Or it just exactly matched down to the tenth of a fps?

The 7950X3D was not retested, no reason to.

I noticed these cases, too, where 7800X3D is a bit faster than 7950X3D, even 7950X3D with one CCD disabled, even though 7950X3D will run higher clocks in CCD0. It seems that enabling Xbox overlay, enabling game mode and running the AMD "thread director" software consumes a little bit of CPU, which takes CPU time away from the actual game

Of course not. if you are changing motherboard and CPU, then yes, that is a different story.

No need ... I've brought a Windows 10 installation from 6700k to 8700K to 5700X, and upgraded GPU like 4 times

 

[muSPK]

No need ... I've brought this Windows 7 installation on my work PC from 2600K to 8700K to 5700X, and upgraded GPU like 4 times

Good to know, really bad though you had to reinstall whole Windows to get the 7800X3D to work correctly.

Didnt know you could go from an Intel system to an AMD system, without reinstalling Windows!