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AMD Introduces EPYC 4004 Series Socket AM5 Server Processors for SMB and Dedicated Webhosting Markets

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AMD today introduced the EPYC 4004 line of server processors in the Socket AM5 package. These chips come with up to 16 "Zen 4" CPU cores, a 2-channel DDR5 memory interface, and a 28-lane PCIe Gen 5 I/O, and are meant to power small-business servers, as well as cater to the dedicated web-server hosting business that generally attracts client-segment processors. This is the exact segment of market that Intel addresses with its Xeon E-2400 series processors in the LGA1700 package. The EPYC 4004 series offers a superior support and warranty regime compared to client-segment processors, besides ECC memory support, and AMD Secure Processor, and all of the security features you get with Ryzen PRO 7000 series processors for commercial desktops.

AMD's offer over the Xeon E-2400 series is its CPU core count of up to 16, which lets you fully utilize the 16-core limit of the Windows 2022 Server base license. The EPYC 4004 series is functionally the same processor as the Ryzen 7000 "Raphael" except for its ECC memory support. This chip features up to two 5 nm "Zen 4" CCDs with up to 8 cores, each; and an I/O die that puts out two DDR5 memory channels, and 28 PCIe Gen 5 lanes. Besides today's processor launch, several server motherboard vendors are announcing Socket AM5 server boards that are rackmount-friendly, and with server-relevant features.



The AMD EPYC 4004 series consists of eight individual processor models based on CPU core counts and TDP. The lineup begins with the 16-core/32-thread EPYC 4564PX, with 4.50 GHz base frequency, up to 5.70 GHz boost, and a 170 W TDP for superior boost frequency residence. This chip is priced at $699, which isn't all that pricier than a Ryzen 9 7950X client processor. The EPYC 4584P is launching at the same $699 price, with the same 16-core/32-thread muscle, but lower 4.20 GHz base frequency, and a significantly lower 120 W TDP. Next up, is the EPYC 4464P, a 12-core/24-thread chip with 3.70 GHz base frequency, 5.40 GHz maximum boost, and a 65 W TDP. AMD is pricing this chip at $429. The 4484PX is a faster 12-core chip, with 4.40 GHz base frequency, 5.60 GHz maximum boost, but with a 120 W TDP, and a $599 price.



The 8-core/16-thread lineup consists of the EPYC 4364P and the 4344P. The former ticks at 4.50 GHz base and 5.40 GHz maximum boost, with a 105 W TDP and a $399 price; while the latter does 3.80 GHz base, 5.30 GHz maximum boost, with a 65 W TDP, and a $329 price. The EPYC 4244P is a 6-core/12-thread chip running at 3.80 GHz base, 5.10 GHz boost, 65 W TDP, and a $229 price. At the tail end is the EPYC 4124P, a 4-core/8-thread chip that ticks at the same 3.80/5.10 GHz speeds as the 4244P, with the same 65 W TDP, but at a $149 price.



The company also presented several performance numbers for its EPYC 4004 series, where the series shows significant performance advantage over the Xeon E-2400 series in several server performance benchmarks. The real ace here is AMD's core count, which scales all the way between 4 and 16, letting you maximize your Windows 2022 Server base license, or the 16-core SQL Server license.

The complete slide deck follows.


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No dual-ccd v-cache, huh? Too bad, would've been nice to see.
 
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This is extreme greed from AMD, segmenting their processor lineup such that ECC support is now considered a "server" feature that you have to pay server processor prices for. Disgusting, but unsurprising given that Intel's done the same forever. Remember AMD fanboys, they are a company, they don't care about giving you value for money, they just want your money.
 

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This is extreme greed from AMD, segmenting their processor lineup such that ECC support is now considered a "server" feature that you have to pay server processor prices for. Disgusting, but unsurprising given that Intel's done the same forever. Remember AMD fanboys, they are a company, they don't care about giving you value for money, they just want your money.
The regular Ryzen CPUs supports ECC, IF the motherboard makers have implemented support for it, which they often don't bother with, as it's extra work on their side.
1716301251102.png
 
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The regular Ryzen CPUs supports ECC, IF the motherboard makers have implemented support for it, which they often don't bother with, as it's extra work on their side.
View attachment 348203
Wait what? Then WTAF does this CPU offer, over the desktop ones?
 
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7 for 24 cores and 9 for 32 cores?
So, for AM5 socket we will see release of a 32-core processor with 2 CCDs with 16 cores each?
 
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The number 4004 reminds me of something.
 
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This will give you a better idea:
tl;dr basically nothing. So the only thing that could possibly make this interesting is if they couple it to a chipset that is less shit than Prom21.
 
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Sounds like a easy way to sell Ryzen 7000 chips laying around to clear inventory for the Zen 5 chips coming soon.
 
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This is extreme greed from AMD, segmenting their processor lineup such that ECC support is now considered a "server" feature that you have to pay server processor prices for. Disgusting, but unsurprising given that Intel's done the same forever. Remember AMD fanboys, they are a company, they don't care about giving you value for money, they just want your money.
The prices are the same as the desktop chips. Please stop trolling.
1716316783366.png

You can actually get a quad core version for $149 cheaper than any Zen 4 Ryzen.
 
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7 for 24 cores and 9 for 32 cores?
So, for AM5 socket we will see release of a 32-core processor with 2 CCDs with 16 cores each?

The most interesting part to me is the "P" "feature modifier" for 1 CPU only, so there will be multisocket AM5 processors and boards? That would be very interesting!

You can actually get a quad core version for $149 cheaper than any Zen 4 Ryzen.

On it's own that's pretty amazing but unless I missed something, these won't work on regular consumer boards so you'll loose all the savings on an expensive prosumer/enterprise type board :(
 
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Very surprised that this has no RDIMM support.

These are clearly rebadged Ryzen systems. 2-channel traditional UDIMMs? Yeah, this is a Ryzen chip.

That's not a bad thing, especially at this lower price point. (Well, lower compared to EPYC. Its obviously a touch more expensive than typical Ryzen)
 
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The main "feature" of the EPYC 4004 series over the Ryzen 7000 series is that ECC support is mandatory and validated. For Ryzen that is not the case. That alone might make me want to go for an EPYC processor next time, if the motherboard of my choice should support them. Also, since the EPYC 4004 series is really just a series of Ryzen processors it's pretty logical that registered memory isn't supported.

Originally I wanted to point out that AMD is now doing what Intel dropped since the 12th gen. Core. Namely, that you needed a Xeon E processor, which is just a regular Core processor with a few less bits fused off, to get ECC support. Intel changed that policy with Alder Lake where regular Core processor suddenly supported ECC ...well, if you could get hold of a W680 (now W790)-based motherboard. Seems like Intel had a change of heart, because, lo and behold, the Xeon E series is back. However, regular Core processors also still support ECC *and* more cores. If you can get the matching motherboard...

In general AMD is much better at not fusing off features. I hope this will continue, but the introduction of the EPYC 4004 series might very well change that.
 
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Could be really useful, but only gives the same 28 lanes as the regular Ryzen.....
What a waste...
 
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only the ryzen pro has this feature of ECC. and few old ryzen

even some of my AM4 boards have ECC option

On AM4 non-Pro APU's did not support ECC. All Pro CPU's were validated for ECC, and non-APU/non-PRO CPU's had no validated ECC support but the feature was "present". This of course did require motherboard support (Gigabyte, Asus, and Asrock) with Asrock being perhaps the most generous with ECC enabled for a large portion of their lineup but I think also UEFI/BIOS support is needed as well. The reason I say that is because I was able to get MemTest86 to validate ECC testing with error injection on Zen+ non-pro CPU's however some years later after UEFI/BIOS updates this feature stopped working making it impossible to validate with Passmark MemTest86 using error injection feature. I suspect AMD plugged a hole in the UEFI/BIOS and from that point on I have only been able to use MemTest86 error injection successfully with newest UEFI/BIOS with 4750g Pro CPU (Zen2). Otherwise I was able to prove 1 bit error correction reporting in Windows 10 with borderline bad RAM overclocks on Zen+ (2600/2700), Zen2 (3950x), and Zen3 (5950x) but I've read on reddit an alternate method by shorting some ram pins which I never tried.

The bottom line on AM4 non-Pro CPU's are not validated and perhaps (some speculation here) are being blocked from being easily validated with software like Passmark MemTest86 with error injection via UEFI/BIOS or blocked by contractual obligation.

From what I recall reading AM5 CPU's 7000 series specs stated it supported ECC but early in launch this became quickly unsupported for motherboards. For example Asrock removed it's listings for ECC support but I think it was sometime this year re-posted support for ECC with many of it's motherboards HOWEVER Asrock QVL's have not been updated to list compatible ECC ram like what had been observed for AM4 consumer motherboards.

So now there are some questions:
  • For 7000 series CPU's does ECC actually work?
  • Does on-die ECC for DDR5 make it much harder to validate using the bad ram overclock method?
  • Why does Asrock list 7000 series PRO cpu's? (perhaps they were placeholders for EPYC?)
    • (edit) Ok so AMD is doing the PRO sku again for OEM so EPYC is for Retail
      • Will EPYC only work in server/workstation boards?
  • For 9000 series CPU's will AMD revert back to non-validated ECC support in favor of segmentation with EPYC with validated ECC support?
  • Will Passmark MemTest86 error injection option work with DDR5 and AM5 UEFI/BIOS with non-EPYC cpu's?
 
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If these are compatible with regular X670E motherboards, I would rather buy this than a 7950X. Not bad. Hope AMD makes them as widely available as the Ryzens.
 
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The prices are the same as the desktop chips. Please stop trolling.
View attachment 348254
You can actually get a quad core version for $149 cheaper than any Zen 4 Ryzen.
Interesting they don't have the 8 core EPYC with x3d cache available on lineup. I really dislike the mixed core concept for productivity workloads but I want the 3d cache for lower TDP and making the slower memory irrelevant.

If these are compatible with regular X670E motherboards, I would rather buy this than a 7950X. Not bad. Hope AMD makes them as widely available as the Ryzens.
I have a feeling they are only going to enable server/workstation boards for AM5 EPYC because otherwise it might rip deeply into whatever is left of Threadripper as a premium workstation.
Wait and see I suppose.
 
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Interesting they don't have the 8 core EPYC with x3d cache available on lineup. I really dislike the mixed core concept for productivity workloads but I want the 3d cache for lower TDP and making the slower memory irrelevant.


I have a feeling they are only going to enable server/workstation boards for AM5 EPYC because otherwise it might rip deeply into whatever is left of Threadripper as a premium workstation.
Wait and see I suppose.

Non Pro TRs are starting at $1500 though and have far pricier motherboards. There's a lot of room to work with here and these are limited to MSDT memory and expandability... We'll see
 
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