The Ryzen "ThreadRipper"... 16 cores of awesome

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imported_ats

Senior member
Mar 21, 2008
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I didn't say that. They will still have to work with their customers to validate the hardware. But that is a flat cost cost really, they don't have any real development costs for "parts that serve a mission critical need". OEM's are basically free to integrate the hardware that they are comfortable onto the platform rather than fit their requirements around AMD's implementation (like they do with Intel). This means quicker validation. So basically they just have AMD's design consultants, on site guys to help develop a validation suite, and whatever the supply of CPU's they need for the testing (which might be the largest portion of costs needed to apply to actual EPYC shipment costs). If they continue to use the platform for several generations, that will only quicken the ability for the OEM's to test what they need.

There is going to be significant overhead on AMD independent of any OEMs to validate the 32c cpu and 2s platform. That's in addition to all the support overhead for working with the OEMs. The vast majority of post-si validation is solely on AMD's shoulders. OEMs will report in bugs and issues, but AMD is the one doing the vast majority of the work. EPYC will have/had significant validations costs well above and beyond what was required for Ryzen or even TR.
 
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beginner99

Diamond Member
Jun 2, 2009
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I agree. Which is why I find it so peculiar that Epyc is shipping before TR.

Could be many reasons for that. Naples server part was given and planned for from the start. Who knows when they started validation for it. Threadripper and X399 might have been a late addition to the roadmap. Wasn't planned from start. Could be they only decided to do this MCM and platform after very first silicon showed promising results. So they are a bit behind with this part even though it requires less work than naples.

Or they are just short on man-power and obviously then server part is the main priority.
 

CHADBOGA

Platinum Member
Mar 31, 2009
2,135
832
136
I personally expect 8/12/16 core TR's. I saw some chart with in-between core counts but I don't see it myself based on the CCX configuration. I have no specific paper or source though.
Why an 8 core TR when there is the 8 core Ryzens?
 

KompuKare

Golden Member
Jul 28, 2009
1,078
1,129
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Why a 6 core SKL-X when a 6 core CFL-S will launch shortly after?
Why a 4 core KBL-X when... oh well, let's avoid this mess.

If the 8 core TR keeps the increased PCIe lanes + memory channels... it could make sense somewhat. If it doesn't then it makes little sense indeed.
Well, if the hints in AT article about those ASRock X399 boards and elsewhere are anything to go by, this 4000 contact LGA socket is going to be expensive. And part of that must be because of volume. So one way to get the socket price down for both TR and Epyc is surely to sell more boards. If an 8C part with at least some extra features increases the volume the price for TR and Epyc boards comes down. However, the extra PCIe lanes and memory channels on a dual die package implies a 2+2 & 2+2 to reach 8C which with the rumoured 80% yields means they will most likely have to cripple perfectly good parts.
 

beginner99

Diamond Member
Jun 2, 2009
5,223
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However, the extra PCIe lanes and memory channels on a dual die package implies a 2+2 & 2+2 to reach 8C which with the rumoured 80% yields means they will most likely have to cripple perfectly good parts.

True but they are probably doing that already with Ryzen 5. They where clever enough to give the quads lower frequency. I bet the 1400 is mostly here to salvage dies with bad voltage/frequency curve (but not necessarily broken chips).
 

Malogeek

Golden Member
Mar 5, 2017
1,390
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yaktribe.org
Why a 6 core SKL-X when a 6 core CFL-S will launch shortly after?
Why a 4 core KBL-X when... oh well, let's avoid this mess.

If the 8 core TR keeps the increased PCIe lanes + memory channels... it could make sense somewhat. If it doesn't then it makes little sense indeed.
It doesn't make much sense to put only 1 Zeppelin core in the large package when you can move back to R7 instead for a much smaller package (and cost) for the 8 core. The cores are essentially the same.

Has there actually been an 8 core TR mentioned anywhere by AMD?
 
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guskline

Diamond Member
Apr 17, 2006
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Most reports show a low of 10 cores in TR followed by 12, 14 and finally 16 cores. Nowhere did I find an 8 core TR.
 

Topweasel

Diamond Member
Oct 19, 2000
5,436
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Most reports show a low of 10 cores in TR followed by 12, 14 and finally 16 cores. Nowhere did I find an 8 core TR.
Well that and most people don't think the 10 and 14 cores are possible. AMD is doing the anti Intel and doesn't seem to be targeting any overlapping product lines with the exception of their Pro line. I get peoples desires. wanting a high clocked 8 core for $300-$400 that they can plunk down on an almost same cost mobo and have what seems like unlimited memory bandwidth and lanes. But look at the 12c pricing its just slightly above 2x R5 1600 pricing, the 16 cores just higher than 2x 1700x pricing. Offering an 8 core CPU will just create havoc on the pricing basically best case scenario it's $400, causes pricing confusion between the whole R7 lineup, completely cuts into the margins on the TR offerings that people have already been saying are "to small" or "AMD hates money" and frankly not needed. If the 10core CPU's are real and are hovering around $500+ is a completely butchered 2 die chip really worth it, when you are talking about whats supposed to be a premium platform. An 8 core Threadripper is really not that much better than Intel offering KabyLake X on 299 (well it's a lot better, but still not a smart move). The end point being that I don't think an 8c TR brings in more purchasers the ones that would buy that would probably still buy AMD, they would just get an R7 or TR 10c. Though as a bonus it would get more people on X399 which doesn't really help AMD much, but would increase the likelihood of a followup purchase on TR4 as opposed to upgrading to Intel later. Since the rest of the platform is so expensive people would be more likely to upgrade rather than dump the system.
 
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mattiasnyc

Senior member
Mar 30, 2017
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Why an 8 core TR when there is the 8 core Ryzens?

Ignoring for a second what else the x399 lineup will be the argument for an 8 core TR when there's already an 8 core r7 is pretty much amount of RAM + channels of RAM + more PCIe lanes. So if you take someone like me for example;

- I do content creation
- I would want a future upgrade path for # of cores
- I expect I will need more PCIe lanes than Ryzen provides
- I might need more than 64GB memory

However, all of the above doesn't mean I don't want to keep costs low initially. With Ryzen r7 I'm essentially stuck when it comes to amount/channels of RAM as well as PCIe lanes. And if my minimum core count is 8 then there's no foreseeable way upwards on the AM4 platform. Perhaps there'll be a future Ryzen with more cores, but it's not something I'd count on.

So if there was an 8 core TR it'd be a benefit for many because we'd save some money on the CPU, but can upgrade it later to twice the core count. Some tasks perform better with higher clock speed rather than more cores, so if there's a faster 8 core TR than the fastest 16 core that'll also appeal to some people. Then we can buy 32GB ram and keep adding to way beyond r7's maximum. And finally, with a good board we can keep adding audio/video dedicated DSP etc without having to compromise due to a too limited PCIe lane count.

So, I think there's a pretty strong case for an 8 core TR from the pro-sumer perspective. Whether or not it makes sense technically or financially for AMD I have no idea.
 

beginner99

Diamond Member
Jun 2, 2009
5,223
1,598
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Most reports show a low of 10 cores in TR followed by 12, 14 and finally 16 cores. Nowhere did I find an 8 core TR.

AFAIK in the Ryzen technical thread it was explained that only symmetric configs will happen and due to optimizations because supposedly software companies (MS?) said it's an issue to optimize for all different types of configs. That is also why 1600(x) is 3+3 and 1500(x) is 2+2. This also means only multiples of 4 are possible: 4,8,12,16 for Threadripper. But maybe not true. Still KISS would be preferred in my opinion. 3 SKUs: 8, 12 and 16 and be done with it. All with max clock possible for TDP target. I mean they don't need to bin here. The crappy dies all end up in R5 1400, 1500 anyway.
 

formulav8

Diamond Member
Sep 18, 2000
7,004
522
126
Why an 8 core TR when there is the 8 core Ryzens?

That could be the sweet spot for quite a few. 8 cores with tons of lanes. That's literally why some didn't buy Ryzen. But not sure if AMD would bring out that sku depending on yields.
 

Mopetar

Diamond Member
Jan 31, 2011
8,024
6,478
136
I agree. Which is why I find it so peculiar that Epyc is shipping before TR.

I don't. It's essentially the same process involved in making both, and if you're AMD you know that you can ask a lot more for Epyc. Intel's best server CPU right now is a 24-core chip with a list price of almost $9000. Sell a 32-core Zen for $6000 (or whatever really) and make money hand over fist. It's the same chips being sold as $300 - $500 Ryzen CPUs and connecting them isn't going to cost $4000.
 

Topweasel

Diamond Member
Oct 19, 2000
5,436
1,655
136
That could be the sweet spot for quite a few. 8 cores with tons of lanes. That's literally why some didn't buy Ryzen. But not sure if AMD would bring out that sku depending on yields.
I would think the sweet spot would depend on cost. If and there is some evidence it doesn't exist a 10c was available for $550, would that be just as good as getting an 8c. Specially since unlike Intel's offerings we know that the extra cores really isn't going to affect clock speed.
 

formulav8

Diamond Member
Sep 18, 2000
7,004
522
126
Your response doesn't invalidate my question

I wasn't doing anything but answering. Up to 16 cores is all I've seen them say. Nothing about 8, nor 12. Of course them saying 'up to' means there will be lower core parts. But they haven't given any specifics afaik.
 
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StinkyPinky

Diamond Member
Jul 6, 2002
6,832
881
126
Do you guys think this will have better gaming performance because of the quad channel memory config?
 

T1beriu

Member
Mar 3, 2017
165
150
81
Possibly new Whitehaven (ThreadRipper) Engineering Samples CPUs

TR 12c/24t with a new name seems to show up with a name TR 1920. This should put a final nail in the already buried fake news coffin of the "leakded" 9 TR SKUs that even TPU said are real because AMD "announced" them. Still no trace of the mysterious and imaginary 10 & 14-core TR.

Source: Videocardz

 
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