Speculation: Ryzen 3000 series

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Hans de Vries

Senior member
May 2, 2008
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www.chip-architect.com
If they do a new APU, they will certainly use Navi ... Navi is a 7nm design == no graphics in the IOC.

Navi I would think so as well. The leaked roadmap had up to 8 Zen2 cores and up to 20 CU.

This would be roughly 230 mm2 for a single die or 145 mm2 using the Zen2 chiplet.

It would require a single HBM2e stack in the package (AM4 or a new FP6 mobile package)

No silicon imposer needed with TSMC InFO-MS technology, using a 2um organic substrate instead. Like in the image below.

https://pc.watch.impress.co.jp/docs/news/1193327.html

 

Vattila

Senior member
Oct 22, 2004
805
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no consumer APU will happen with HBM in at least 5 years.

Nah. That would be negligence or total failure by AMD to bring a very appealing solution to market. It is blatantly obvious that a small footprint System-in-Package with low-power and high-performance CPU+GPU+RAM would be an excellent solution for premium thin-and-light devices, even if the (initial) production cost is high. I've always had a hunch that Intel's cooperation with AMD on Kaby Lake-G was a response to AMD's obvious longterm plans. With 7nm Zen 2 having premium performance-per-watt and 7nm Navi extending the integrated graphics lead, AMD should finally have best-in-class mobile SKUs that appeal to the OEMs — even the top dogs, i.e. Apple and Microsoft.

For further discussion on this topic:

Speculation: AMD's APU with HBM
 

lobz

Platinum Member
Feb 10, 2017
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Nah. That would be negligence or total failure by AMD to bring a very appealing solution to market. It is blatantly obvious that a small footprint System-in-Package with low-power and high-performance CPU+GPU+RAM would be an excellent solution for premium thin-and-light devices, even if the (initial) production cost is high. I've always had a hunch that Intel's cooperation with AMD on Kaby Lake-G was a response to AMD's obvious longterm plans. With 7nm Zen 2 having premium performance-per-watt and 7nm Navi extending the integrated graphics lead, AMD should finally have best-in-class mobile SKUs that appeal to the OEMs — even the top dogs, i.e. Apple and Microsoft.

For further discussion on this topic:

Speculation: AMD's APU with HBM
You're arguing quite cool, so I didn't hit the disagree button, but I still disagree completely.
 
Reactions: Vattila

Atari2600

Golden Member
Nov 22, 2016
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guys... please understand, that no consumer APU will happen with HBM in at least 5 years. 100%

What is your reasoning for that if you don't mind?



I am wondering if HBM would be in any way useful as a L4 cache run off the IO chip [for server/workstation CPUs]. Maybe latency wouldn't be different enough from DRAM to make it worthwhile.

But, if it were, then that basic design could be copied across to the APU, giving you:
- CPU chiplet
- GPU chiplet
- I/O chip
- HBM stacks

All communication is through the I/O die, which can feed the GPU from HBM (remember the high bandwidth cache controller in... erm Vega was it?)
 
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NostaSeronx

Diamond Member
Sep 18, 2011
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Costs per GB: HBM2e -> DDR4 -> HBM2 -> GDDR5 -> GDDR5X -> GDDR6
fyi.

HBM3 will probably split in two; double stack(components below DRAM) and single stack(components beside DRAM). Either option with HBM3 adds would place HBM3 below salvaged/chinese DDR3.
 

Vattila

Senior member
Oct 22, 2004
805
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You're arguing quite cool, so I didn't hit the disagree button, but I still disagree completely.

Well. I guess you actually agree with me, i.e. that if we do not get an APU with HBM from AMD, then they have abjectly failed to bring a good solution to market, due to being unable to drive down the cost to a level fit for the consumer market — assuming that cost is your primary argument. The advantages to footprint, performance and power (in particular, savings in the memory interface) are hard to argue against.

Where we seemingly disagree is that you have no belief in AMD and partners to drive down the cost within the next 5 years, while I expect AMD to do so. I think they will have fallen short of target if not. I take it that HBM developer Joe Macri's aim at AMD was (and is) to see this technology adopted in the mainstream sooner than later. Hopefully, cost will come down to push this innovation. As @NostaSeronx points out, low-cost HBM is in development.


https://www.amd.com/en/technologies/hbm
 
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IEC

Elite Member
Super Moderator
Jun 10, 2004
14,354
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Lisa Su has explicitly said that part of AMD's refocusing was a shift to high performance high margin parts.

I don't think a cheap APU is a priority. At all.

Also, wow at Microcenter clearing out 2000-series parts. Ryzen 2700X for $199, wow. Someone knows what the 3000 series is bringing...
 

Atari2600

Golden Member
Nov 22, 2016
1,409
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I don't think a cheap APU is a priority. At all.

-> It would be the halo APU product which would go into (relatively) high margin ultrabooks/laptops.
-> The HBM on socket as an L4 cache may (to be confirmed) have significant advantages for workstation/server applications. So the overarching implementation cost would be shouldered mostly by professional market applications.
 

Stryke1983

Member
Jan 1, 2016
176
268
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Lisa Su has explicitly said that part of AMD's refocusing was a shift to high performance high margin parts.

I don't think a cheap APU is a priority. At all.

Also, wow at Microcenter clearing out 2000-series parts. Ryzen 2700X for $199, wow. Someone knows what the 3000 series is bringing...

Yep, just seen 2600x for $140 as well. I'm seriously wondering whether to just save myself $130 and go 2700x instead of 3700x. Especially when the primary use is gaming at 3440x1440.
 

beginner99

Diamond Member
Jun 2, 2009
5,223
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Well. I guess you actually agree with me, i.e. that if we do not get an APU with HBM from AMD they have abjectly failed to bring a good solution to market, due to being unable to bring down the cost to a level fit for the consumer market — assuming that cost is your primary argument.

It's not AMDs fault, simply the fact that a large portion of users don't need that bandwidth and hence you don't have the volume to make hbm cheaper. Most people use laptops for easy stuff. That's also my gripe with "powerful" iGPUs. They are overpowered (use too much die space, cost too much) for most users while lacking bandwidth and power for the people that actually need GPU power.
 

Vattila

Senior member
Oct 22, 2004
805
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It's not AMDs fault, simply the fact that a large portion of users don't need that bandwidth

One of the ways low-cost HBM is made cheaper is by reducing the number of through-silicon-vias (TSVs). These are the vertical interface channels that are tricky to manufacture, probably have high failure rates, and drive up cost. By reducing the number of vias, you increase manufacturability, but you sacrifice the width of the interface and hence some bandwidth.
 

lobz

Platinum Member
Feb 10, 2017
2,057
2,856
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Well. I guess you actually agree with me, i.e. that if we do not get an APU with HBM from AMD they have abjectly failed to bring a good solution to market, due to being unable to drive down the cost to a level fit for the consumer market — assuming that cost is your primary argument. The advantages to footprint, performance and power (in particular, savings in the memory interface) are hard to argue against.

Where we seemingly disagree is that you have no belief in AMD and partners to drive down the cost within the next 5 years, while I expect AMD to do so. I think they will have fallen short of target if not. I take it that HBM developer Joe Macri's aim at AMD was (and is) to see this technology adopted in the mainstream sooner than later. Hopefully, cost will come down to push this innovation. As @NostaSeronx points out, low-cost HBM is in development.


https://www.amd.com/en/technologies/hbm
You could see it that way, yes, however I think they've found much more lucrative things to do since that plan was formed in the first place - same with almost all RTG projects back then. If you remember, there were some projects echoing in the ether about mid-sized and a couple of bigger real APUs with HBM for HPC, but they were all cancelled, I think that IF may have proved to be good enough for the time being for bigger things, and for the very small consumer-budget APUs it is totally unnecessary at the moment, given intel's nonexistent threat. It could be a lot better of course, but it's way more than good enough for beating the shite out of intel (although they may have 1-2 quarters of low quantity laptop sales coupled with slightly better than Zen+ APU graphics with ICL till Renoir comes out). I'm glad you didn't get me wrong, because I am sad and disappointed about this, but I am totally sure that they won't release any consumer APUs with HBM in the foreseeable future.
May God and AMD prove me wrong!
 
Reactions: Vattila
Feb 4, 2009
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I’m starting to think inventory will be limited, weird how AMD never said anything about a pre order date, weird how they’ve still said nothing, weird how they haven’t even reinforced their much earlier claim that there will be inventory, weird how we are not seeing vendor employees leak inventory pictures. Admittedly that last part is still sort of early.
 

BigDaveX

Senior member
Jun 12, 2014
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I’m starting to think inventory will be limited, weird how AMD never said anything about a pre order date, weird how they’ve still said nothing, weird how they haven’t even reinforced their much earlier claim that there will be inventory, weird how we are not seeing vendor employees leak inventory pictures. Admittedly that last part is still sort of early.
To be fair, it's not like AMD haven't paper-launched CPUs before. And it's not like they wouldn't be able to get away with it, given that Intel appear to have nothing but a very slightly better-binned 9900K scheduled on the desktop for the rest of this year.
 

Stryke1983

Member
Jan 1, 2016
176
268
136
Save yourself more money and go for 3600 instead, as it is bound to be faster in games than 2700X.
I have been debating 6 vs 8 core. But considering how long I'm likely to keep it (I've been on my 2500K for eight years), I've been leaning toward the extra cores. Then again, when I'm keeping it for so long I come full circle and start thinking that splashing out the extra $130 for the newest generation is a tiny amount of money when it's spread over so long.
 
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