AMD Carrizo APU Details Leaked

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jpiniero

Lifer
Oct 1, 2010
14,842
5,457
136
I remain unconvinced this is actually coming out. It's more likely this was planned but was cancelled during one of the job cuts... hence the roadmaps showing nothing past Warsaw. Can AMD really afford to spend money on an enthusiast part that no OEM would touch?
 

NostaSeronx

Diamond Member
Sep 18, 2011
3,689
1,224
136
so the enthusiast is still a business or rather a workstation cpu?
Workstation, not on par with MCM Interlagos/Abu Dhabi but more on par with Valencia/Zurich/Seoul/Delhi and MCM Warsaw.
what clockspeed?
My guesses:

For ~100W;
16c - 2.5 GHz Base / 2.7 GHz P1 / 3.0 GHz P0
12c - 2.8 GHz Base / 3.0 GHz P1 / 3.3 GHz P0

For ~65W;
16c - 2.0 GHz Base / 2.2 GHz P1 / 2.5 GHz P0
12c - 2.3 GHz Base / 2.5 GHz P1 / 2.8 GHz P0

For ~220W;
16c - 3.2 GHz Base / 3.4 GHz P1 / 3.7 GHz P0
12c - 3.5 GHz Base / 3.7 GHz P1 / 4 GHz P0
It's more likely this was planned but was cancelled during one of the job cuts... hence the roadmaps showing nothing past Warsaw.
http://www.anandtech.com/show/6751/amd-reiterates-2013-gpu-plans-sea-islands-beyond
http://www.anandtech.com/show/7369/amd-announces-next-generation-r7-and-r9-video-cards

Roadmaps didn't show the R9/R7 series.

Zambezi -> October 12th, 2011 for Enthusiasts.
Vishera -> October 23rd, 2012 for Enthusiasts.
Centurion Vishera -> October 9th, 2013 for Enthusiasts. (Massive price drop in my opinion is the true retail)
Unknown 40h model -> October 2014 for Enthusiasts.

leaks/announcements/etc have popped up from April to August for all FX SKUs.
 
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NostaSeronx

Diamond Member
Sep 18, 2011
3,689
1,224
136
do you think this might work in place of a 8350 for a wide variety of tasks
It's dependent on the improvements.
DDR4(maybe?)
PCIe3
Fixed L3(not as slow compared 00h/02h)
Integrated Northbridge
Integrated Southbridge(maybe?)
bdver3 or bdver4
etc.
and what about overclocking
I'm putting down as good enough probably if you disabled cores you can get to 5 GHz easy.
 
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kapulek

Member
Oct 16, 2010
56
33
91
Basilisk is cancelled and was not an APU project but a Steamroller based server part/FX part. Basilisk equivalent on APU side is Kaveri, which already launched.

Gecko(8 module huge chip?) was to be a server part/FX part based on Excavator core but that one is ditched also. APU equivalent is already known to be Carrizo. Excavator is supposed to bring more threads per module capability, some form of CMT/SMT hybrid (although Bulldozer already has it since FP unit is SMT) - so 4 threads per dual "core" module. Oh and AVX2+BMI2 capability.
Can we expect 8-threaded 65W Carrizo in H1 2015?
 

inf64

Diamond Member
Mar 11, 2011
3,765
4,223
136
Can we expect 8-threaded 65W Carrizo in H1 2015?
I honestly don't know. But what I wrote in previous post is coming from a good source. I suppose it's possible but 65W would imply a lot lower clock speed than what we have even with Kaveri, so any supposed gains would be probably partially negated by lower clocks. Power efficiency will probably go up, which is always a good thing.

It's a shame that Excavator based server/FX parts are cancelled. They would be a lot more competitive with intel's product line than PD/SR could ever be.
 

mrmt

Diamond Member
Aug 18, 2012
3,974
0
76
It's a shame that Excavator based server/FX parts are cancelled. They would be a lot more competitive with intel's product line than PD/SR could ever be.

On servers Piledriver wasn't competitive against Sandy Bridge, and they are both 32nm chips (albeit from different foundries. Excavator would have to be competitive against Broadwell, and on top of that it would have to be competitive enough to the point of make up for the node difference (28nm vs 14nm).

I don't think the Excavator design could be that competitive, no matter how much efforts AMD has put on it. And given what we are seeing from Kabini parts, Globalfoundries 28nm seems very second class when compared to TSMC 28nm. That should also have added to AMD's pain.
 

NostaSeronx

Diamond Member
Sep 18, 2011
3,689
1,224
136
Excavator would have to be competitive against Broadwell, and on top of that it would have to be competitive enough to the point of make up for the node difference (28nm vs 14nm).

I don't think the Excavator design could be that competitive, no matter how much efforts AMD has put on it. And given what we are seeing from Kabini parts, Globalfoundries 28nm seems very second class when compared to TSMC 28nm. That should also have added to AMD's pain.
Excavator was going to be on 20nm GlobalFoundries and 20nm TSMC. Till someone on linkedin posted Carrizo was going to be on GF28A.


http://i.imgur.com/pUKMwol.png

If you check the two AMD R&D (Hyderabad & Bangalore) areas. You will notice heavy 20nm focus in the various linkedin and linkedin lookalikes.

Such as:

http://i.imgur.com/2pKI9cN.png

Google is being difficult but:
Jaguar port to 20nm TSMC/GF for Consoles/Tablets/Laptops.
Cortex-A57 at 20nm for Dense Server/Tablet.
 
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mrmt

Diamond Member
Aug 18, 2012
3,974
0
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Excavator was going to be on 20nm GlobalFoundries and 20nm TSMC. Till someone on linkedin posted Carrizo was going to be on GF28A.

I pretty much doubt that AMD would have designed their big core line for both TSMC and GLobalfoundries.

Excavator was inside their pipeline since 2011, and Globalfoundries roadmap at the time was very aggressive, plus Globalfoundries had an AMD-specific process in R&D pipeline until the end of 2012. That process is probably the 20nm the guys are referencing in their linkedin, which should have been based in IBM 22nm SOI process.

If anything, fielding this product on two different foundries would have complicated things immensely, because we would be talking about split in two an order volume that wasn't too big to start with, and AMD wouldn't get all the benefits with TSMC of whatever R&D they were paying Globalfoundries to make.
 

NTMBK

Lifer
Nov 14, 2011
10,269
5,134
136
I pretty much doubt that AMD would have designed their big core line for both TSMC and GLobalfoundries.

Excavator was inside their pipeline since 2011, and Globalfoundries roadmap at the time was very aggressive, plus Globalfoundries had an AMD-specific process in R&D pipeline until the end of 2012. That process is probably the 20nm the guys are referencing in their linkedin, which should have been based in IBM 22nm SOI process.

If anything, fielding this product on two different foundries would have complicated things immensely, because we would be talking about split in two an order volume that wasn't too big to start with, and AMD wouldn't get all the benefits with TSMC of whatever R&D they were paying Globalfoundries to make.

AMD has been pushing automated tools for CPUs more in recent years, which should in theory lower the costs of a port. Though I agree it's pretty unlikely for such a low volume part. They could justify porting Kabini because it piggybacked on the work done to port the console chips.
 

mrmt

Diamond Member
Aug 18, 2012
3,974
0
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AMD has been pushing automated tools for CPUs more in recent years, which should in theory lower the costs of a port. Though I agree it's pretty unlikely for such a low volume part. They could justify porting Kabini because it piggybacked on the work done to port the console chips.

Kabini wasn't backported to Globalfoundries because of a sound business decision. The cat family was supposed to be with Globalfoundries since Krishna and Wichita, and it was only because of Globalfoundries inability to deliver a functional 28nm node that stuck with TSMC for the cat products.

After this turn of events, the cat family was supposed to stay with TSMC, but after the 2012 WSA amendment, they were forced to backport Kabini and Jaguar back to Globalfoundries.
 

NTMBK

Lifer
Nov 14, 2011
10,269
5,134
136
Kabini wasn't backported to Globalfoundries because of a sound business decision. The cat family was supposed to be with Globalfoundries since Krishna and Wichita, and it was only because of Globalfoundries inability to deliver a functional 28nm node that stuck with TSMC for the cat products.

After this turn of events, the cat family was supposed to stay with TSMC, but after the 2012 WSA amendment, they were forced to backport Kabini and Jaguar back to Globalfoundries.

Or alternatively, they chose to port Kabini and the console APUs to GlobalFoundries to free up more TSMC wafers for GPUs. We have just as much evidence to support either hypothesis.
 

mrmt

Diamond Member
Aug 18, 2012
3,974
0
76
Or alternatively, they chose to port Kabini and the console APUs to GlobalFoundries to free up more TSMC wafers for GPUs. We have just as much evidence to support either hypothesis.

GPU is FCF breakeven and console apus has too small FCF. The cat core is where AMD is making money.

If AMD were to pick a product line to move to a bleeding edge node, why would they pick the worst of the three?
 

Ajay

Lifer
Jan 8, 2001
16,094
8,106
136
Kabini wasn't backported to Globalfoundries because of a sound business decision. The cat family was supposed to be with Globalfoundries since Krishna and Wichita, and it was only because of Globalfoundries inability to deliver a functional 28nm node that stuck with TSMC for the cat products.

After this turn of events, the cat family was supposed to stay with TSMC, but after the 2012 WSA amendment, they were forced to backport Kabini and Jaguar back to Globalfoundries.

The WSA should just be renamed the "Millstone Of Death" ^_^
 

NostaSeronx

Diamond Member
Sep 18, 2011
3,689
1,224
136
20nm is also supposed to bring a new interconnect that would replace Garlic, Onion, Onion plus.

The new interconnect connects the;
- CPU
- GPU
- TruAudio DSP
- Voltage Regulation DSP?
- North Bridge
- South Bridge

to System Memory.

Carrizo should have all of the above on die even though it is 28nm. Whether it uses Garlic and Onion or the new Interconnect, Carrizo will be a surprise.
 
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krumme

Diamond Member
Oct 9, 2009
5,956
1,595
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GPU is FCF breakeven and console apus has too small FCF. The cat core is where AMD is making money.

If AMD were to pick a product line to move to a bleeding edge node, why would they pick the worst of the three?

As a sidenode. It could be a very good compettitive edge to be able to use both gf and tsmc for your jaguar arch. But the moment you have a wsa its exactly the oposite. Its just a burden because you can not use it to put pressure on either gf nor tsmc. Gaaa. The only upside is delivery security and risk diversion here. And ofcource its of utmost importance for the consoles because of game sales.

I am pretty sure amd have to port kabini and the consoles because i think they will have problems fullfilling it otherwise. ?
 

mrmt

Diamond Member
Aug 18, 2012
3,974
0
76
Gaaa. The only upside is delivery security and risk diversion here. And ofcource its of utmost importance for the consoles because of game sales.

Delivery security? Risk diversion? It's quite the opposite. AMD is tied to whatever glf is able to delivery. In fact, the wsa is worsening the risks here.

Ed: AMD doesn't have all the benefits of a tight integration between foundry and design team, but bear all the risks of being tied to a single foundry partner.
 
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krumme

Diamond Member
Oct 9, 2009
5,956
1,595
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Delivery security? Risk diversion? It's quite the opposite. AMD is tied to whatever glf is able to delivery. In fact, tge wsa is worsening the risks here.

In comparison to the free choice. But they dont have that.

I am pretty sure sony and ms demanded the console soc was made on tsmc. Gf is utterly unreliable. But when it is up and running tsmc and gf is in some ways less risk than tsmc alone if we talk major risk like earthquake terrorist and bigger force majeure kind of risk.

But yeaa whatever its a insignificant issue. The wsa is a huge stone around the neck on amd and will constantly keep them down with the current ownership.
 

Fjodor2001

Diamond Member
Feb 6, 2010
3,938
408
126
New details leaked on the mobile version of the AMD Carrizo APU:

WCCFTech:
http://wccftech.com/amd-carrizo-apu...ft-15w-tdp-4-x86-excavator-512-gcn-cores-soc/

Original source is Chinese VR-Zone:
http://chinese.vr-zone.com/121197/no-ondie-stack-ram-amd-carrizo-soc-structure-shown-07162014/





Some highlights:

* 30% CPU performance increase at only 15W power input.
* AMD will add AVX2, BMI2, MOVBE and RDRAND support to the instruction set which brings the extension feature set close to Intel’s Haswell.
* True SoC design, no need or separate FCH.
* Memory controller allow for Dual Channel DDR3 memory rated at 2133 MHz.

No info on Stacked DRAM though, but that might only be used in the desktop Carrizo models.
 

NostaSeronx

Diamond Member
Sep 18, 2011
3,689
1,224
136
There was some benchmarks and HBM is apparently better and more efficient than WIO and WIO2. So, there is no limitation of mobile Carrizo not having HBM. If the desktop part happens to have HBM.

HBM is out now and is supported in 2.5D/3D TSV at 20-nm and onwards for GlobalFoundries. While at TSMC it is supported in 2.5D TSV at 20-nm and 3D TSV at 16-nm.

WIO/WIO2 gives 1 GB to 2 GB for 12.8 GB/s to 51.2 GB/s.
HBM gives 1 GB for 128 GB/s. 2.5D HBM in mobile is not limited to the 2-Hi Stack from WIO2.

From SK Hynix's PR from the HBM Symposium;
Approximately 100 people from 20 major clients and partners who are leading relevant industries participated in the symposium to show their attention to the Company’s HBM technology. With this symposium, the Company is looking forward to strengthening its cooperation with clients of various applications to expand the HBM ecosystem.
20 clients of SK Hynix are/were/is interested in HBM.
 
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