AMD Tri-core Processor Details for 2008 and 2009
December 4, 2007 2:56 AM
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AMD has something for everyone with its new tri-core processors, but quite a lot is still marked "tentative"
AMD picked up big headlines
the day before Intel's Fall Developer Forum
with the announcement of its upcoming tri-core processors.
AMD's original release did not specify if this tri-core processor, code named
, would be a totally new processor or merely a stripped-down version of
. The answer, it appears, is both.
In an embargoed corporate roadmap forwarded to
, details of these new triple-core oddities came to light.
The first triple-core processor,
, is essentially a core-disabled version of the
quad-core processor. It includes a full
package, including the 2MB of shared L3 cache, with one core disabled.
, which will eventually herald the AMD Phenom 8000-product name, is scheduled to launch in February 2008 with mass availability in March. AMD representatives, speaking on conditions of anonymity, confirmed the initial 2.4 GHz Phenom 8700 and 2.3 GHz Phenom 8600 tri-core processors will launch with a 95W thermal envelope.
In late 2008, AMD will shift almost all of its 65nm quad-core offerings to 45nm. AMD will then follow up these initial quad-core offerings with 45nm dual-core and triple-core processors in 2009.
The first of these 45nm tri-core processors, codenamed
, will launch with DDR2 and DDR3 support. However, AMD guidance also details that
will ship with two different varieties: one with a shared L3 cache, another without. All 45nm quad-core AMD processors incorporate shared L3 cache, with
the exception of the
AMD guidance goes on to state that all mainstream Phenom quad-core processors, both with shared L3 cache (
) and without (
), shipped in 2009 will feature DDR3 exclusively.
, on the other hand, will feature a mix of DDR2 and DDR3 support.
Unfortunately the answers for tri-core only raise further questions. While
has a unique codename, it seems to be a combination of cut-down
quad-core processors. The logical conclusion would be that
is merely excess or defective
processors from the 2008 launch.
Yet AMD's roadmap goes on to detail one more chip:
which has always been described by AMD as a dual-core version of
, will make its debut with variable shared L3 cache and a mix of DDR2 and DDR3 support. Could it be that
is a core-disabled version of
, which is already likely a core-disabled version of
One AMD representative declined to comment on these 45nm processors, stating that 2009 processor launches and specifications are still "tentitive."
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RE: Is this the road to profitability
12/4/2007 9:19:13 AM
And what "basic function" is not working on these "buggy" CPUs exactly?
A buggy CPU? Your points seem at least interesting but using the term "buggy" for a central processing unit is quite far fetched if not implying disaster.
I love these slippery slope "therefore go with these guys" pseudo ad campaigns.
I am sure these CPUs will function perfectly and be stable for their intended purpose. As always price/performance should be your primary consideration for you to make your "intelligent choice".
RE: Is this the road to profitability
12/4/2007 9:35:24 AM
your a few hours behind so it's forgiven:
AMD's not shipping their barcelona's anymore due to a TLB error. or so the dutch translation reads where i've read it, that was the source. so now their entire product line is grounded, not only the 2,4 ghz, because they all have it.
and even with a stable 2,4ghz, it's not better then an intel yet. and by the time it will be nehalem will be here.
i'm not a fanboy... i buy whichever processor is the best at the moment. i've had a pentium 3, pentium 4 (northwood, 2,53ghz. it was better then the xp's at the time), ahtlon 64 x2 and if i'd buy a new computer right now, it would be an intel. i simply think amd has gone "a bridge too far" with buying ati, releasing a new architecture too soon on a still not mature process (they aren't as good as intel in transitioning manufacturing processes, they need more time) and hoping for high yields.
intel's steaming ahead right now also pumping billions and billions into everything because they can easily afford to. AMD has said they are committed to intel's release scheme of ever increasing complex processors on ever more expensive node processes. they'd have only 2 years to get their R&D back on the previous generation of both.
if AMD is wise right now, they'll slow the hell down and fall back into the underdog position again. they will always have a place in the CPU market, and intel will themselves grind to an halt. their current pace is sure to win them a big market dominance but with the costs going up exponentially to keep moore's law in effect, AMD will be able to catch up eventually. but not if they run themselves aground like this.
RE: Is this the road to profitability
12/4/2007 9:32:55 PM
Thank you for stepping in.
From what I have heard, AMD is in big trouble because they cannot make a reliable chip. AMD's partners have lost a lot of confidence in the AMD management team. It will not be until 2H08 until Barcelona is fully reworked to become Barcelona+, B+, and ready for mass adoption.
AMD did make a very solid design prototype with Barcelona, but years later than they should have. Trying to rapidly patch a design prototype and then rush it into production produces what you see on the market: buggy chips that do not work well. Chips that are so bad you see the stop shipment. Do not be surprised at all to see AMD issuing a recall for all Barcelona chips and giving customers a free replacement. If AMD doesn't do it, expect a mass exodus to Intel.
The problem with the recall is that the motherboard specs also changed based on Barcelona changes. There are quite a few motherboards out there that will not work with all the revisions of Barcelona. This fully messed up compatibility is why you do not see a Tier 1 vendor with mainstream availability of Barcelona-based products.
AMD will be smaller and humbler 8 to 10 months from now when they finally get B+ shipping in volume as the reliable chip it should have been today. But at least there will customer choice and two reasonably decent alternatives in the market.
If the cards play out, AMD may even be part of a much larger company by then, a company more capable of doing the large scale chip design work that AMD is attempting to do. AMD would also benefit from a management team that is more capable of execution vs. focusing on things that don't matter (i.e. dual dual-core vs. native quad-core).
Native quad-core will not matter much for another 10 years, until all existing operating systems have been rewritten for greater parallelism.
Barcelona's design is a case study in mistiming the market.
"I f***ing cannot play Halo 2 multiplayer. I cannot do it." -- Bungie Technical Lead Chris Butcher
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