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AMD "Orleans" Die Shot
Before there was K8L, there was Rev G

AMD has brought us Revision F and talked a bit about K8L, but what of the processor gap between AM2 and K8L?  AMD's intermediate 65nm SOI stepping stone is Revision G.  The company has taken substantial steps over the last few months to convert Fab 36 to 65nm SOI production, and the company has also announced that Chartered Semiconductor will act as spillover production for 65nm CPUs. Soon, AMD will start putting these resources to use with the second generation DDR2 CPUs.

The transition from AMD's Revision D K8 processors to Revision E K8 was essentially the transition from 130nm die process to 90nm SOI with the addition of SSE3.  The progression Revision E to F was then only the addition of DDR2 memory support to the K8 memory controller, as well as the integration of Pacifica virtual technology.  Processor revisions, for AMD, come in very small, focused increments -- and the next one for the company is the shift from 90nm SOI to 65nm SOI.  Like the progression from Revision D to Revision E, Revision F to Revision G will not require any socket changes. 
AMD's first desktop Revision G core, Brisbane, showed up on AMD's roadmaps just a few weeks agoBrisbane, like Windsor, does not have two separate core distinctions for half-cache processors like with Toledo/Manchester.  This processor family will come in two varieties; one with 2x1MB L2 cache and one with 2x512KB L2 cache.

AMD 65nm Desktop Processor Roadmap 2006
L2 Cache
Launch Date
Athlon 64 4800+
Athlon 64 4600+
Athlon 64 4400+
Athlon 64 4200+

is a massively ambitious core.  The Revision E Socket 939 platform consisted of San Diego, two versions of Toledo, Venus, Denmark and Venice.  Yesterday AMD announced the Windsor dual-core and Orleans single-core desktop processors with the Santa Ana dual-core processor on the way.  When Brisbane is announced later this year, all of these processor families will effectively take the backseat to Brisbane cores. 

AMD has not announced other Revision G processors specifics yet, although 65nm Sempron processors, dubbed Sparta, will replace 90nm SOI Manila processors that were just announced yesterday.  Do not expect a simultaneous launch of Sparta and Brisbane, as the Brisbane components that are expected to ship this December are low volume productions.

Revision G is not limited to just the desktop either.  Tyler and Sherman are AMD's upcoming Revision G 65nm SOI successors to the recently announced Taylor and Keene Socket S1 DDR2 Turions and Semprons.  AMD's roadmaps have revealed that there will not be a 65nm successor to Trinidad nor Richmond, as the Energy Efficient Sparta and Brisbane processors will more or less fill the gap between Turion and Athlon/Sempron processors for DTR notebooks. These Revision G processors will not receive a HyperTransport frequency bump.

AMD has been hesitant to list TDP information for Brisbane, although AMD's most recent partner roadmap reveals that Tyler and Sherman will have the same TDP envelopes as Taylor and Keene; 35W and 25W respectively.

Deerhound, the Revision G successor to Santa Rosa and Santa Ana, is the only server core on the long-term AMD roadmaps.  AMD will reduce all six 90nm Opteron cores into just two with the Santa Rosa and Santa Ana -- Santa Rosa will be the unified Socket F dual-core Opteron while Santa Ana will become the Socket AM2 dual-core Opteron specifically for 1U servers and high end workstations. With Revision G, AMD goes one step further with four cores on the Deerhound, though the features on Deerhound are virtually identical to Santa Rosa with the exception of the die shrink.  K8L processors will then replace Deerhound in 2008.

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Ace up their sleeve?
By Stele on 5/24/2006 6:59:14 AM , Rating: 4
Anand closed his AM2 review on Anandtech by hinting that AMD still had one more trick up their sleeve before the year's out. I wonder if this is it. As always, eagerly looking forward to launch and benchmarks :P

65nm will probably bring about the usual benefits with respect to heat dissipation/TDP, overall power consumption, overclockability and yield (once the the fab ramps up).

RE: Ace up their sleeve?
By KristopherKubicki on 5/24/2006 7:03:58 AM , Rating: 2
I haven't talked to Anand in a while, but I'm pretty sure the trick he is referring to is Brisbane. At least, that's all i see on the roadmaps.

RE: Ace up their sleeve?
By Zoomer on 5/24/2006 7:28:52 AM , Rating: 1
12/06 ?

Will we really see it in june? Thought it wasn't due till the end of the year.

RE: Ace up their sleeve?
By Xavian on 5/24/2006 7:37:42 AM , Rating: 2
December 06 not 12th June 06 :p

Brisbane certainly seems interesting.

RE: Ace up their sleeve?
By George Powell on 5/25/2006 3:28:42 AM , Rating: 2
International date standards are poor.

Depending on how you read 12/06 it could mean:

December 2006, 6th December, 12th June.

I would much rather the use of letters to designate month and the number before being the day and the number after being the year. It would just 'make sense'

RE: Ace up their sleeve?
By xdrol on 5/28/2006 11:22:44 AM , Rating: 2
There are no real date standards, everyone writes theese numbers in order of his/her own taste :)

For me, your way does not make any sense, because the most "important" part of a date is the year, so it should come first, the second is the month, third is the day.

But if all just wrote month with letters, and years with 4 digits, there would be no more confusion.

RE: Ace up their sleeve?
By Soviet Robot on 5/29/2006 12:05:21 AM , Rating: 2
Just stick to abbreviations for months.

RE: Ace up their sleeve?
By wdomburg on 7/17/2006 11:24:21 PM , Rating: 2
ISO 8601. Learn it, live it, love it. :)

RE: Ace up their sleeve?
By Viditor on 5/24/2006 8:23:01 AM , Rating: 2
But what about "Bulldozer"?
And what is the name for K8L Dual core (and when is it being released)?

All I have been able to find so far is Charlie D's stuff at the Inq...

RE: Ace up their sleeve?
By defter on 5/24/06, Rating: 0
RE: Ace up their sleeve?
By ktgktg on 5/24/2006 9:01:32 AM , Rating: 2
I think Anand was talking about the new Opterons, which "won't affect the majority of people" and is "high end".

BTW, last time I checked revision D was the first 90 nm, not E. Winchester, Oakville, remember?

RE: Ace up their sleeve?
By dgingeri on 5/24/2006 11:09:01 AM , Rating: 2
I think Anand was talking about the new Opterons, which "won't affect the majority of people" and is "high end".

BTW, last time I checked revision D was the first 90 nm, not E. Winchester, Oakville, remember?

Winchester was E1, not D. the ones we now know and love on socket 939, Toledo, San Diego, etc., are E4-E6. I think D series was just an updated Newcastle, but I don't remember for sure.

RE: Ace up their sleeve?
By Spoelie on 5/24/2006 11:17:34 AM , Rating: 2
A hammer, B newcastle, C solved mem controller issues, D winchester (really, check cpuid screenshots around the web), E were the venice type processor, with E6 adding new mem dividers for faster DDR. I have a venice with E3 stepping and one with E6. The later is also the better TDP, checkable by tcasemax

RE: Ace up their sleeve?
By Jeeves on 5/24/2006 12:41:23 PM , Rating: 3
Actually, an A-Stepping never made it to retail, IIRC. The B-Stepping were the earliest Opterons (and Sledgehammers), C0 Clawhammers, CG Clawhammers and Newcastles, D0 Winchester and E3/E6 Venice ...

BTW, did AMD rename their processors? Should be Athlon 64 X2 if it's Dual Core, right?

RE: Ace up their sleeve?
By Spoelie on 5/24/2006 5:15:18 PM , Rating: 2
you're right, I realised I had about everything before D wrong after posting but it's kinda hard to edit :)

By unparalleled intellect on 5/24/2006 11:14:13 AM , Rating: 2
When he says, high end, I would assume that he's talking about overclockers who have the equipment to pursue such ventures.

RE: Ace up their sleeve?
By Googer on 6/1/2006 1:59:08 AM , Rating: 2
"Can anyone tell me what MobileMe is supposed to do?... So why the f*** doesn't it do that?" -- Steve Jobs
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