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AMD Beyond "Brisbane"

post #1 of 16
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Quote:
Quad-core, HyperTransport 3.0 and more

AMD is expected to release its 65nm products soon. Moving beyond the 65nm Brisbane die shrink and Windsor FX, AMD has a couple of other tricks up its sleeves. AMD plans to transition from its Cities core products to new Stars cores. This transition uses AMD’s new core naming scheme. While AMD has typically named its processor cores after cities, the new naming scheme uses star names.

The Stars family includes the upcoming Agena FX, Agena, Kuma, Rana and Spica cores. AMD will be introducing plenty of architectural changes with the upcoming Stars family. Stars family processors will switch over to AMD’s previously announced HyperTransport 3.0 architecture. While Stars family processors use the HyperTransport 3.0 protocol, it will be backwards compatible with HyperTransport 1.0 systems.

HyperTransport 3.0 is expected to provide twice the amount of bandwidth between the processor and chipset. It will also allow the processor and internal north bridge to operate at different frequencies as well. With HyperTransport 3.0, the north bridge can operate at 75% of the maximum clock frequency of the processor. AMD roadmaps claim the greater bandwidth of HyperTransport 3.0 is important for PCIe 2.0 and upcoming multi-GPU, integrated graphics and multiprocessor performance.

In addition to HyperTransport 3.0, Stars family processors feature a 128-bit floating point unit for each CPU core, DDR2-1066 support, SSE4A instructions and a split power plane. Split power planes allow the processor and internal north bridge to operate at different voltages and speeds. The advantages of split power planes are it allows the north bridge speed and voltage to never change during Cool’n’Quiet power saving measures. With split power planes the Stars processors require separate PLLs for the processor and internal north bridge.

Stars family processors will use socket AM2+, with the exception of the Agena FX. Nevertheless, Stars family processors will be backwards compatible on socket AM2 motherboards, though performance is sacrificed by falling back to HyperTransport 1.0. AMD’s socket AM2+ is not the expected socket AM3 though.

Beginning in Q3’2007 AMD is expected to release its first Stars quad-core processors. The new quad-core processors are based on AMD’s Agena and Agena FX cores. Targeting AMD’s 4x4 platform is the Agena FX core. Agena FX will only be available on Socket 1207+ and offer dual processor functionality. The vanilla Agena core will be available on single processor socket AM2+ platforms.

Agena FX and Agena based processors offer identical features. New to the Agena FX and Agena cores is a shared L3 cache. 2MB of L3 cache will be shared between all four processor cores. The L2 cache will be 2MB as well. Clock frequencies of 2.7 GHz to 2.9 GHz are initially expected. The HyperTransport 3.0 frequency for Agena FX and Agena cores is expected to be clocked at 4000 MHz. Agena FX and Agena core processors will be manufacturing using a 65nm process and carry 125W TDPs. The first Agena FX and Agena based processors are expected to arrive in Q3’2007.

AMD will be releasing new Kuma core dual-core processors in Q3’07 as well. The new Kuma core processors feature HyperTransport 3.0 clocked at 4000 MHz, 1MB of L2 cache and 2MB of shared L3 cache. Kuma processors are expected to arrive in 2.0 GHz to 2.9 GHz frequencies for socket AM2+. TDP for Kuma core processors is expected at 89W and 65W.

Single-core products won’t be left out of the Stars family either. AMD will release single-core Rana and Spica cores towards the end of 2007. Rana core processors will be replacing Orleans and Lima Athlon 64 single-core processors while Spica will be replacing single-core Venice Athlon 64 and Manilla Sempron processors. AMD’s roadmap doesn’t reveal too much on Rana and Spica. Nevertheless, Rana and Spica will feature HyperTransport 3.0 and socket AM2+ compatibility.
http://www.dailytech.com/article.aspx?newsid=4943

Q3? That is way too far way
    
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post #2 of 16
Ahh... Single Core lives on!!! I can't wait to nab one of them
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post #3 of 16
Stars? That's lame.
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post #4 of 16
I'm gettin a Rana as soon as it comes out.
    
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post #5 of 16
Quote:
Originally Posted by pow3rtr1p View Post
I'm gettin a Rana as soon as it comes out.
The Rana and the Spica...

I mean, what's the real difference? Isn't the Rana dual core not single?
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post #6 of 16
IMHO, I thought the Cities naming was awesome. Many names were fun to say (Toledo, Manchester). But stars are lame. AMD is having a lapse in 1337ness, so to say. Making chips not as good as its competitor, coming up with crappy naming schemes, buting ATI and pretending like they have been making GPUs all along, what's next? Another cheap shot at Intel?...
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post #7 of 16
Will AMD ever make a cpu at 3.0ghz or greater!?

(I know The FX-7x series will be clocked up to like 3.4ghz, but I'm actually glad to see AMD stick with single cores and try to make them run better.)
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post #8 of 16
Why are you guys excited about single core? Everything should be dual core from here on out. Rana and Spica will be budget CPU's.
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post #9 of 16
Quote:
Originally Posted by StepsAscend View Post
Why are you guys excited about single core? Everything should be dual core from here on out. Rana and Spica will be budget CPU's.
I feel like Intel is doing the same thing with cores today that they did with clock speeds 3 years ago. I don't want an 80 core cpu if i could get a dual core (or single) thats super fast. It's like spliting up the 12+volt rails on a PSU.
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post #10 of 16
Quote:
Originally Posted by Mootsfox View Post
Will AMD ever make a cpu at 3.0ghz or greater!?
The Opteron 156 is 3Ghz, you'll be hard pushed to find it for sale anywere.
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