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AMD licenses new Z-RAM technology

post #1 of 52
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The people at AMD were so impressed by Innovative Silicon's first-generation Z-RAM technology that they decided to license it back in January. Now, almost a year later, AMD has come back for more and purchased a license for ISi's second-gen Z-RAM tech. Z-RAM, or zero capacitor RAM, is a type of capacitor-less embedded memory built on a silicon-on-insulator process. It can achieve significantly higher densities than the embedded SRAM memory typically found in processor caches.

According to EE Times, second-gen Z-RAM is expected to allow chips to store 5Mb (625KB) of data per square millimeter on a 65nm process. Using this technology, a 65nm processor could theoretically pack 10MB of cache in an area of just 16mm². For reference, 65nm Intel Core 2 Duo chips have a die area of 143mm², and going by Intel's die shots, around a third of that area is required to store 4MB of cache. Z-RAM's speed and power consumption are quite enticing, too. The second-gen tech clocks up to 400MHz and can draw as little as 10μW (0.00001W) per MHz.

AMD's plans for the tech are quite clear. In the ISi press release, AMD's Technology Development VP Craig Sander is quoted as saying, "The combination of density, power, and performance coupled with its ability to work with our standard manufacturing processes makes [Z-RAM] an extremely attractive option for use in our future microprocessors."
http://techreport.com/onearticle.x/11371
    
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post #2 of 52
sounds good, maybe thats there come back
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post #3 of 52
Quote:
Originally Posted by MADMAX22 View Post
sounds good, maybe thats there come back
Might be, but I see them having quad core's for the 4x4 or "quad fx" as some have been calling it. Then they'd have 8 cores compared to intel's 4 cores. They already have shown a native quad core w/65nm tech, time will only tell though.
post #4 of 52
Quote:
Originally Posted by accskyman View Post
Might be, but I see them having quad core's for the 4x4 or "quad fx" as some have been calling it. Then they'd have 8 cores compared to intel's 4 cores. They already have shown a native quad core w/65nm tech, time will only tell though.
Exactly But Also So want if they get more memory on the die I still think they need find a better why to mange it since from what i saw with it new quad FX it looking bad.
    
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post #5 of 52
ahh man lets not start this again, good find boredom, i think its cool idea and sounds like a improvement thats all, maybe combined with there die shrink it will help boost performance but who knows well find out eventually

thats if it even makes it into development
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post #6 of 52
K8L + 10Mb L2 cache = yummy
post #7 of 52
Quote:
Originally Posted by ELmo1989 View Post
Exactly But Also So want if they get more memory on the die I still think they need find a better why to mange it since from what i saw with it new quad FX it looking bad.
Well the bench marks compared to Intel's quad core weren't all that bad IMO, considering how much they dominated any a64 x2's/opteron dual cores with the duo's. Hopefully they start using this new X-Ram in their chip's and we'll see what it gets us.

Off topic somewhat, I'm glad to see the computer industry moving so quick, I can still remember pre 100mhz era- I was soo mad when my computer wouldn't run Diablo (66mhz requirement- mine was only 50- but I did have a whopping 16mb of ram.) LOL
post #8 of 52
Good find Boredom
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post #9 of 52
Yup good stuff, but it's fairly old news. I knew at least 6 months ago that AMD was going this route. The density, size and simplicity of this stuff will really help their future processors' TDP as well; these processors will run without HSF's with little optimization. Plus why not have 20 MB of L2 on a quad core part? The room is there; pile it on.
    
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post #10 of 52
How about cache...drives!
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