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AMD's 65nm Process CPU's Leak ?

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#1
AMD seems to be having problems with leakage in their new processors a common problem with shrinking components where electricity can literally burrow out of a semiconductor and even blow entire circuits. A guy over at Investors Hub named wbmw located the problem in AMD's thermal design guide.

Interesting AMD 65nm Process Variation Analysis. I was looking through AMD's thermal design guide, and found some interesting results. If you look at the IDD current of their C1 states, you get an idea of the leakage at various voltages. I looked at their current CZ (F3 stepping, 90nm) and their DD (G0 stepping, 65nm) parts at the max P-state (1.2-1.3V for 65W TDP parts and 1.3-1.35V for 89W TDP parts) and min P-state (1.1V for all products). I pay special attention to their 3800+ part, which was their downbinned part for 90nm (therefore, highest leakage), and their higher bin parts, which presumably require binning for low leakage in order to fit in the power envelopes.
Note that with the new price cuts, AMD's new 90nm downbin is a 4200+ part, which is not listed in this already outdated thermal guide. For 65nm, their downbinned part was the 3600+ part. Today, it is 4000+. Note that you can see the part name in the ID Tag.

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d44ve

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#2
I dont know about how reliable this is....... this was posted on an Investors website.... which that site deals with penny stocks for the most part.

And not only that, but it was posted in the intel forum
 
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#3
so its better to buy the higher number processors than lower number? hmm
 
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#4
If this is true....interesting. If not....ehh AMD has a good 65 nm fab process. However I think I've seen things on the web about leakage, but maybe it was this article.
 
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#5
All news are rumors prior to verification by the company itself ( whether its AMD or others ). And i doubt that this could surface in an AMD forum for obvious reasons.
 

d44ve

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#6
All news are rumors prior to verification by the company itself ( whether its AMD or others ). And i doubt that this could surface in an AMD forum for obvious reasons.


I am sorry.. I re read my comment, and it kind of came off like I was criticizing you.

I wasn't trying to do that, I was questioning the validity of the poster and where it was posted at.

Sorry
 
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#7
I didn't take it as criticizing d44ve its ok :)
 
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#8
how bad is that compared to similarly clocked core 2 duo intels I wonder?
 

WarEagleAU

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#9
almost all cpus have voltage leak, this isnt new.