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a quarry about >32nm processors

post #1 of 14
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I have looked all over internet and found out people are talking how fragile new 32nm(basically intel) processor are . They a i3 540 can't always sustain(6-7months) a above 4.2ghz oc(@Vcore 1.4V) . In anandtech guys are saying this is because the wafer is thinner in 32nm process . Is it going to be a inherent feature in 32nm(like bulldozer and all) .
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post #2 of 14
^ check your spelling next time xD
But indeed intresting
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post #3 of 14
First - don't believe Anandtech.

Secondly, yes, they don't need as much voltage because, essentially, the wires are smaller, which leads to less resistance. That leads to it also being cooler.

Who ever runs them at 45nm CPU voltages and then calls them fragile shouldn't be posting CPU reviews. Because that isn't how it works.

If you run them at their advertised voltages they will last just as long as a 45nm CPU, 10-20 years. For instance, the MAX safe voltage for a Sandy is like 1.5 volts, but for 45nm chips it can be all the way up to 1.55 volts.

EDIT: I think I should justify all this voltage talk. Te reason I am going into this so much is because a Clarkdale (i3) is more of a low end CPU and not really meant to be overclocked at all. So no wonder it doesn't last long at 4.2GHz, the voltage it would need to do that would be too much for it. Also, that was a new architecture, where as Sandy bridge is a refined 32nm architecture and will last longer.
Edited by snelan - 7/30/11 at 6:05pm
    
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post #4 of 14
Hmm, Have not at all heard of this before, I will look it up and get back to you.

EDIT : Found nothing, And like post above me, Don't believe anandtech
Edited by AMDrocks - 7/30/11 at 6:07pm
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post #5 of 14
If that had any truth to it, we would have heard something about the 980X, as it ended up being Intel's best selling Extreme cpu.

Plus I had one for over a year (980X), and put it trough the ringer, and it's still overclocked and running strong (folding).
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post #6 of 14
Damn Intel is stealing our nanometers.
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post #7 of 14
Not sure if serious...
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post #8 of 14
Well, Intel isn't know for there fare play, when it comes to business practices.

I don't think I'd say stolen! lol
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post #9 of 14
Quote:
Originally Posted by Pariah1947 View Post
Damn Intel is stealing our nanometers.
One Picometer at a time!

On topic:

I've read the opposite, that the 32nm will last longer with an overclock than a 45nm. I think it's due to power gating and the use of less voltages, and in SB case: the maturity of the architecture.

Have you found any other sources with the opinion? It would be an interesting read; I'll read the anand one to see why they think a thinner substrate with thinner wires is less sturdy.
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post #10 of 14
Quote:
Originally Posted by Pariah1947 View Post
Damn Intel is stealing our nanometers.
lol, I see what you did there.
    
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