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is 5 ghz the new 4ghz? -Sandy Bridge - Page 2

post #11 of 75
The OC3D chip was set to 1.6v just to get bench-stable without spending 3 days getting stable on the lowest voltage possible. Videos showed 4.7GHz @ 1.3v. I'm sure 300Mhz won't need a whole .3v.


Once they come out and OCers get their hands on them, we'll see what happens.
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post #12 of 75
I'm sure 4GHz will be a stock speed eventually, the 990x is rumored to have a stock speed of 3.6GHz
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post #13 of 75
Yes, I can't wait to see how these handle under various coolers... gonna test one with good o'le H50 and see how cool, fast, and lower Vcore I can get it.
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post #14 of 75
NH-D14 tops out at 65C 4.75GHz 1.35v
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post #15 of 75
I've been fairly concerned with this as well. I find it hard to believe these smaller chips are that much more resilient against voltage. Consider that Intel's 90nm chips were considered safe up to about 1.65v, their 65nm chips up to about 1.5v to 1.55v and their 45nm chips from 1.36v to 1.4v.

I can't help but believe these new 32nm chips will be even more delicate, and yet these review sites are pumping 1.5v+ through them and posting high clock speeds.
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post #16 of 75
Quote:
Originally Posted by kora04;11893852 
The OC3D chip was set to 1.6v just to get bench-stable without spending 3 days getting stable on the lowest voltage possible. Videos showed 4.7GHz @ 1.3v. I'm sure 300Mhz won't need a whole .3v.


Once they come out and OCers get their hands on them, we'll see what happens.

Excessive voltage and heat can also produce reduced performance.

We got another few days, then we'll know for sure.
    
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post #17 of 75
Thread Starter 
Quote:
Originally Posted by tehmaggot;11893926 
I can't help but believe these new 32nm chips will be even more delicate, and yet these review sites are pumping 1.5v+ through them and posting high clock speeds.

I thought so too.
    
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post #18 of 75
Check older Nehalem and Lynnfield reviews, they were all putting near or over 1.4V to get 4.0, the overclocking is a small part of the review and I would think their emphasis is on on benchmarking the product as it comes out of the package.

Voltage is one thing, but another is how much current these chips draw; take a resistor for example, applying a lot of voltage through very low resistance wire is not the same as applying the same voltage through a very high resistance wire. What I'm trying to get across is that until we know what Intel specs as the maximum allowable design specs it difficult to judge what is a "high" voltage and what is a "low voltage".
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post #19 of 75
5.7ghz is the highest you can physicly overclock the 2600k and 2500k and you can do it on air. Intel locked the multi to only go so high they dont want you getting 7ghz on LN2 I have a feeling they hate us OC'erz
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post #20 of 75
I think you're right.... remember when everyone was trying to hit 4.0GHz? But now it seems like every other OCN member has went above and beyond that xD
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