E6750 OC to 3.92Ghz on Air - Overclock.net

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post #1 of 21 Old 06-25-2007, 05:58 AM - Thread Starter
4.0ghz
 
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http://www.hothardware.com/articles/...review/?page=2

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This time around, however, our results were nothing short of spectacular. By bumping the processor's core voltage to 1.45v and increasing the front side bus speed via our Asus P5K Deluxe motherboard's BIOS, we were able to take the Core 2 Duo E6750 up from its default clock speed of 2.6GHz to an impressive 3.92GHz (multiplier=8x / Front Side Bus Frequency=490MHz. This was done using the stock Intel CPU cooler on an open-air test bench. At that speed, the CPU completed a Cinebench rendering pass in just 18 seconds and it blew past the Core 2 Extreme X6800 in SANDRA's Processor Arithmetic benchmark.
Not sure if anyone saw this on slashdot or not - pretty good news

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post #2 of 21 Old 06-25-2007, 06:25 AM
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on stock cooler?

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post #3 of 21 Old 06-25-2007, 06:27 AM
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The results are pretty inconsistent between the reviews. Techreport says it went 3.7GHz, Xbitlabs only 3.6, while both hitting FSB walls.

Anyway, the G0 stepping has potential, I think the quads are supposed to go G0 this summer. Q6600 G0 for 266$ not bad at all.

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techreport

Xbitlabs E6850, 6750, 6550

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post #4 of 21 Old 06-25-2007, 06:28 AM - Thread Starter
4.0ghz
 
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Originally Posted by Happydude123 View Post
on stock cooler?
Yup

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post #5 of 21 Old 06-25-2007, 06:39 AM
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Some will do 4GHZ on air and others will hit 4.1GHZ on water ,,, those new steppings are very impressive

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post #6 of 21 Old 06-25-2007, 07:36 AM
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But have you seen the initial speeds... 3.0GHZ, going from 3.0 to 4.0 is EASY.
With my C2D 2.13 i went to 3.7.

Those SHOULD go further than 4.0GHZ

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post #7 of 21 Old 06-25-2007, 08:07 AM
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When sellen zie???

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post #8 of 21 Old 06-25-2007, 08:11 AM
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That's the one I'm getting.


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post #9 of 21 Old 06-25-2007, 08:21 AM
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Quote:
Originally Posted by Jay1ty0 View Post
But have you seen the initial speeds... 3.0GHZ, going from 3.0 to 4.0 is EASY.
With my C2D 2.13 i went to 3.7.

Those SHOULD go further than 4.0GHZ
Um no, they're all based on the same architecture, so there's a limit. That's like saying my FX-57 and 2.8 GHz stock will hit 3.8GHz stable just because my 3000+ Venice and 1.8 GHz stock will hit 2.8GHz stable, when the actual architecture limit is near 3-3.2GHz

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post #10 of 21 Old 06-25-2007, 08:40 AM
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Quote:
Originally Posted by gonX View Post
Um no, they're all based on the same architecture, so there's a limit. That's like saying my FX-57 and 2.8 GHz stock will hit 3.8GHz stable just because my 3000+ Venice and 1.8 GHz stock will hit 2.8GHz stable, when the actual architecture limit is near 3-3.2GHz
True. It's just like AMD's 90-65nm core limit is, as gonX said, around 3-3.2GHz, whereas Core 2 architecture could probably see 5.3GHz with ultraleet phase cooling, but on air you're looking at maxing out at 4GHz if that.

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