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Can't get over 3.4 GHz on a Socket 478 Prescott core - Page 2

post #11 of 26
I would say that on air the best you can hope for on a C(0) is ~3.5GHz. If you can get your hands on a good E(0) Prescott or even D(0), you might get lucky and reach speeds approaching 4Ghz on air. At these high speeds, the Prescotts really shine with their larger cache and improved hyperthreading.

Sadly the C(0) are poor performers.

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post #12 of 26
Thread Starter 
so im stuck at 3.4ghz right
post #13 of 26
Thread Starter 
are they better then 3.0ghz northwood with 512 catche??
post #14 of 26
Quote:
Originally Posted by bxjohn
so im stuck at 3.4ghz right
With that processor. You have an excellent overclocking board so you may wish to sell this one and purchase an E(0) stepping and with one of those you will very likely make ~ 3.8 - 4.0GHz.

Quote:
Originally Posted by bxjohn
are they better then 3.0ghz northwood with 512 catche??
Actually the Northwood was the better performer than the Prescott C(0) and any Prescott at less than 3.6GHz was often outperformed by Northwood. It was only at the higher speeds that the extra cache made up for the longer pipeline and began to show great improvement. Thus if you were to get a 3.0E E(0) revision and take it to ~3.8GHz it would be a better performer than the Northwood at the same speed.

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post #15 of 26
Thread Starter 
ok now for my last question when i buy another cpu how to i tell its a do or co steeping
post #16 of 26
I have the E(0) and I got it up to 3.6 pretty easily on air. I know it can go higher but, I just haven't pushed it yet because I want to get better RAM to run 1:1. But if you can, get your hands on and E(0) like Ropey said.
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post #17 of 26
Thread Starter 
were can i find one ????
post #18 of 26
Quote:
Originally Posted by bxjohn
ok now for my last question when i buy another cpu how to i tell its a do or co steeping
It's a bit of the luck of the draw. If you purchase a new one then you are very likely going to get a D(0) or E(0) as the C(0)'s are gettting too long in the tooth to be around the retail outlets. I would not purchase one off of another person without their confirmation that it is indeed a D(0) or E(0).

If you can, go for the E(0) revision as it is by far the best of the grouping.

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post #19 of 26
this is what u needhttp://directron.com/p432e.html
post #20 of 26
Thread Starter 
thanks for everyones help but i think its not worth the 235# to get a new cpu ill just wait another 2 months and get a conroe thanks anyway
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