- Joined
- Aug 17, 2001
Are these chips, assuming steppings don't matter, virtually capable of reaching the same clock speeds? Meaning I should choose the one with the lower price?
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ochungry said:You are better off w/ higher multi if expecting sure overclocking.
11x270 =2930mhz is a sure thing
9x330=2930 is not. and you can bet $1m not stable.
specially when you want to do 1:1 ratio for rams
there are a spectrum of rams that will do 270 MHz, even 2x1gig.
but you will never find any ram do 330mhz,
If you are planning to oc for trophy and benchmarks, and have your house plumbing system take care of CPU heat and have your hardware wrecked on the table, then yes it is possible to do 3ghz w/ 144opteron but no guarantee.
w/ 11x multi, you are at ease.
Also seek other forums for this.At ExtremeSystem there are a lot of opteron overclockers, from 1xx to 2xx sseries. consult w/ them. over here, I have a feeling that some just like to disagree w/ the former poster or any poster. There is a lot of bickering going on here and some opinions are unfounded. dont listen to me, listen to your guts feeling.
Revivalist said:Just an added note . . . the stepping is going to matter much more than the rating (144, 146, or 148). Right now I have two 148s (CABYE 0543) that can't do more than 2.85GHz stable on air. But the 146s (CABYE 0540) do 3.0GHz on air. . . So if possible try to get a good stepping. This is possible on Ebay (when the seller specificies the stepping) or with some vendors (mwave.com, tankguys, ZipZoomFly, etc.)
As for your RAM, I wouldn't worry about it. You can always run a divider if it can't take the speed. What you need to be concerned with is how high your board can clock. If you want to hit 3.0GHz, then the 144 is probably out of the question (unless your board will do 334MHz. )
On average. This is key.-_{MoW}_-Assasi said:the steppings do matter, some steppings overclock better than others
You are correct if the poster will be using that ASRock mobo. Then the limiting factor will be the ASRock, since it is unlikely to run over 250 MHz. So a 148 is the correct choice in this case. With better OC'ing mobos, the choice is more complicated except that you can eliminate the 144 IMO.ochungry said:Yah, but read his post carefully and read the post by revivalist.
There is no way you can get 3 ghz w/ opteron 146 24/7 and w/ the board he is interested.
opteron 144 will not do 3 ghz on the mobo the poster is interested.
148 will. 146 is a so so.
END.
Exactly. The batch does not guarantee a good oc, with the opti 150s some of the best clockers are cabbage batch.IWasHungry said:On average. This is key.
DaveB said:You are correct if the poster will be using that ASRock mobo. Then the limiting factor will be the ASRock, since it is unlikely to run over 250 MHz.