What is the likelihood of getting 3.5GHZ out of a Q6600?

Smartazz

Diamond Member
Dec 29, 2005
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What would be the likelihood of churning out 3.5GHZ out of a Q6600 with air cooling and water cooling? I forgot to ask, how powerful of a PSU would you need to do the job, are we talking 600, 700 watts? Thanks in advance.
 

myocardia

Diamond Member
Jun 21, 2003
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With air cooling, you've got less than a 0% chance of getting any B3 stepping Q6600 to 3.5 Ghz. With good water cooling, 3.5 is doable. But, with the G0 steppings, probably 50% or better of them will be able to hit 3.5 Ghz, with one of the better heatpipes.
 

harpoon84

Golden Member
Jul 16, 2006
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Yup, spot on. 3.3 - 3.4GHz is often the limit on air with B3 steppings, adding an extra 100 - 200MHz with water, 3.5GHz is possible, but not guaranteed. G0 stepping would be a much better bet, you may even get close to 4GHz with water with a good chip, who knows!
 

RussianSensation

Elite Member
Sep 5, 2003
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Isn't getting a G0 stepping luck of the purchase draw? Or are majority of Q6600s after July 22nd will be G0?
 

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
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No way on air. Water is not greats odds. Phase is iffy even.

Now when you get the new G0 stepping, lets see.

The wall is at 3.3
 

Smartazz

Diamond Member
Dec 29, 2005
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Originally posted by: Markfw900
No way on air. Water is not greats odds. Phase is iffy even.

Now when you get the new G0 stepping, lets see.

The wall is at 3.3

Hmm, phase is even iffy? Are certain phase change coolers better than others?
 

SickBeast

Lifer
Jul 21, 2000
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Originally posted by: Smartazz
Originally posted by: Markfw900
No way on air. Water is not greats odds. Phase is iffy even.

Now when you get the new G0 stepping, lets see.

The wall is at 3.3

Hmm, phase is even iffy? Are certain phase change coolers better than others?
People have gotten current stepping Q6600's to 3.3ghz on air. I've read that the G0 stepping will do 3.9ghz on air.

Why do you need such a high clockspeed? Apparently the dual cores are better if all you care about is high clocks.
 

Idontcare

Elite Member
Oct 10, 1999
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Originally posted by: Smartazz
Originally posted by: Markfw900
No way on air. Water is not greats odds. Phase is iffy even.

Now when you get the new G0 stepping, lets see.

The wall is at 3.3

Hmm, phase is even iffy? Are certain phase change coolers better than others?

I run phase, it doesn't seem iffy to me for my quad which is running at 3.73 GHz just fine when fully-loaded.

Not sure if Markfw900 is speaking from experience or just speaking.

What can be said with confidence is that an iffy phase-cooling system will be even more marginal and even less likely to be stable when attempting to cool a loaded quad...so don't be surprised of some folks report experience wherein their iffy pase-cooling systems don't function very well.

My Vapochill LS has never had problems handling my quad unless I do silly things like turn the fanspeed way down on the heat-exchangers to make the system run quieter...then sure I can make things go all unstable like no one's business.
 

Smartazz

Diamond Member
Dec 29, 2005
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Originally posted by: Idontcare
Originally posted by: Smartazz
Originally posted by: Markfw900
No way on air. Water is not greats odds. Phase is iffy even.

Now when you get the new G0 stepping, lets see.

The wall is at 3.3

Hmm, phase is even iffy? Are certain phase change coolers better than others?

I run phase, it doesn't seem iffy to me for my quad which is running at 3.73 GHz just fine when fully-loaded.

Not sure if Markfw900 is speaking from experience or just speaking.

What can be said with confidence is that an iffy phase-cooling system will be even more marginal and even less likely to be stable when attempting to cool a loaded quad...so don't be surprised of some folks report experience wherein their iffy pase-cooling systems don't function very well.

My Vapochill LS has never had problems handling my quad unless I do silly things like turn the fanspeed way down on the heat-exchangers to make the system run quieter...then sure I can make things go all unstable like no one's business.

Yeah, I didn't think it was iffy either. I saw a forum post on another forum board where someone got their Q6600 to pass 4.2Ghz and their E6600 to pass 4Ghz. By the sounds of it, PCC is pretty impressive.
 

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
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Well, I guess Duvie freezone isn;t really phase, and thats what I was basing that one. Its way better than water, but not phase. My two are on air@3.2, and Duvie leaves his at 3.2, as otherwise I think he said it took a lot of vcore, and ran hot to get to 3.4 (not speaking for him, but from memory, he was over here and we plaed with it a lot a while back)