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Which OC better? 6600 or 6700?

post #1 of 10
Thread Starter 
Which one of the two overclocks better (and stays stable) on air? I've seen people get the 6600 to 3.6, but not to sure on the 6700. Because I am gonna go out to buy my CPU this week and I want the best. (And dont bother bringing money into this matter).
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Mjolnir V1.3
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post #2 of 10
Based on the multi, the 10x Q6700 should have better OC than 9x Q6600 but each chip acts differently.
post #3 of 10
Well lately, I've been seeing some bad batches of q6600's that need lotta volts to reach 3.6ghz. Also since the q6700 has higher multi of 10, you should technically get a higher overclock.
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post #4 of 10
Quote:
Originally Posted by linskingdom View Post
Based on the multi, the 10x Q6700 should have better OC than 9x Q6600 but each chip acts differently.
^^ what he said. And I'm assuming you're talking about Q6600's and Q6700's..
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post #5 of 10
q6700 for 2 reasons.
1. q6700s get better binned chips and lower VIDs, lately the q6600s havent been ocing well
2. the higher multi

usually, q6600's max out at 3.6 stable, the q6700 will do 3.8 stable (on air)
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post #6 of 10
Theoretically, the 6700 should overclock higher because it has a 10x multi, as the 6600 only has a 9x. However, without really nice cooling, a 6600 on a board capable of handling high fsb's will go nearly as far.

When the 6700 cost $500, the best choice was clearly the 6600, but now, since its only a little more, I would get the 6700. Also, your mobo isn't the best quad OCer, so the high multi should help.
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post #7 of 10
I would go for the Q6700. It is a higher binned CPU cut from the same waffer as the Q6600. I've been through 2 of the new Q6600s, neither of which could reach 3.6GHz. But my Q6700 can run 3.8GHz with 1.41v vcore.


Here is something on the binning from someone claiming to work for intel:
Source
Quote:
The newly fabbed CPU is connected to a special "tester" machine (see: www.teradyne.com for one vendor). This machine controls all of the pins to the CPU, and specially-written test programs are played onto the pins (with expected results). The clock and voltage are increased until the point of failure, and this determines which bin it makes.

Disclaimer: I work for Intel, and I am greatly simplifying things, but this is the basic explanation.
Here is also an article on the binning process:
Source
Quote:
To the gaming enthusiest, rich with disposible income, Intel markets its most expensive, and highest performing products. To the average consumer, Intel markets a chip rated for far less performance. In order to save on manufacturing costs however Intel makes just one type of chip, which is then sold to both markets. But even though Intel makes just one type of chip, the quality of each individual chip can vary to some degree. Once the chips have been pressed from silicone wafers, each individual die is stress tested to determine how fast it is capable of running. During this "binning" process the highest quality processors (those whose dies have been pressed perfectly) are separated from the rest and sold under the flagship line from the premium bin. Lesser chips are sold with a locked multiplier at more reasonable prices in the "bargain bin". Fortunately for the overclocker, the limited demand for the expensive flagship processors combinded with gradual improvements in the manufacturing process means that high quality processors will begin to trickle down into the lower quality bins, especially as the processor line begins to mature.
As for why the Q6600 isnt clocking as high, I think it might be due to supply and demand. Since the drop in Q6700 prices, the demand for them has gone up. So those top tiered CPUs that were binned as Q6600s CPUs are probably now being binned as Q6700s. So there is less of a chance to get a higher OCing Q6600. But there are still good ones in many of the batches, the ratio has just changed, and so has the chance to get a relatively good one. Again, this is only my thoughts.


edit: I wish you all could have seen the frag I got for recommending the Q6700 right after the price drop. I was told I was stupid for "wasting money".... And better yet, I was told that all Q6600s would reach 3.6GHz easily, and many would even hit 3.8GHz (LOL). I had already been through 2 new Q6600s by that point.
Edited by ericeod - 5/11/08 at 3:14pm
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post #8 of 10
agreed, the Q6700 would be the way to go, expecially with these new Q6600 batches.
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post #9 of 10
Thread Starter 
Thanks, my minds made up then, im getting a Q6700. /Thread
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post #10 of 10
The chips are (basically) identical, except for the 6600 has a 9x multi, while the 6700 has a 10x multi.
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