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Average QX9650 OC's

post #1 of 8
Thread Starter 
Hello people,

Does anybody has any idea, what the Average Max OC Is of a QX9650?

I mean within Intel Max vcore of 1.365v

And is it safe, to say to use a 24/7 vcore of 1.4v or 1.425v??
With good temps offcourse
Edited by prescotter - 6/2/11 at 9:10pm
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post #2 of 8
On air cooling with an uneven IHS, I struggled to get mine stable at 4GHz. The Q9650 (non extreme edition) yields better overclocks - mine hit 4GHz with extreme ease, and managed to hit 4.5GHz (non-stable). The Q9650 has a lower wattage and newer stepping, meaning it'll run cooler than the QX9650.

Edit: The QX9650 doesn't really shine until you get into extreme cooling, and well out of the Intel Spec.
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post #3 of 8
Avg for 24/7 clocks within specs is going to be 4.0 or so...

The unlocked multi of the "X" series is good for sub zero benching and stuff, also may help on boards that dont allow a high FSB...

But its still just a Q9650 so the avg is the same...
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post #4 of 8
Quote:
Originally Posted by 10acjed View Post
Avg for 24/7 clocks within specs is going to be 4.0 or so...

The unlocked multi of the "X" series is good for sub zero benching and stuff, also may help on boards that dont allow a high FSB...

But its still just a Q9650 so the avg is the same...
It's not a Q9650 though. The QX9650 lacks the newer E0 stepping that the Q9650 chips have.
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post #5 of 8
Most 9650s I've seen make 4.0

1.4V is the most accepted safe 24/7 max for 45nm in the OC community. All the 45nm I've had haven't needed 1.4V to get great OCs so if your board is good I'd expect you to get 4.0 under 1.38.
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post #6 of 8
I'd say around 4GHz. It also depends on the motherboard you're using. You can probably go over that average easily with a EP45-UD3P because those are probably the best boards for quads. My x48 Rampage Formula struggles once I hit 470 FSB, even if I bump the voltage to 1.4v it still won't boot into Windows before it freezes.

1.4v shouldn't be too much of a problem with proper cooling. It will degrade the chip, sure, but it's nothing to worry about especially since it's an older chip which by the time it dies from voltage you'll be wanting to upgrade anyway.
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post #7 of 8
Quote:
Originally Posted by sLowEnd View Post
It's not a Q9650 though. The QX9650 lacks the newer E0 stepping that the Q9650 chips have.
I dont think that hinders the QX as much as it does the Q9550 C1, the QX are C0 stepping, and the biggest downfall I see with that is the weak tcase max of 64c...


However I have come to the realization that intels max temp is more of a recommendation then an actual. After all they set thermal shutdown to 95 - 105c to prevent damage... So I find it hard to believe that 80c for short periods will cause damage, maybe long term use wouldn't be wise...

I dont see either 9650 not being able to run 4.0 for 24/7 use without an issue tho, providing the board and cooling can handle it...
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post #8 of 8
Thread Starter 
Allright guys, thx for all your reactions
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