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E6*50 overclocking

I can't seem to hit 3.8Ghz stable with my 6850. OS boots and runs fine but fails stability tests. For you guys at 3.8Ghz+, what kind of vcore do you have set? Also, did you have to raise any other voltages?
I had to raise my vcore to 1.39 for it to be stable @ 3.6Ghz.

EDIT: Nevermind the above. I've reached 3.8 stable.
 
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anyone had any luck getting past 4gig stable ?

voltage seemed to need a big jump from 1.48 to around 1.55+ to start pushing to 4.1 (or more) and at those kinda volts temps become an issue even with water for me

TAT pushed temps to 68c at the core :eek: i let it run for about 2s before i bottled it and clicked stop lol. Didn't crash tho :)

im happy with 4gig atm everything feels faster (or i just convince myself it is lol)
 
I also had a not so good clocker like that and bought another gtx planning to sli them, but i changed my mind and decided to keep the better clocker and sold the other one on.
 
Not bad for air cooling:

13_790_3800.jpg
 
EDC said:
3.8GHz is a nice clock for the E6750 ... what are your temps like?
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Click to expand...

Through the roof. I'm using quiet air cooling so I can't complain.

3.8 is 3d mark 06 stable/game stable. 3.64 is Orthos stable.
 
My E6750 will do 3.3GHz 8hrs Orthos stable on stock volts.

It will do 3.4GHz on 1.31v Orthos stable. ATM checking at 3.5GHz.

On air with a Tuniq tower, GA-P35-S3 mobo and OCZ PC6400 Platinum rev. 2 XTC; ooh and a EVGA 8800 GTS
 
The E6750's retail G0's seem inconsistent to me, some are hitting a wall around the 3.5 to 3.6GHz mark with no further overclock no matter what the voltage, whilst others
are climbing all the way up to 3.7 -3.8GHz. I guess it all comes down to which batch, which week, and luck of the draw if you get a good one!
 
Yes. There is one on XS that does 4ghz on air stock cooling. Sure I could maybe manage 4ghz but that would need 1.65v and balls of steel.

So...maybe tomorrow :p
 
weescott said:
Yes. There is one on XS that does 4ghz on air stock cooling. Sure I could maybe manage 4ghz but that would need 1.65v and balls of steel.

So...maybe tomorrow :p
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Tried mine at 3.9GHz with 1.55v and it reverted back to stock values; might try with more volts and also uping the NB voltage too ;)

RAM seems to be holding up very well :)
 
Topitoff said:
Tried mine at 3.9GHz with 1.55v and it reverted back to stock values; might try with more volts and also uping the NB voltage too ;)

RAM seems to be holding up very well :)
Click to expand...

Seems like 4GHz has become the holy grail, but I'm starting to think is it worth it. A system running at 4Ghz as opposed to say 3.6 GHz may gain 4-5 FPS in games, and may knock a few seconds off a SuperPi 1 million score. Sure, It's nice to know you've got a chip that can do those kind of clocks but personally I would run at a lower clock with lower volts and temperatures for my own peace of mind :)
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im still stuck @ 4.1 motherboard wont play ball any higher, its not the chips limit by a long way just the fsb limit on aircooling, 3rd loop coming next week so watch this space
 
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