Lowest Temperature 4.2Ghz overclocked

bulldog147

bulldog147

bulldog147

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22 Mar 2009
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I had now managed to find a stable 4.2Ghz overclocked with lowest temperature after spend almost 3 hours to get the right setting in the bios to finally stable as it still ongoing full load using prime95 blend testing.

Watch this space ! :)
 
JonJ678 said:
After the epic one man struggle to find the best cooler, I look forward to knowing your result. I don't think it's going to beat the ek supreme though :)
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Yep, it won't beat the ek supreme thought. But temperature is very good so far exspecially low temp on idle and full load for the highest overclock at 4.2Ghz with low vcore !
 
Full load for 1 hour now, as you can see the tjmax at 100. And the temperature haven't gone above 71C yet ! It even better than the H50 as the H50 with full load for an hour with 4.2Ghz at 1.31vcore at 82, 79, 77, 75.

But this time, it vcore at 1.23 with amazing temperature at 71, 70, 70, 69 but still need to do more testing thought.

What you think of it with air cooling temperature ?

 
D D Danneh said:
I'm more impressed by the fact you have 12GB of RAM, most people can't achieve 4GHz with 12GB, regardless of the voltage.
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To be honest, I never expect my 12Gb of ram will going to work well with over 4Ghz overclock but it surprise me really. I think I must have a cherry chip ever. I dare NOT to selling my beauty i7 core chip. :)
 
Maybe I should try timing ram of 8.8.8.20.1 (6 x 2Gb) later tonight instead of using 9.9.9.28.2 at 1200Mhz (because my memory is only support 1333Mhz at 1.50v) might buying 2000Mhz (6 x 2Gb before christmas with water cooling setup)
 
Will OCUK staff testing 1600Mhz / 2000Mhz with 12Gb of ram for 4.0/4.2 Ghz overclock and post me with the result of the test to see if it will work or not ? before I can purchase it myself. Thanks OCUK.
 
JonJ678 said:
I think its more a case of you'll end up running your 2000mhz ram at 1333 to keep the cpu clock, but higher ram speeds will hit the imc harder which will hurt stability. Changing to 6gb of 1866mhz ram may get you higher clocks, but then again it might not. What're you using 12gb for? I'm sure I should know but can't remember

Come on then, what's the current favorite?

That's a big thing to ask mate, I can't see them jumping at the oppertunity. Especially given your cpu might do it but another wont or vice versa, they'd need your board and your cpu, and I think would have to charge a significant amount for the trouble
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I suppose you're right of what the point of using 12Gb of ram for any 64 bit operating system. More likely 6Gb of ram is enough (3 x 2Gb)
 
Gaidin109 said:
Anything much over 200bclk and my mobo doesn't like it. I would have to mess about too much with the memory settings and stuff. I'm pleased I got the 8,8,8,24,2T timings with 1528mhz with only 1.5v though. I'm happy with my 4ghz OC especially with such low volts across the board and no LLC.
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Why you disabled LLC ? Just curious myself :)
 
DavyBoy said:
You 2 have got really good chips I must say..

I hope that I get a cherry chip when I buy my 2nd one for my fiancees rig..
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Yep, me and Gaidin109 had a cherry chip ! (will never going to sell it) I just wait until my water cooling setup before christmas and I think my cherry chip can get up to 4.4Ghz possible ?
 
Gaidin109 said:
Bulldog, that is a long and complicated story. There is a thread all about it, basically LLC allows spikes in the CPU voltages that can degrade the CPU. With it disabled the voltage cannot go above what you set in the bios, it means you have to compensate manually for vdroop by setting a higher vcore in bios. It's harder to get a stable OC but seems safer in the long run. Slightly lower temps as well.
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Ok fair point. Are you thinking of try to set up water cooling one day ? As these are far the best than cpu air cooling and also far best than H50 as well. Maybe one of us both could easy go 4.4Ghz with our cherry chip ?
 
Bradley8988 said:
Just waiting on my case to be finished. I cant really post log due to a competitor sponsoring the build. CPU and GPU on a PA120.3 with push/pull. Not the best set up but should handle temps ok. This is what im aiming for. We have same batch.

4.5Ghz with 1.38v.



My block before getting plated :)

gtxplexi1.jpg
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That's is pretty good for your 4.5Ghz ! I had to sort out my planning of water setup before xmas. Maybe you could help me out ?
 
Gaidin109 said:
But it seems that Prime95 has only just started, Realtemp might have been running for 1hr 43, but without varifcation of Prime it doesnt mean anything.

Heres mine with a quick IBT pass to max out the temps, and as Jon knows Load Line Callibration switched off thus the higher voltage. I have run prime for 4hours on this before and temps rise to about 80c with an ambient of 27c, but I dont run it 24/7.

421600intelburntest.jpg
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Try run IBT at 16 threads with maximum stress level and times to run at 25 times ! And post back with temperature !

As your standard stress level with 5 runs isn't enough to guarantee stable your pc.
 
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