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-   -   AMD Phenom 920 OC 3.7ghz (http://www.hardwarecanucks.com/forum/overclocking-tweaking-benchmarking/24466-amd-phenom-920-oc-3-7ghz.html)

HaDeS October 17, 2009 11:12 AM

AMD Phenom 920 OC 3.7ghz
 
Welp it took a bit of work and quite a few reboots to do it. So far it is stable enough to post and run a few bench marks. I can't leave it like this and game for 3 or 4 hours as the overall water cooling temp starts to rise to a point that the cooling doesn't work very well. I reckon a triple rad would solve this issue.... anyway I managed to get 3.8ghz out of it but could only complete about 80% of 3dmark 06 before it froze up.

http://hades.kicks-ass.tv/comp/3.8ghz.jpg

Here is a pic... and a link to my 3dmark score. Cheers ( you need a user account to see this link properly)

18305 3dmarks

SM2.0 score = 7268
SM3.0 score = 8278
CPU score = 5510

ORB - World of Performance



http://hades.kicks-ass.tv/comp/3.7oc.jpg

Supergrover October 17, 2009 11:19 AM

Why is the NB so slow?

Up that NB, 2400 should be possible without upping the NB volts.

HaDeS October 17, 2009 11:24 AM

I can try later... i was going for a stable OC... trying to keep the temps down on the NB. 1600 is stock for this cpu.

Silvgearx October 17, 2009 03:15 PM

Damn 57C, is that NB temp during idle?

HaDeS October 17, 2009 06:34 PM

yes it is 5IL. Ok i mananged to crank all the other stuff up so far so good. NB is just a hair under 2400MHZ and the HT link is the same. See how long it lasts... and i doubt that temp reading on the NB is accurate.

crazyhorsejohnny October 17, 2009 07:27 PM

If its idle NB temp geez what is it at load after a few hrs?

Silvgearx October 17, 2009 08:25 PM

Quote:

Originally Posted by crazyhorsejohnny (Post 273102)
If its idle NB temp geez what is it at load after a few hrs?

probably 10-20C differences in load i think.

as for the NB, would 2400mhz get better you better performances in daily usage? or just in benchmark.

Good to see some AMD action here at HWC besides mr.Supergrover's rigs

awaiting to see some good results from you :punk:

HaDeS October 18, 2009 01:04 AM

I did some reading and apparently NB temps can vary board to board chip to chip. 60+ you have stability issues etc...fail at 90+. So I'm within reason for the time being as much as I'd rather see that temp lower. I did manage to increase all the other settings super mentioned and it resulted in a much better score on the 3dmark.

18744 3DMarks

If you follow the link you can see... I also managed to drop the volts to around 1.56. Temperature is gonna stop me from going any futher so the single 120mm rad has reached its max. triple rad or TEC cooling is the only thing stopping me from going 4GHZ+ Braineater is currently working on a custom TEC cooler I will test when ready. If I can get the temps down to around 30c at 3.7 I should be able to hit 4ghz.

geokilla October 18, 2009 07:34 AM

So this is pretty much a suicide run.....Nice! :punk:

What's 24/7 stability like?

HaDeS October 18, 2009 09:06 AM

I mentioned before I can't run it 24/7 like this... not because it isn't stable but because of the heat. I was watching the ticker on orb last night as scores come in from around the world and I beat a lot of high end rigs. I'd really like to borrow one of my friends 280's and sli this to see what kinda scores I can get. Some of the sli'd i7 975 extreme rigs were getting around 21-22 thousand.

Personally I'm rather impressed considering AMD's are known to not be great overclockers. I'll post some more pics etc once Braineater finishes his TEC inline whatchamacallit woodbox watercooling.


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