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Safe 480 overclocking

post #1 of 13
Thread Starter 
Ok so I am starting to roam into the area of overclocking my 480 now that it is under water finally. Currently I have only overclocked the core clock speed. I am just curious to know what benefits I may see if I were to overclock the memory as well?

Right now it is running at

801Mhz
1848Mhz

I would like to try and shoot for maybe 900Mhz core clock speed if possible before I consider selling off this 480 to maybe jump into the new 660 TI model.
post #2 of 13
oc the memory by only 50-150 and bump the vcore on the chip accordingly. If you want to get any bigger core clocks, you will need to oc the the mem and vcore proportionally.
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post #3 of 13
Thread Starter 
So basically jump the memory up 50 - 150 spurts and if need be the vcore. Is this why when trying to OC at 850 core clock changed only I am getting artifacts in the stress test?
post #4 of 13
Why not just get a 2nd gtx480 and instead of getting 5% improvement u can get 50-80%....
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post #5 of 13
Thread Starter 
Quote:
Originally Posted by SimplyTheBest View Post

Why not just get a 2nd gtx480 and instead of getting 5% improvement u can get 50-80%....


I am actually still debating on that. Whether or not to try and get another 480 or a 660. Reason I might not be able to do another 480 is because I don't have the funds to get the card + another waterblock. Only way I could consider getting a 660 is by selling my 480 + waterblock and using evga bucks to make up the difference. But either way I am probably stuck for now. Got other things I need to pay for before making any changes to my rig.


My dads friend is actually using a 480 right now and is probably going to be upgrading to a 680 and my dad said he would see if he could get his friend to give me the 480 if he has no other plans for it, for free of course but that is an extremely long shot.
post #6 of 13
Thread Starter 
How do I adjust the vcore by the way? I have MSI Afterburner OR EVGA Precision to use for this task. Also how much per jump would I want to adjust it and what is the highest you guys would recommend me adjusting the vcore to? I do not want to blow it up.
post #7 of 13
Thread Starter 
Any suggestions on how I should go about over volting my 480? Currently I can run it at 824Mhz with no artifacts showing up during the evga OC SCanner. I would like to push it further if possible.
post #8 of 13
Thread Starter 
Well seems I am having trouble overclocking my 480. Can't get it to 850 with out having artifacts. WIll report back if I can do anything different.
post #9 of 13
Quote:
Originally Posted by esCob4r View Post

Well seems I am having trouble overclocking my 480. Can't get it to 850 with out having artifacts. WIll report back if I can do anything different.
Have you figured out how to increase voltage yet? If not, go to settings, check "unlock voltage control" (not sure if that's necessary but since the voltage slider apparently doesn't show up I'm guessing it is), and there's your slider.
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post #10 of 13
Quote:
Originally Posted by SimplyTheBest View Post

Why not just get a 2nd gtx480 and instead of getting 5% improvement u can get 50-80%....
It's a free boost, and it's more like a 15% performance boost.
Quote:
oc the memory by only 50-150 and bump the vcore on the chip accordingly. If you want to get any bigger core clocks, you will need to oc the the mem and vcore proportionally.
Really? I've been told that downclocking the memory can give you a boost on the core.
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