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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 466

post #4651 of 38704
Hmm well if you get artifacts with these memorys that has ECC you have atleast 50Mhz+ too high clocks, you really need to push it way over the limit till that starts to happen. First when you get slightly over the stable mark you just get bit worse performance.
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post #4652 of 38704
how are you guys using 1600mv voltage? my default in msi ab is 1174 lol
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post #4653 of 38704
Quote:
Originally Posted by thrgk View Post

how are you guys using 1600mv voltage? my default in msi ab is 1174 lol

That's memory voltage. You can only set it in afterburner.
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post #4654 of 38704
so the memory voltage is the one you can up to 1.6v? how do you go about doing that? Thought gpu only had one voltage.
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post #4655 of 38704
wait, they mean 1600mhz for memory clock? I bet that is it lol. Sorry stupid question
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post #4656 of 38704
Quote:
Originally Posted by thrgk View Post

so the memory voltage is the one you can up to 1.6v? how do you go about doing that? Thought gpu only had one voltage.

There's a drop down toggle on the main afterburner settings. It's a little arrow to the right of your memory clocks.
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post #4657 of 38704
Quote:
Originally Posted by thrgk View Post

so the memory voltage is the one you can up to 1.6v? how do you go about doing that? Thought gpu only had one voltage.

The memory default voltage is already 1.6v

If you are using an up to date AB you can click the drop down thingy next to the core voltage slider and access your memory voltage.
post #4658 of 38704
ah i see it, so upping that might let you get better memory clocks? and still have to up core voltage to up the core like 1200+ correct? and both increase heat right/ just want to be sure
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post #4659 of 38704
Yes raising the memory voltage will net you a better OC in most cases. You will need to check what the safe voltage range is for the memory though.

And finally, Yes raising the memory voltage or core voltage will raise heat.

EDIT: I read your second question wrong. Its not impossible to get 1200mhz on stock voltage but I doubt you would. Still, no one can tell you what voltage you need for it till you try it yourself. Every card is different. If you are asking if the memory voltage will affect the max core freq you can gain then the answer is no, But a high memory OC can in some cases hinder your core OC.
Edited by Focus182 - 2/22/12 at 6:45am
post #4660 of 38704
Quick question to everyone, Does anyone get quite a bit of artifacting in GTA IV?

Even at stock or raised voltage I get errors. Other games work flawlessly so I guess its just lack of support?
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