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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 425

post #4241 of 38701
Quote:
Originally Posted by Invisible View Post

I think I'm doing something wrong, haha. Cause when I OC'ed, I hit a huge performance...tank. Like I dropped to about 34fps in BF3 and about 20fps less in Heaven 2.5. I followed this thing on Guru3D and put it up 1020/1575 and then 20% power, and I tanked hard.

http://www.guru3d.com/article/radeon-hd-7950-overclock-guide/2

Anything I'm missing?


Looks like throttling or memory clock hitting ECC or you need more voltage. Try lower the clocks and work the way up step by step. 

 

ケンジ
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ケンジ
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post #4242 of 38701
Are you using Afterburner 2.2 beta 12 ? That's what works great for me.

I think I'm going to settle for 1200core/1600mem with 1.200vcore/1.600vmem.. Kinda funny that the clocks are exactly the same as the volts biggrin.gif

These AMD cards are simply amazing, and on water even better.
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post #4243 of 38701
7970's seem to like Alan Wake. Maxed all settings out completely @1200p, 80% usage on both cards in CF, buttery smooth and a very nice looking game wheee.gif
post #4244 of 38701
Quote:
Originally Posted by omega17 View Post

7970's seem to like Alan Wake. Maxed all settings out completely @1200p, 80% usage on both cards in CF, buttery smooth and a very nice looking game wheee.gif

I'm waiting for my 2nd card to arrive still. Do you notice any micro stutter at all with the 7970's? In any games? I'm almost to the point that this 1 card on water is enough power for me even in eyefinity. I can play everything I want with great fps and maxed settings in just about everything. Not sure it would be worth spending the other $700 for 2nd card and another block.
Red X9
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post #4245 of 38701
How are you guys getting to 1200/1600? AB only lets me go to like 1100 and 1575 I think. Also do all you guys just use AB or do you use AB and CCC for the extra power % as well?

And yes, I'm on 2.2 Beta 12.
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post #4246 of 38701
I'm not particularly susceptible to micro-stutter, but I do know that I noticed it a lot on 3x 5850s, occasionally on 2x 6950s and barely at all, if it is even there, on 2 x 7970s.
It definitely isn't a deal breaker on the 7970s, I have to be staring right at the edge of the screen and trying to make it appear stuttery to even think I'm seeing it biggrin.gif

I'd rather have the option of turning eye-candy right the way up to 11, with the room for over-the-top EdgeDetect AA in older titles, than playing at fairly decent settings, but wishing I had that little bit more horsepower that 2x7970 gives me thumb.gif
post #4247 of 38701
Quote:
Originally Posted by Invisible View Post

How are you guys getting to 1200/1600? AB only lets me go to like 1100 and 1575 I think. Also do all you guys just use AB or do you use AB and CCC for the extra power % as well?
And yes, I'm on 2.2 Beta 12.

change unofficial overclocking to 1

search your msi ab folder

in the main folder find msiafterburner.cfg

right click

open with notepad

within find
UnofficialOverclockingMode = 0
change to
UnofficialOverclockingMode = 1

save

done smile.gif
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post #4248 of 38701
Ok, so I have my voltage at 1.2 and then 1200/1600 in AB, just to see how it goes. Should I go in Settings and change my Power Control Properties as well?

Also, does anyone know why when I hit Apply on the bottom it brings my clocks to 0/0, but keeps my voltage at 1.2?
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post #4249 of 38701
Quote:
Originally Posted by Invisible View Post

Ok, so I have my voltage at 1.2 and then 1200/1600 in AB, just to see how it goes. Should I go in Settings and change my Power Control Properties as well?
Also, does anyone know why when I hit Apply on the bottom it brings my clocks to 0/0, but keeps my voltage at 1.2?

Probably a driver issue.

Try reinstall AB.
post #4250 of 38701
Went from a Ref 6970 from ASUS to a Ref Sapphire 7970. Major performance differences in both eyefinity and single monitor gaming. Overclocks like a charm. Not regretting getting this card<3 thumb.gif
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