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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 652

post #6511 of 38740
Hi guys. i have reference sapphire 7970, core overclock -1070 (stable, no overheating, no throtling).
Performance in battlfield 3 (gulf of oman, karkand strike) is dissapointing, with these settings:
everything on ultra, motion blur off, msaa-2x, full hd, i get average 52 fps, min 30.
I have core i 5 2300, 8 gb ram, windows 7 64 bit. I know my cpu could be bottlneck, but not THAT much!
And my gpu load during gaming between 60-90, very rarly 100%, is it normal? could someone monitor 7970 gpu load during battlfield 3?
P.S. drivers 12.3.
post #6512 of 38740
turn off msaa and go into CCC and set your AA to post (fxaa)
 
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post #6513 of 38740
The B2K expansion has extremely bad GPU usage in my experience. What is performance like on Caspian Border?
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post #6514 of 38740
Quote:
Originally Posted by TheJesus View Post

Nvidia might have a problem if those benchmarks that leaked are true:
GTX 680+ i7 3960x 3.3GHz (bars in leaked benchmark) VS. 7970 + i7 950 3.28GHz
JhbJX.jpg

I feel like that's low. I just got like 1700 with my mild overclock and 2500k (68 avg fps).
 
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post #6515 of 38740
Quote:
Originally Posted by pfunkmort View Post

turn off msaa and go into CCC and set your AA to post (fxaa)
didnt help.
Quote:
Originally Posted by Outcasst View Post

The B2K expansion has extremely bad GPU usage in my experience. What is performance like on Caspian Border?

A little bit better 40-60 fps, but still not smooth, often dips to low-mid 40-s.
post #6516 of 38740
Quote:
Originally Posted by Ottesen View Post

Guys....
1: What is the stock voltage on my 7950 powercolor pcs+ with dual fans ? i can't find it...lol
2: How do one change memory voltage ?

Quoting my self smile.gif

Seems i can run the cards stock on 980-1000mv, its that what they come with stock ?
And how far on the memory voltage can i got, 1600mhz on 1650mv is ok-ish but gives me minor artifacts...
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post #6517 of 38740
Quote:
Originally Posted by TheJesus View Post

Nvidia might have a problem if those benchmarks that leaked are true:
GTX 680+ i7 3960x 3.3GHz (bars in leaked benchmark) VS. 7970 + i7 950 3.28GHz

Dude, now that's some serious shenanigans!
Quote:
Originally Posted by pfunkmort View Post

I feel like that's low. I just got like 1700 with my mild overclock and 2500k (68 avg fps).

Dude, you missed the shenanigans!
Quote:
Originally Posted by Ottesen View Post

Quoting my self smile.gif
Seems i can run the cards stock on 980-1000mv, its that what they come with stock ?
And how far on the memory voltage can i got, 1600mhz on 1650mv is ok-ish but gives me minor artifacts...

At that point when artifacts appear, it is not because its the first time, but because the error correction can no longer keep up with fixing frames. It means you've probably been artifacting for a bit, so lower memory clocks down until one, they go away, two lower it some more and bench till you start to see your gains disappear. When your benching gains start shrinking, this means you're starting to artifact and the EC (error correction) is fixing frames, thus wasting gpu time re-rendering bad frames.

Btw, stock voltage is about 1v to about 1.1v. iirc, similar to 6950 voltage vs 6970.
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post #6518 of 38740
As for wake island, I'm staying over 60 fps pretty much 100% of the time with my one card. I'm using RC11 (which can be found on the first page of this thread). I'd suggest trying it if you don't get anything else to work for you, as some people have said it's the most reliable driver of the bunch.


........I always miss the shenanigans. foreveralone.jpg
Edited by pfunkmort - 3/17/12 at 8:55am
 
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post #6519 of 38740
Once I dialed back my memory overclock from 1575 to 1500 I went from 55fps minimum on B2K to 70fps minimum. Guess I was being throttled a bit.
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post #6520 of 38740
Quote:
Originally Posted by NeoandGeo View Post

Once I dialed back my memory overclock from 1575 to 1500 I went from 55fps minimum on B2K to 70fps minimum. Guess I was being throttled a bit.

You'd be surprised how many people are killing themselves or their card right now living in EC world 24/7.
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