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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 78

post #771 of 38701
Quote:
Originally Posted by CallsignVega View Post

In Battlefield 3 Karkand last night 64-player server using my Sony FW900@1920x1200 with two 7970's@1225/1600 with the game set at max everything I reached a maximum of 2870MB VRAM! I almost am maxing out the VRAM with that resolution.

So yes, there is a reason for 6GB cards and I look forward to them for my Eyefinity setup. With the regular 3GB 7970's on my Eyefinity, I can only run "medium" settings in BF3 as it is going over the VRAM limit any higher.

If you are using MSI Afterburner to read the memory usage Vega, then I trust you are dividing the readout by 2. Otherwise, I could easily report that a modded Crysis Warhead is using 5500MBs of memory on my sig rig. tongue.gif
post #772 of 38701
Quote:
Originally Posted by Denim-187 View Post

It's a huge upgrade, especially after overclocking the cards. Most noticeable in DX10 & 11 games i.e Crysis 2, BF3, Metro 2033, Far cry 2.
You'll be pleased with the upgrade.

Glad to hear that, I was wondering that whether it's really worth to upgrade from 6970 CF to 7970 CF, especially you only use one monitor. People keep saying that it's overkilled, but I think it's ok if you want to run games at 120hz all of the time.
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post #773 of 38701
Thread Starter 
Quote:
Originally Posted by Focus182 View Post

Quote:
Originally Posted by Evil Penguin View Post

I can't even get 1100 MHz stable...
When you run OCCT, do you have shader complexity set to 8 and fullscreen?
Also, you are not running OCCT 4.0?

Shader complexity is at 8 but i don't full screen i run a 1280x1024 window

And yes i am running OCCT 4.0
4.0 doesn't work nearly as well as 3.1 does.
Try to install 3.1 (DL link on the first page).
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post #774 of 38701
Quote:
Originally Posted by JCPUser View Post

If you are using MSI Afterburner to read the memory usage Vega, then I trust you are dividing the readout by 2. Otherwise, I could easily report that a modded Crysis Warhead is using 5500MBs of memory on my sig rig. tongue.gif

That bug doesn't exist with crossfire 7970's and the new Afterburner. It did affect my old 6990's though.
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post #775 of 38701
Quote:
Originally Posted by Rayleyne View Post

Just waiting on the sapphire Flex 6G version and then i'll come in with trifire

Heard anything on release date?
post #776 of 38701
Quote:
Originally Posted by Denim-187 View Post

Vise Versa in my case.
VSYNC off: Input lag
VSYNC on: No input lag
You have the same monitor as me, do some tests if u have BF3, compare when the frames dip.

Cool I have same monitor too.


I'm realizing the while mmm (folding) that I can drop the voltage pretty low I can go almost down to 0923mv for 925 core. This is pretty good news for those who want lower power consumption. I'm running a 5870, and 7970 at full load plus a 2500K OC'ed to 4.5ghz and I'm only pulling 365watts from the wall I saw some tri fire power numbers are so low. I think you can do quad fire with a good OC with less than 1000 watt PSU with these cards, but I would still do 1200watt just in case.
 
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post #777 of 38701
Quote:
Originally Posted by HGooper View Post

Glad to hear that, I was wondering that whether it's really worth to upgrade from 6970 CF to 7970 CF, especially you only use one monitor. People keep saying that it's overkilled, but I think it's ok if you want to run games at 120hz all of the time.

You will need 2 cards for 120 hz.. I bench-marked BF3 maxxed for an hour last night with 2x7970's on a 120hz 1080p monitor and averaged 134 fps.
So i'd say 1 card would give you about 70fps.
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post #778 of 38701
I noticed a couple people have mentioned folding in here, so just wanted to slip this in as a reminder of the monthly Foldathon coming up. Be nice to see the f@h performance of the new GCN architecture improve significantly, but for now, 8-10K PPD isn't too shabby.

If we could get some of you folding on them lovely 3930K or 2700Ks too, we'd get 2012 off to an immense start. We have prizes, and cookies, IIRC! And there is a reason I'm doing this shameless plug here, which you'll notice if you follow the link - remember who sent you there biggrin.gif

January Foldathon (18th-20th) - Raising Huntington's Disease Awareness
Edited by omega17 - 1/15/12 at 4:48am
post #779 of 38701
I talked to a guy about my errors in OCCT.
What happens is that after some seconds, I suddenly get alot fo erros, like over 20 thousend.
However, It seems to work fine on Unigine, 3Dmark11, BF3 and Crysis warhead, so he told that those errors might duo something else than actual errors!

What do you guys think?
post #780 of 38701
A quick question I meant to ask before;

Does everyone's 7970 squeal under load? Mine is the worst card I've had for squealing; it's still not a problem, but it's there.
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