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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 155

post #1541 of 38704
Well I have had my pair of MSI 7970's since Thursday, and they have been nothing short of awesome! I have them installed in my Antec 1200 case, with my P55 GD-65, i5 750 @ 4.2ghz, 4GB G-skill trident 2133mhz (9-9-9-24). I have both cards overclocked to 1200 core with 1.2v and 1600 memory stock voltage. I am going to start pushing these cards tomorrow and see what they have left for overclocking! Last night I got 19,823 P on 3Dmark11 graphics. My i5 is brings down the P just a little rolleyes.gif haha. Overall I couldn't be happier, but I must say crossfire drivers do need some work. Battlefield 3 gets a little fussy as does metro. I guess we don't even have an official crossfire driver from AMD yet, so I guess I can expect much more to come from these babies thumb.gif. Here's a few Pictures I took of my rig.


Gaming pc 065.JPG 4490k .JPG file

Gaming pc 062.JPG 4449k .JPG file

IMAG0198.jpg 717k .jpg file


2 x MSI 7970's 1200 core 1600 Memory

So I guess I am in the club !
post #1542 of 38704
Hmmm...it seems these chips have different temp tolerances. Yours artifacts above 70C? Well mine artifacts as soon as it hits 52C+. Weird huh..
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post #1543 of 38704
Quote:
Originally Posted by jamborhgini313 View Post

Hmmm...it seems these chips have different temp tolerances. Yours artifacts above 70C? Well mine artifacts as soon as it hits 52C+. Weird huh..

are you getting artifact even in stock settings? If not, how far are you pushing it?
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post #1544 of 38704
Quote:
Originally Posted by Scorpion667 View Post

Yeah acording to GPUtool, 3dmark11 loop and heaven 2.5 but GPUtool artifacts if i dont keep it under 70c.
I'm gonna wait till it's -20c outside and direct my intake fans at the window to see if the cold helps this card. I suspect it does, the GPU's vary so much with regards to overclocking acording to this topic. Some like the cold, some dont care, some artifact at high voltage. It's weird man.

It's not wierd, it's probably the VRM aren't cooled properly. There wouldn't be a cap at 70'C or so.

When you do cool your card with -20 air from outside, you'll see an improvement.
    
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post #1545 of 38704
Quote:
Originally Posted by krazyatom View Post

are you getting artifact even in stock settings? If not, how far are you pushing it?

Nope. I've been benching it around 1150-1200. It really doesn't like heat. I might have to get a WB to see though
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post #1546 of 38704
Here are a couple of xFire Runs

375


375
Edited by Witchdoctor - 1/21/12 at 3:30pm
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post #1547 of 38704
You're right it's the VRM's.

I was playing around with ATItool for artifact scanning as it doesn't heat up the GPU very much(topped out at 60c) and 1.2ghz @ 1.2v fine passed fine. Bumped voltage to 1.3v and started artifacting at same clock speed.

Lame. I don't really like this card, it's so #$%@ing picky about everything.
Edited by Scorpion667 - 1/21/12 at 4:03pm
    
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post #1548 of 38704
Btw when I installed my waterblock I saw that the stock heat sink wasn't contacting properly. There was accually dust between some of the memory chips from the fan blowing over the chip without contacting the heatsink. Just thought I would share that some may have stock heatsinks not seated, it might be rare though.
 
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post #1549 of 38704
Are you guys even finding it necessary to raise Powertune from its default settings when doing normal gaming off a decent OC? I ask because Sapphire Trixx appears to be the only OC software that works alongside CCC (which allows you to increase Powertune to +20%), but I'm having some issues getting my custom fan profiles to stick with both GPUs in crossfire. MSI AB's custom fan profiles worked perfectly fine when I had a previous SLI setup, but I'm worried that moving to AB will cause me to lose the Powertune benefits (since AB and CCC don't work together). Anyone have any insight?
post #1550 of 38704
I have some annyoing problems with BF3 after a fresh install off W7!
I have latest Chipset, AMD, and whatever drivers, also updated W7 untill I cant update anymore...

This is the error message I get:
256
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