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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1671

post #16701 of 38701
Voltage locked, but 1100/1575 (max ccc sliders+ pwr 20%) rock stable on standard vgpu (gpu-z shows 1.063v)

After one hour of BF3 at 1920x1080 Ultra (without AA and Blur)
With 1100/1575 and AUTO fan speed , values from GPU-Z looks quite good:
max fan speed 53%
max gpu temp 60 oC
max vrm1 temp 92 oC
Edited by adamlop - 10/14/12 at 11:26am
post #16702 of 38701
Quote:
Originally Posted by billgates8889 View Post

The VRM temperature I'm getting on load is 105 Celsius. Would this be acceptable for normal 24/7 run?

no way. get that down to 90c. ramp up fan speeds or clock down the GPU and if you have increased voltage reduce that too.
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post #16703 of 38701
Quote:
Originally Posted by Bal3Wolf View Post

Quote:
Originally Posted by billgates8889 View Post

The VRM temperature I'm getting on load is 105 Celsius. Would this be acceptable for normal 24/7 run?

i would want them to stay under 100c but they are vrms probly have a high limit of 110-120 not sure on the exact card you have.

If you keep them that hot for the duration they will go pop, pop, fizz.
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post #16704 of 38701
Quote:
Originally Posted by tsm106 View Post

If you keep them that hot for the duration they will go pop, pop, fizz.

Im not sure about vrms on the 7900s but i remmber for 5800s they had a max temp of 120c and the cores would start to thottle or shutdown if you hit those temps. But im with you id want to keep them as low as possable under 90c.
Edited by Bal3Wolf - 10/14/12 at 11:25am
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post #16705 of 38701
Quote:
Originally Posted by Bal3Wolf View Post

Im not sure about vrms on the 7900s but i remmber for 5800s they had a max temp of 120c and the cores would start to thottle or shutdown if you hit those temps.

I hear it is 120c for the 7000 series. Not sure if that is true.
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post #16706 of 38701
Quote:
Originally Posted by BradleyW View Post

I hear it is 120c for the 7000 series. Not sure if that is true.
same but i cant find any hard proof that its 120c just a post on guru3d.
http://forums.guru3d.com/showthread.php?t=359184#post4253688
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post #16707 of 38701
Quote:
Originally Posted by Bal3Wolf View Post

Quote:
Originally Posted by BradleyW View Post

I hear it is 120c for the 7000 series. Not sure if that is true.
same but i cant find any hard proof that its 120c just a post on guru3d.
http://forums.guru3d.com/showthread.php?t=359184#post4253688


You can get the pdf for the vrms, iirc there's thread in the amd cooling where swiftech gabe was saying 120c is safe lol cuz you know he's trying to sell a gpu only block.
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post #16708 of 38701
Sapphire 7950 OC
    
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post #16709 of 38701
Guys, now after i sell HD 7870s(i already have customer, he is waiting for paycheck), i am thinking to return HD 7950, HD 7950 CFX more precisely.

Can anyone give me some words on drivers with HD 7900 in CFX, HD 78xx is pretty bad, esspecially in 2D.

Cheers
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post #16710 of 38701
Just got a Powercolor 7950. Too impatient to test many OCs, I simply set the core to 1100 and upped to voltage to 1.13. No artifacts in the hour I played Crysis 2 this morning. Will post more definitive OC results when I have time.

I came from a 470 with a 40% OC underwater to a 7950 with a 37.5% OC (also under water) after 1 minute. Gotta love cards that are ridiculously underclocked from the factory biggrin.gif
 
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