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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1318

post #13171 of 38704
Quote:
Originally Posted by eternal7trance View Post

What temps do you get if you do that and what ambient temps do you have?
Mine hits around 80c with no overclock and the ambient temp is around 27c. Seems hot as hell.

That is extremely hot for stock clocks. I hit 72c max load on furmark with a custom fan profile. Ambient is right around 24-25c
    
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post #13172 of 38704
Quote:
Originally Posted by FtW 420 View Post

I was testing with this the other day, with the power limit at 0 I was running 1300 core/1800 memory for multiple benches, I tried setting to +20 & It was unstable in everything. Reset to 0 power limit again, & the card was happily doing 1300/1800 once more.
Seems confusing that higher power limit does lower clocks...

This have something to do on my findings with lower voltages, you try using lower voltages with power limit at 0 at those same clocks?
post #13173 of 38704
Quote:
Originally Posted by darkstar585 View Post

Up your ram speed it will improve your physics score quite considerably.

How much do you need to increase ram speed to really make much of a difference? I bumped my ram from 1333 to 1866 and it made less than 100 point difference in 3dm11 (on my AMD rig)
post #13174 of 38704
Quote:
Originally Posted by vonalka View Post

How much do you need to increase ram speed to really make much of a difference? I bumped my ram from 1333 to 1866 and it made less than 100 point difference in 3dm11 (on my AMD rig)

ops, amd.. :/
post #13175 of 38704
Quote:
Originally Posted by vonalka View Post

How much do you need to increase ram speed to really make much of a difference? I bumped my ram from 1333 to 1866 and it made less than 100 point difference in 3dm11 (on my AMD rig)

Doesn't seem to have the same affect on AMD systems I am afraid. redface.gif Upping your northbridge + tightening ram timings seems to have a more positive result though. thumb.gif

On intel sandy bridge systems, I have found that ram timings don't seem to improve anything much really. So for 3dmark it is better to loosen off the timings and run at a higher frequency...it boosted my physics score considerably. (500 points +)

Click the Pscore link in my sig...that shows that i was using my cheap corsair xms3 ram overclocked and loosened to 1900mhz and I scored pretty decent physics considering I was only at 4.8 on my 2600k.
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post #13176 of 38704
Thread Starter 
Quote:
Originally Posted by Thracks View Post

Anybody who has to disable hardware acceleration to fix stuff like YouTube probably has a defective UVD block on their GPU and should look into RMAing their board.

I think it's a driver issue in my case. 

Unless both of my 7970's bought months apart have the exact same issue (I tested them individually). 

12.6 and 12.7 Beta both have artifacts with video hardware accelerated HD movies through VLC. 

I tried RC11 and the artifacts were gone and I know for certain hardware acceleration was working. 

 

I think it's worth a try to revert to earlier drivers to see if it's a hardware or software issue. 

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post #13177 of 38704
Quote:
Originally Posted by Evil Penguin View Post

I think it's a driver issue in my case. 
Unless both of my 7970's bought months apart have the exact same issue (I tested them individually). 
12.6 and 12.7 Beta both have artifacts with video hardware accelerated HD movies through VLC. 
I tried RC11 and the artifacts were gone and I know for certain hardware acceleration was working. 

I think it's worth a try to revert to earlier drivers to see if it's a hardware or software issue. 

Im alittle worse off then that,,

I get Teal screen and full system lock up.. Only when web surfing with hardware accel on... Ima rma this Power color and get a Sapphire.. atleast it is from a better company..

The only new element in my rig is the 7970.. so i know it is nothing else.
Edited by Hokies83 - 7/11/12 at 12:02pm
    
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post #13178 of 38704
Thread Starter 
Quote:
Originally Posted by Hokies83 View Post


Im alittle worse off then that,,
I get Teal screen and full system lock up.. Only when web surfing with hardware accel on... Ima rma this Power color and get a Sapphire.. atleast it is from a better company..
The only new element in my rig is the 7970.. so i know it is nothing else.

Try seeing if VLC does the same thing (just be sure to enable hardware acceleration). 

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post #13179 of 38704
Quote:
Originally Posted by Evil Penguin View Post

Try seeing if VLC does the same thing (just be sure to enable hardware acceleration). 
VLC Media Player?
    
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post #13180 of 38704
Thread Starter 
Quote:
Originally Posted by Hokies83 View Post

VLC Media Player?

Yessir. 

Just install it, go through your preferences and Inputs&Codecs then check "Use GPU enabled decoding".

From there play a video and see how it works for you. 

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