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[Official] AMD Radeon HD 6850/6870 Owners Thread - Page 534

post #5331 of 6939
has anyone been able to undervolt his 6870? the new trixx software has the option to go below 1.175v but it doesnt seem to work...at least not all the time.
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post #5332 of 6939
I want to know if 58C is an acceptable idle temp for a XFX Radeon HD 6870 DD 1GB? XFX techs are telling me it's normal for these cards to idle up to 65C but they're probably trained to play down problems to decrease the potential for having to honor a warranty. All the idle temps I can find on the net for this card are in the 30's, even the reference card runs idles in the low 40's. Should I RMA or not? Case has plenty or airflow, even running with the side panel off, fans set manually to 100% and a house fan blowing air into the case I get 55C idle. cryingsmiley.gif
post #5333 of 6939
Quote:
Originally Posted by bongpacks View Post

I want to know if 58C is an acceptable idle temp for a XFX Radeon HD 6870 DD 1GB? XFX techs are telling me it's normal for these cards to idle up to 65C but they're probably trained to play down problems to decrease the potential for having to honor a warranty. All the idle temps I can find on the net for this card are in the 30's, even the reference card runs idles in the low 40's. Should I RMA or not? Case has plenty or airflow, even running with the side panel off, fans set manually to 100% and a house fan blowing air into the case I get 55C idle. cryingsmiley.gif

is it stuck in 3d mode?
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post #5334 of 6939
I don't know, runnning dual monitors. Stock clocks, even running single monitor it still idles at around 56C.
post #5335 of 6939
well check and see what the clock and voltage are when its idle
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post #5336 of 6939
GPU clock is at 300MHz, memory clock at 1050MHz. 58C with 42% fan on auto, only voltage i can see with GPU-Z is 1.175 which I believe is stock voltage.
post #5337 of 6939
Quote:
Originally Posted by bongpacks View Post

GPU clock is at 300MHz, memory clock at 1050MHz. 58C with 42% fan on auto, only voltage i can see with GPU-Z is 1.175 which I believe is stock voltage.

Seems like that's the lowest the clocks will go with dual monitors, if I disable one monitor I get clocks of GPU 100MHz and memory 150MHz. Temp drops to 45C. When I have tried to overclock this card just using catalyst control center I can't get it above 950 core with memory at stock and I can't overclock it at all with dual monitors or it goes into an endless loop of driver crashes. 45C still isn't very low considering the reference cards run like 40C-45C and this has dual fans and heatpipes and cost me more $.
post #5338 of 6939
You may need to remove the heatsink and lap it a little bit with some new thermal compound/
Iv seen a 6870 BE with the exposed heat pipes on the block have a very uneven base.
Was so bad that the middle of the core wasnt making contact because the heat pipes stuck up so much more.

Was idling around 55C with max load at 90C. After very light lapp and new thermal compound it was down to 34C idle and max load of 69C.
post #5339 of 6939
I'd RMA it, seeing as the cooler can't provide sufficent cooling.. My 6870 idle'd at like 33c WITH the 6850 running below it. I did notice that i got stuck at the 300/1050 clock quite a bit.. Try closing and re-opening afterburner/restarting your PC. It fixed my issue.

Load i got about 70c
 
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post #5340 of 6939
Doubt they would accept return of it.
My dealings with trying to return cards that run hot are they dont care until its hitting thermal shut down or the fan has run a bearing.
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