strange idle temperature for my sapphire 7870 XT

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whiteknights

whiteknights

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Sep 28, 2013
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i installed HD 7870 XT 4 days ago ..and i noticed that idle temps. stays between 33-36c ..but after a couple of hours and without no reason it goes up to 45-46 ! with 0% GPU Load it goes from 35 to 45 after 3 or 4 hours and stays there.
and after powering off my pc for a while..it returns to the normal 33c
what is the reason of that? is that normal?
 
Solution
ingtar33
ok. back from fry's electronics (love that place, thanks for giving me an excuse to check it out again)

I would do several things.

1) move your hard drive so that it's not so close to the gpu.
2) add 3 fans to the case. one on the bottom of the case blowing up. two on the top blowing up. the bottom fan mount has a dust screen, make use of that mount. the top ones are no brainers. lets give the hot air a little push out of the case.
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getochkn

getochkn

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Jul 2, 2006
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could be your case temps building up because you don't have good case airflow, so after a few hours more heat builds up in your case than it can remove, and other components, including the video card heat up. After turning it off, the inside of the case cools, it stays at stock.

A theory anyways, and since you didn't provide any info about your case, fans, cpu, cpu cooler, etc, it's all I can go on.
 
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ingtar33

ingtar33

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Dec 17, 2012
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these two seem to have it... likely a case airflow issue. remember, coolers are only as effective as the surrounding air temps. hotter surrounding air, the hotter the card will get.

if your case isn't venting your gpu will get hotter as time goes on even if you aren't doing anything.
 
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whiteknights

whiteknights

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my case is Thermaltake commander MS-III, not bad at cooling..i have one Fan at the back..but there is something i did..i installed the hard drive almost side by side with the GPU..they are touching each others..could it be the reason?
 
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whiteknights

whiteknights

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the CPU is at a fine degree with the stock fan..its at 35c ..I'm not sure if its the air Temps..because its winter now here ..but I'm concern about installing the HDD very close to the GPU..the surface of the HDD touching the GPU..could that be the reason?
 
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whiteknights

whiteknights

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i just go away from my pc for a 20 minutes and the temps came back to 34 without shut it down !
 
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ingtar33

ingtar33

Glorious
Dec 17, 2012
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ok. back from fry's electronics (love that place, thanks for giving me an excuse to check it out again)

I would do several things.

1) move your hard drive so that it's not so close to the gpu.
2) add 3 fans to the case. one on the bottom of the case blowing up. two on the top blowing up. the bottom fan mount has a dust screen, make use of that mount. the top ones are no brainers. lets give the hot air a little push out of the case.
 
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Solution
whiteknights

whiteknights

Distinguished
Sep 28, 2013
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19,015

thank you ..i moved the hard drive away from the GPU and the temp. cooled down a little bit , and i noticed that i was opening youtube when temps goes to 45 .. gonna try to add one or two fans.
i was thinking to add a side fan instead of the bottom .. i'll see
 
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J

jimbo02816

Honorable
Feb 15, 2013
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Here it is February 2016 and I still have 3 of these cards, 2 of which are crossfired. At 100% fan speed (very loud) I run about 28C at stock speeds and room temperature about 21C. However, my son was just playing COD World at War but left the fan at 20% at stock speeds. The cards heated up to 66C and 69C respectively and computer went black for a bit. He then realized his mistake. These cards can take high temps and I'm actually surprised that the 69C card caused the game to stop. In summer, I have computer back opened facing air conditioner so heat is never a problem. Just point the air conditioner vent toward the GPUs and the CPU. No need for water cooling. Here's a crossfire benchmark for you to check out how good these cards really are.
http://www.3dmark.com/3dm11/10627378
 
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