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strange idle temperature for my sapphire 7870 XT

Last response: in Graphics & Displays
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November 16, 2013 9:40:21 AM

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?
a b À AMD
November 16, 2013 9:44:06 AM

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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a c 104 À AMD
November 16, 2013 9:46:37 AM

Try removing the side panel on the case and see if the temps stay or do the same thing and rise. That will tell you if you need additional case fans for air flow.
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a b À AMD
November 16, 2013 9:53:32 AM

getochkn said:
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.


inzone said:
Try removing the side panel on the case and see if the temps stay or do the same thing and rise. That will tell you if you need additional case fans for air flow.


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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November 16, 2013 10:59:40 AM

getochkn said:
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.


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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November 16, 2013 11:04:47 AM

ingtar33 said:
getochkn said:
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.


inzone said:
Try removing the side panel on the case and see if the temps stay or do the same thing and rise. That will tell you if you need additional case fans for air flow.


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.


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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November 16, 2013 11:41:41 AM

inzone said:
Try removing the side panel on the case and see if the temps stay or do the same thing and rise. That will tell you if you need additional case fans for air flow.


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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a b À AMD
November 17, 2013 12:33:11 PM

  • yeah... you have an airflow issue; let me check out your case at my local computer store. i'll have some ideas for improving case airflow when i get back.
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    Best solution

    a b À AMD
    November 17, 2013 4:16:12 PM

    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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    November 19, 2013 3:53:34 AM

    ingtar33 said:
    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.

    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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