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Thread: How hot is too hot?

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    HSK
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    Question How hot is too hot?

    I was just wondering what is considered, too hot when it comes to most CPU's and GPU's?


    Im running a Quad core 2.4, it idles at around 30*c and the GPU idles around 45*c / in use around 50*c CPU and 61*c GPU - It's doesnt have a fan.

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    Re: How hot is too hot?

    What is the rest of your system and what are you using to mesure the cpu temp?

    But temps sound fine.

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    Re: How hot is too hot?

    They seem fine to me, depends on your hardware of course, my HD3870 idles around 46 and at load have seen it @86

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    Re: How hot is too hot?

    other hardware is:
    CRUCIAL: 2x1GB 240DIMM PC2-6400 DDR2
    GIGABYTE : GeForce 8600GT 256MB PCIE
    Gigabyte GA-P35C-DS3R, P35PCS 330169
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    Western Digital Caviar 80GB IDE2MB 5400RPM
    Samsung SATA DVD writer
    2 x antec 80mm tri-cool 1 x antec 120mm tri-cool

    I used Everest Ultimate Edition to get the temps

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    Re: How hot is too hot?

    can GPU's handle higher temps compared to CPU's?

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    Re: How hot is too hot?

    GPU's can and do take more thans CPU's yes.

    CPU's are normally rated to 70 degree's or less these days where GPU's are low 100's normally although problems can start to occur around 90.

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    Re: How hot is too hot?

    The newer GPU,s all seem to run a lot hotter with the standered coolers on. ATI seem to be comfortable with them running at load at about 90c. Not sure about fanless GPU's though as i have never used one.
    Most people will be happy with their CPU's temp in the 50's under load. Do you have a after marker cooler?
    I use coretemp ( as most of us do ) to monitor the CPU.

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    Re: How hot is too hot?

    People should be careful to define what temperature they are talking about.

    For instance on a Q6600, 70 degrees C might be a rather hot, but otherwise in spec temperature for one of the cores to be running at. However, 70.C case temperature (at the centre of the CPU package), would imply a core temp as high as ~85.C, which is meltdown territory.

    On my Abit mobo, uGuru reports case temp (currently 41.C on mine right now), whereas CoreTemp reports the temperatures inside the individual cores. Right now for me these are: 54, 52, 49, 47 degrees C.

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    Re: How hot is too hot?

    Quote Originally Posted by hse180 View Post
    The newer GPU,s all seem to run a lot hotter with the standered coolers on. ATI seem to be comfortable with them running at load at about 90c. Not sure about fanless GPU's though as i have never used one.
    Most people will be happy with their CPU's temp in the 50's under load. Do you have a after marker cooler?
    I use coretemp ( as most of us do ) to monitor the CPU.
    I've never used a fan-less one either, until now...the whole card is covered with a flat heatsink...runs well, but i had to stick in a couple of fans just incase, and to get sum air flow goin through the case.

    an after market cooler? no, im just using the stock cooler at the moment, that came with the CPU - i guess thats fine as i doubt i would over clock etc all the time.

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    Re: How hot is too hot?

    Quote Originally Posted by Fraz View Post
    People should be careful to define what temperature they are talking about.

    For instance on a Q6600, 70 degrees C might be a rather hot, but otherwise in spec temperature for one of the cores to be running at. However, 70.C case temperature (at the centre of the CPU package), would imply a core temp as high as ~85.C, which is meltdown territory.

    On my Abit mobo, uGuru reports case temp (currently 41.C on mine right now), whereas CoreTemp reports the temperatures inside the individual cores. Right now for me these are: 54, 52, 49, 47 degrees C.
    so really, to be on the safe side you should pay more attention to these core temps... rather then the general case temp indicated...

    at the moment i've got it set to alarm as soon as it hits 60*c...but im guessing that bios setting only measures the case temp?

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    Re: How hot is too hot?

    Quote Originally Posted by HSK View Post
    so really, to be on the safe side you should pay more attention to these core temps... rather then the general case temp indicated...

    at the moment i've got it set to alarm as soon as it hits 60*c...but im guessing that bios setting only measures the case temp?
    Yup - probably right. 60.C case temp is still prob not a bad number for an alarm - it'll be about 70.C in one or more of the cores. Hot, but not dangerously so.

    If I remember rightly, a core in a Q6600 G0 can take temps for short periods of time up to 100.C (the max "Junction" temp). Over that - even if only briefly - and you risk the CPU being permanently screwed. The datasheet says that in general, the case temp should not exceed ~70 degrees - so I think your alarms are set about right

    (The above numbers are all different if you've got a older Q6600 - i.e. a B3 stepping)
    Last edited by Fraz; 11-12-2007 at 07:29 PM.

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