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cpu overheating

N

niggles

Senior member
Hi all, just wondering, I recently purchased a new GPU and now my i5 is overheating. I'm thinking this new 6950 produces more heat than my old 275GTX. I intend to get a better fan than the stock intel fan that the CPU shipped with... but if it's overheating is it indicative of a cpu that's about to fail? I'm finding it in the 75 Celcius range. Would anyone be able to provide their thoughts?
 
Sounds like you need more air exhaust on the top. What case do you have and how is your fan layout on your case?
 
Heat rises or follows the direction of the airflow and most exhaust fans would be at the top or at the back so the CPU overheating can be attributed to the GPU releasing more heat. That also depends if your GTX275 is a blower style that exhausts all the heat out through the vents but if your HD6950 has a manufacturer proprietary heatsink, then all that hot air gets exhausted into the casing.

At 75C, the CPU will not fail or overheat yet but the lower the temps, the better it would be. Get the CM Hyper212 Evo, it is cheap and should solve the heating problem.
 
I had the same problem with the i5 2500 with stock fan. i have a CM elite 430 cabinet. i have 3 fans installed, one in front for intake , one on the side not over the cpu but over the gpu , and one exhaust on the rear.

my cpu temps were reaching 78c on load with the stock fan. Then i bought the CM hyper 212 evo. lovely priced and lovely results.

i did the intel burn test with the stock fan the max temp was 79c , then i did the same test with hyper 212 evo and i could not believe myself when i saw the results, the max temp was 52c.

so get one soon.. also put some case fans!!
 
Thanks so much guys for the info... wow, just wow. I find it funny, I went out before I read the replies deciding that it must be true heat because I can see the heat dispate in the bios, especially if I blow some canned air on the stock heat sink... I say wow because I actually bought the fan you guys are talking about, I have yet to install it though.

I don't think it's the PC case, it's a CM Storm... I've attached an image if you're not familiar, but it's a 3 fan case and the airflow is pretty good, although not perfect.

http://h.imagehost.org/0905/ActualAirflow.jpg

thanks again for the great replies.
 
niggles said:
I don't think it's the PC case, it's a CM Storm... I've attached an image if you're not familiar, but it's a 3 fan case and the airflow is pretty good, although not perfect.

http://h.imagehost.org/0905/ActualAirflow.jpg
Click to expand...

yeah its a pretty good case , much identical to my elite 430 actually even better. Congrats, Good thing you bought the hyper 212, you will surely love it trust me.

I'll pray that you get to fit the cooler easily 🙂 just a small piece of advice, ofcourse you will have to take the motherboard out for placing the back panel of the cooler, fix the cooler in place outside of the cabinet, it was much easier for me that way.
 
The intel stock cooler is a basket case for the quad core chips.

For any quad core build amd or intel i would avoid the lousy stock cooler at all cost.
 
great comments, Just a further update for anyone with a similar issue though.
1. the instructions for the heat sink fan are really good and really bad, the tech writer deserves a rap on the knuckles. I considered taking it apart and putting up a youtube vid to show the installation as a couple of the directions are ambiguous.
2. I was mostly lucky having the case that I have as the bottom panel of the case allows access to the motherboard and I was *just* able to squeeze the nuts into place on the retaining bolts. I say *just* because the one was a bit of a squeeze, and the other that was close to the panel bezel was about a micro-millimeter from not being able to tighten at all. It did tighten, but it also slipped a couple of times stripping the bolt edges ever so slightly. If I have to take this thing off I'm certainly going to need to pull the entire mobo out though. Still, it was much easier than taking the hole assembly apart.

final note, the unloaded temp right now is around 35 degrees celcius, and the loaded temperature running BF3 and having the i5 overclocked using ROG to it's highest end was about 43 degrees... amazing cooling solution... I'm a fan... please excuse the pun. 🙂
 
43 degrees on load? Gotta say sexy airflow.. 😛 my cpu touches 50 with games like gta 4, haven't tried bf3 yet. Well, it also depends on the ambient temps which is 18c in my area.

i beat you on idle temps though lol 😛 mine stays around 29c-31c. none the less awesome load temps, mine touches 50c never crosses that, so i am also happy 🙂
 
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