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Are these CPU temperatures safe/normal?

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  • CPUs
Last response: in CPUs
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July 24, 2013 10:58:43 AM

Hey guys,

I recently built my first rig using a AMD FX-8120 CPU and its stock fan. It's been working great, but the fan quickly gets really loud even during idle, so i thought I'd boot into my motherboard's bios screen and see how the temperatures progress.

When I start it up, the CPU temperature is around 41c and the fan is going at about 2072 RPM. But then within about five minutes the temperature has gone up to 46c and fan is at 5000 RPM. From there it started to level off, reaching 48c and 5625 RPM about 20 minutes later.

What concerns me is that these are the temperatures for when it is completely idle without the OS even being booted yet! Are these temperatures ok?

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a c 375 à CPUs
July 24, 2013 11:05:11 AM

Stock amd coolers are next to worthless, so that is probably the source of the issue. My cpu runs 50C idle with 5000 rpms with my stock cooler.
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a c 198 à CPUs
July 24, 2013 11:06:59 AM

the idle temps are poor, but about what you can expect with the stock fan. the stock fan isn't really up to cooling an 8core fx cpu. spend a little money on a hyper evo 212 and you should be ok.
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a c 149 à CPUs
July 24, 2013 11:16:58 AM

They're below max, which I believe is 61C.

Get a hold some third party temperature monitoring programs, like Speedfan, HWMonitor, or Core Temp, so you can view your idle temps when fully booted into the OS. Then, if you want, you can download Prime95 to stress test your CPU to get a good idea of max load temperatures.
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July 24, 2013 11:51:49 AM

Yeah I've been thinking of getting an aftermarket cpu fan, but I was wanting to make sure that none of my parts were defective because I am pretty sure that aftermarket fans void my cpu's warranty. So to confirm: I shouldn't be worried that my cpu or motherboard is bad, right?
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a c 375 à CPUs
July 24, 2013 11:53:49 AM

The board and cpu should be fine, its just that cooler most likely.
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July 24, 2013 12:10:02 PM

Calculatron said:
They're below max, which I believe is 61C.

Get a hold some third party temperature monitoring programs, like Speedfan, HWMonitor, or Core Temp, so you can view your idle temps when fully booted into the OS. Then, if you want, you can download Prime95 to stress test your CPU to get a good idea of max load temperatures.


Yeah, what is prime95? I've heard it mentioned a lot. What are the benefits of using it and could it actually hurt my pc?
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a c 375 à CPUs
July 24, 2013 1:10:10 PM

It just stress tests your cpu. It shouldnt cause any damage, it just pushes the cpu as far and fast as it can go.
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