FX-8350 + Corsair H100i, too cold?

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Dysenteriae

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Nov 22, 2013
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Hey there!

I just completed my first build, and I have a AMD FX-8350 processor, mounted on a gigabyte 990fxa-ud5 board.

I picked up a Corsair H100i (the 240mm rad dual fan) just because I got a great black friday sale price on it.

According to HWmonitor, Corsair Link, and Core temp the fx-8350 idles at around 5 degrees, with the coolant temperature in corsair link saying about 19 degrees. This is not OC'd yet.

When I play BF4 on ultra, the temperature in all the programs goes up to about 25-28, while the coolant temperature goes up to about 30 degrees.

My question is, are all these programs reading my processor temp wrong? The temperatures are consistent across monitoring programs, and the coolant flucuates in patterns similar to load usage.

I ask because I know this liquid cooler is large and high performance and I havn't started OC'ing yet.

If this is a true reading, is idling around 5-7 degrees bad for the processor / will it cause damage?
 
Solution
lchrisk
This is no where near too cold. You should watch the youtube videos where they use liquid nitrogen or whatever and it gets in the -'s.

Overclock that bad boy!
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robo7425

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Jun 8, 2010
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The temps listed as 5-7C doesn't seem likely. This would be just above freezing. Are you somehow chilling the radiator in the H100? A typical ambient temp indoors would be around 21C. Water cooling shouldn't be able to go below the ambient room temp without an additional cooling source.
 
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Dysenteriae

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Nov 22, 2013
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I live in a basement so it is a little cooler than normal, but no I don't have anything special cooling the system, just lots of fans pushing up to and pulling through the rad. The coolant temp being a little below room temperature can make sense but I was confused about the CPU being so much colder than the coolant temp
 
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robo7425

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Jun 8, 2010
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neither should be lower then the ambient temps. The temps might show lower based on the accuracy of the sensor. ie +/- 1c accuracy. There is no way your processor temps can be 5-7c unless the room is the same. ( 7c = 44.6F not sure where you are located).
 
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vtechiswack

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Feb 4, 2014
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I have the same setup:

AMD FX-8350
Corsair H100i
8gb Corsair Vengeance DDR3 Ram
Gigabyte 990FXA-UD3
Sapphire Radeon 7950 Reference

All programs before installing the H100i showed cpu temeratures idling around 16-19 C....

Im looking at all these programs as I am writing this and they are all showing an idle of 6 degrees Celsius

I can confirm with the OP
 
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Digital Shrapnel

Digital Shrapnel

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May 30, 2013
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Bro the 8350's temperature sensors give an inaccurate reading under about 40 degrees Celsius. I also use HW monitor and usually get temps like 18 degrees with my 212 EVO when idling even though the temps in the bios say 25-30 degrees during boot up.
 
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gonf

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Jun 17, 2008
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think of it as your "Room temperature" there is no way your cpu be lower then that. with everything off. your cpu will be at room temperature. which in most home 19-23C. with cpu power on with idle it will be about 30C. with full load it should be some what under 60C.
there is no way you can get 7C unless your room temp is 0C or you put your computer outside in the Canada winter.
unless you are reading the Temp wrong. is that the 7C cpu thermal margin?
Please READ THIS http://www.tomshardware.com/faq/id-2122665/understanding-temperature-amd-cpus-apus.html
 
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