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Is it possible for a CPU to be slightly cooler than Room Temperature?

jem.graham
By jem.graham
in Cooling
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I finished building my pc a week ago and my CPU hovers around 16/18 Degrees idle. I really don't know how it can be lower than room temperature as I've only got a H110i GT cooling it.

Any suggestions?

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what are you measuring it with?

Don't ask to ask, just ask... please 🤨

sudo chmod -R 000 /*

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Not unless you just changed the laws of phsyics.

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It is but you dont want it to be because that causes condensation which equals water and water & electronics dont mix very well

Ah, yes I did think about that

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essentially no (i could go into thermodynamics but i might bore you :P) either the temp in your house is lower than what you would consider room temp or the thing thats monitoring  it is off

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Shouldn't be possible. I've had the same thing with my H80i though and the sensors on that, they seem to be a bit weird.

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Not unless you just changed the laws of phsyics.

Don't remember doing that. Might be a faulty temp node within the CPU

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no way that this is the case if you are cooling it with air / liquid -> faulty sensors?

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Not unless you just changed the laws of phsyics.

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essentially no (i could go into thermodynamics but i might bore you :P) either the temp in your house is lower than what you would consider room temp or the thing thats monitoring  it is off

Haha, I'd probably find it quite interesting :) . But I think it could be a temp node in the CPU or water cooler. It happened in my old cpu where I was getting reading of like 6 degrees haha

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I finished building my pc a week ago and my CPU hovers around 16/18 Degrees idle. I really don't know how it can be lower than room temperature as I've only got a H110i GT cooling it.

Any suggestions?

heatsinks can only cool down to the temperature of the  material being sinked into (air)

only TEC and phase change (which includes LN2 and DICE) can cool below ambient, which is pretty exotic and not practical for a 24/7 OC

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Is it that temp under load? How cold is it in your house. 18 degrees C isn't "that" cold. It's like 60 degrees f. And it's winter. Or maybe your thermometer in your cpu is bugged.

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Haha, I'd probably find it quite interesting :) . But I think it could be a temp node in the CPU or water cooler. It happened in my old cpu where I was getting reading of like 6 degrees haha

I've had 0 degrees at idle many times. I bet CPU-Z is off.

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Is it that temp under load? How cold is it in your house. 18 degrees C isn't "that" cold. It's like 60 degrees f. And it's winter. Or maybe your thermometer in your cpu is bugged.

he lives in England so it would not be a conversion problem between Celsius and fahrenheit

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Is it that temp under load? How cold is it in your house. 18 degrees C isn't "that" cold. It's like 60 degrees f. And it's winter. Or maybe your thermometer in your cpu is bugged.

I'm really not sure of my room temp, I was just going off average. Maybe my room is just really god damn cold.

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I'm really not sure of my room temp, I was just going off average. Maybe my room is just really god damn cold.

i would say if your temp probes are not off thats the most likely possibility 

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NZXT Cam and HWmonitor

 

Some reading must be off, because it's physically impossible for a radiator to cool water below room temperature. A phase change cooling system can do it, but not an h110i.

 

Or, your room is 14°C.

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sudo chmod -R 000 /*

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Lower than room temperature? Are you on LN2?

Would you by any chance have 40 Corsair SP fans on it by any chance?

 

 

CPU temperature sensor reading is not accurate at lower temperatures.

The temperature sensor is there to prevent heat damage to the die and throttle it down.

The reading is actually in Tdelta from Tj and it is designed to be very precise at temperature close to Tj which for Intel CPUs would be 95*C~100*C depending on the model.

They aren't very accurate at low temperatures and might have +/-5*C error readings on idle or even more.

 

 

For more detailed info look at: http://www.tomshardware.co.uk/forum/id-1800828/intel-temperature-guide.html
 

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