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H100i Water and CPU temp difference


RhooK20

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Hey guys it's been bugging me for a long time now and I feel like somethings off.

 

My CPU and water temp has a big difference for me, according to Corsair Link, CPU Temp is 42-44C and Water Temp is around 37-38C at idle, I was expecting that they should be around the same temp since CPU usage is less than 10%.

 

Is this normal or something is really off, I don't have any problems under load though, it just keeps bugging me

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You can expect about 5 to 6 degrees difference between the water temp and CPU on idle.

My ambient room temp is 26c and my water temp is showing 32c on idle. Cpu is 36c. This all depends on the ambient air temp passing through the rad.

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the more load your run,the bigger difference there will be,try it

 

I have no issues under load and it runs great, I was just wondering during idle how big of a difference it should when idle have since close to none is running. It seems with air cooling I had before (CM Hyper 212+) the cpu temp is lower at idle but higher during load.

 

CPU is i5-2500K running at stock at the moment if this helps.

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I have no issues under load and it runs great, I was just wondering during idle how big of a difference it should when idle have since close to none is running. It seems with air cooling I had before (CM Hyper 212+) the cpu temp is lower at idle but higher during load.

 

CPU is i5-2500K running at stock at the moment if this helps.

 

it really sounds like you should learn the ins/out of water cooling and such,of course this is why those like myself are here to help how we can

an example of cpu/water temp --lets say your idling at 34 water and 38 cpu,you then pull a 100% load and initially your water temp hangs nearly the same but your cpu instantly jumps to @55c,,keep this load and your cpu temps should level out while your water temp will slowly rise till it levels out,,,this is a good working system while one that isnt up to par .,the cpu or water temp wont level out but will continue to rise...

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it really sounds like you should learn the ins/out of water cooling and such,of course this is why those like myself are here to help how we can

an example of cpu/water temp --lets say your idling at 34 water and 38 cpu,you then pull a 100% load and initially your water temp hangs nearly the same but your cpu instantly jumps to @55c,,keep this load and your cpu temps should level out while your water temp will slowly rise till it levels out,,,this is a good working system while one that isnt up to par .,the cpu or water temp wont level out but will continue to rise...

 

Yes I have a lot to learn with water cooling although I have a bit of understanding how water cooling works.

 

Well the point of this thread is really just idle since that's the only thing that seems "wrong" with me, and by idle I mean, I leave my system on idle for more than 2 hours and the water and cpu temp is always around 5C apart and never close. aside from that, everything is good.

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I leave my system on idle for more than 2 hours and the water and cpu temp is always around 5C apart and never close. aside from that, everything is good.

 

they will never be the same temp

think of it this way

the cpu produces the heat

the hydro dissipates it

heat will always be hotter at its source ...

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