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MY CPU GETS TOO HOT WITH MY NEW WATERCOOLING Any insight?

Tags:
  • Water Cooling
  • Stress Test
  • CPUs
Last response: in Overclocking
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September 14, 2014 5:34:07 PM

Hi Everyone i just recently installed a custom watercooling kit into my computer now i brought a waterblock for my 780ti and for some reason when i stress test both my cpu temps reach like 100c
now if i stress test the cpu alone it only goes to about 55c max but with my gpu stress at same time it causes it to heat up very quick.

now i know the way i set it up is that the gpu fuild goes to the cpu block then from there goes to the radiator but i am a bit baffled. :D 

More about : cpu hot watercooling insight

September 14, 2014 5:36:21 PM

MY Specs are

intel i7 4790k
8GB DDR3 Dominator Ram
Geforce 780Ti
EVGA Hadron Hydro Case
EVGA Hydro watercooling kit

now the fans do a good job but stil...
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a c 396 à CPUs
September 14, 2014 5:44:31 PM

Both your cpu temps? What are they?

Is the pump and radiator fans working? What rpm are they running at.

Is the hose kinked where it goes into the top of the radiator? (lloks like it from the photo) Is fluid flowing?

Tried pumping the other way? (from radiator to cpu to gpu to pump to radiator)
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a c 230 à CPUs
September 14, 2014 5:59:29 PM

How large of a radiator are you running? If you stress test the GPU alone how hot does your CPU get?

Realize that you have joined the cooling system for the CPU and GPU, so with the GPU putting heat into the system the coolant is going to be hotter than if the CPU is doing it alone, and since the GPU puts out wayyy more heat its going to raise the coolant temperature a lot. It just seems like you don't have enough radiator area to dissipate ~350W of heat.
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September 14, 2014 6:45:03 PM

Im guessing its either not enough radiator or not a big enough pump or both. Remember your loop just got bigger and you added a whole lot of heat with the gpu.
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a b à CPUs
September 14, 2014 7:02:12 PM

You need to route the water from the gpu to a radiator, then to the cpu. Water is quite warm when it gets to the cpu.
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a b à CPUs
September 15, 2014 2:56:06 PM

Loop order does not matter...not outside of 1-2C at very most.

What pump?
What Radiator? What size is it?
What CPU block?
You mentioned EVGA hydrocopper

Can you link to the 'kit'?

Is coolant moving? You shouldn't be seeing 100C if coolant were moving unless you were seriously low on radiator space (like a single 120mm rad for an overclocked CPU and your 780 Ti is running full bore) or your pump was not pushing coolant.
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September 15, 2014 3:14:37 PM

LookItsRain said:
You need to route the water from the gpu to a radiator, then to the cpu. Water is quite warm when it gets to the cpu.


That's a total myth. The coolant in a loop should be moving fast enough that it wouldn't heat up much more than a degree or two after each component.

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September 21, 2014 3:20:29 AM

i7Baby said:
Both your cpu temps? What are they?

Is the pump and radiator fans working? What rpm are they running at.

Is the hose kinked where it goes into the top of the radiator? (lloks like it from the photo) Is fluid flowing?

Tried pumping the other way? (from radiator to cpu to gpu to pump to radiator)


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September 21, 2014 3:22:00 AM

sry for the late reply i couldnt use a computer in nearly a week :D 
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September 21, 2014 3:23:47 AM

i7Baby said:
Both your cpu temps? What are they?

Is the pump and radiator fans working? What rpm are they running at.

Is the hose kinked where it goes into the top of the radiator? (lloks like it from the photo) Is fluid flowing?

Tried pumping the other way? (from radiator to cpu to gpu to pump to radiator)


oh well the GPU will never go over 50c which is good but the CPU hits like 80c when playing say Crysis 3 but if i were to play games such as dota 2 GPU would sit say on 44c and CPU at 53c.
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September 21, 2014 3:25:47 AM

hunter315 said:
How large of a radiator are you running? If you stress test the GPU alone how hot does your CPU get?

Realize that you have joined the cooling system for the CPU and GPU, so with the GPU putting heat into the system the coolant is going to be hotter than if the CPU is doing it alone, and since the GPU puts out wayyy more heat its going to raise the coolant temperature a lot. It just seems like you don't have enough radiator area to dissipate ~350W of heat.


you could be right i mean ive seen other setups with this config i think the loop is wrong lol and do u think i should just reattach the ACX cooler from EVGA and just use air cooling for gpu and watercooling for this CPU?
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a c 396 à CPUs
September 21, 2014 3:27:18 AM

If you don't want to answer questions, I can't really help.
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September 21, 2014 3:27:39 AM

rubix_1011 said:
Loop order does not matter...not outside of 1-2C at very most.

What pump?
What Radiator? What size is it?
What CPU block?
You mentioned EVGA hydrocopper

Can you link to the 'kit'?

Is coolant moving? You shouldn't be seeing 100C if coolant were moving unless you were seriously low on radiator space (like a single 120mm rad for an overclocked CPU and your 780 Ti is running full bore) or your pump was not pushing coolant.


http://www.newegg.com/Product/Product.aspx?Item=N82E168...
is the link for that kit and all the info should be there :) 

here are the temps for idile: http://puu.sh/bHNG7/acd9b7257a.jpg

and here are for stress test for just CPU using Prime95 64bit: http://puu.sh/bHNM3/a379966fa7.jpg

when the GPU is stress test it max goes 45c i know when i use both that the gpu heat goes into the cpu and there from but if the coolant wasnt moving then it would high very high temps.

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September 21, 2014 3:40:04 AM

i7Baby said:
Both your cpu temps? What are they?

Is the pump and radiator fans working? What rpm are they running at.

Is the hose kinked where it goes into the top of the radiator? (lloks like it from the photo) Is fluid flowing?

Tried pumping the other way? (from radiator to cpu to gpu to pump to radiator)


the radiator RPM is running which i saw on bios at 3500rpm:
2 fans are both running at 1700rpm
3rd question answered :)  the last question i havent tried this method yet i am thinking of doing it today
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a b à CPUs
September 21, 2014 4:06:43 AM

4790k and 780TI & single 240mm ALUMINIUM rad..?

Thats your problem right there, not enough rad for that setup.

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September 21, 2014 6:14:17 AM

Dezmango said:
rubix_1011 said:
Loop order does not matter...not outside of 1-2C at very most.

What pump?
What Radiator? What size is it?
What CPU block?
You mentioned EVGA hydrocopper

Can you link to the 'kit'?

Is coolant moving? You shouldn't be seeing 100C if coolant were moving unless you were seriously low on radiator space (like a single 120mm rad for an overclocked CPU and your 780 Ti is running full bore) or your pump was not pushing coolant.


http://www.newegg.com/Product/Product.aspx?Item=N82E168...
is the link for that kit and all the info should be there :) 

here are the temps for idile: http://puu.sh/bHNG7/acd9b7257a.jpg

and here are for stress test for just CPU using Prime95 64bit: http://puu.sh/bHNM3/a379966fa7.jpg

when the GPU is stress test it max goes 45c i know when i use both that the gpu heat goes into the cpu and there from but if the coolant wasnt moving then it would high very high temps.



Did you remove the clear plastic from the CPU block before you installed it? Happens quite a bit for first timers....
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September 21, 2014 8:59:44 AM

Vellinious said:
Dezmango said:
rubix_1011 said:
Loop order does not matter...not outside of 1-2C at very most.

What pump?
What Radiator? What size is it?
What CPU block?
You mentioned EVGA hydrocopper

Can you link to the 'kit'?

Is coolant moving? You shouldn't be seeing 100C if coolant were moving unless you were seriously low on radiator space (like a single 120mm rad for an overclocked CPU and your 780 Ti is running full bore) or your pump was not pushing coolant.


http://www.newegg.com/Product/Product.aspx?Item=N82E168...
is the link for that kit and all the info should be there :) 

here are the temps for idile: http://puu.sh/bHNG7/acd9b7257a.jpg

and here are for stress test for just CPU using Prime95 64bit: http://puu.sh/bHNM3/a379966fa7.jpg

when the GPU is stress test it max goes 45c i know when i use both that the gpu heat goes into the cpu and there from but if the coolant wasnt moving then it would high very high temps.



Did you remove the clear plastic from the CPU block before you installed it? Happens quite a bit for first timers....


yea i have :D 
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September 21, 2014 9:00:23 AM

chromic said:
4790k and 780TI & single 240mm ALUMINIUM rad..?

Thats your problem right there, not enough rad for that setup.



i was thinking the same thing but because ive seen other setups i though it could work....:( 
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a b à CPUs
September 21, 2014 8:56:11 PM

I had a thick 240mm radiator that worked with an i7 4770k and a pair of gtx 680's but I had decent fans on it. You pretty much just need more radiator or stronger fans and ear plugs.
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a b à CPUs
September 21, 2014 11:03:24 PM

Quick but LOUD fix, throw couple of 4500 rpm gentle typhoons / 4-5000 rpm 120x120x38 delta fans. :D 

They are not that loud... :D 
just use earplugs..and an headset.
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a b à CPUs
September 22, 2014 6:39:59 AM

Main problem with watercooling is that most people either severely over-estimate the radiators needed, or severely under-estimate what is needed.
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a b à CPUs
September 23, 2014 5:44:42 AM

There is no really downsides on over-estimating/overkil rads, only the co$t.
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a b à CPUs
September 23, 2014 6:11:35 AM

Agreed, although mounting them can become an issue, depending on your case and diligence.
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a c 110 à CPUs
September 23, 2014 6:16:34 AM

Dezmango said:
rubix_1011 said:
Loop order does not matter...not outside of 1-2C at very most.

What pump?
What Radiator? What size is it?
What CPU block?
You mentioned EVGA hydrocopper

Can you link to the 'kit'?

Is coolant moving? You shouldn't be seeing 100C if coolant were moving unless you were seriously low on radiator space (like a single 120mm rad for an overclocked CPU and your 780 Ti is running full bore) or your pump was not pushing coolant.


http://www.newegg.com/Product/Product.aspx?Item=N82E168...
is the link for that kit and all the info should be there :) 

here are the temps for idile: http://puu.sh/bHNG7/acd9b7257a.jpg

and here are for stress test for just CPU using Prime95 64bit: http://puu.sh/bHNM3/a379966fa7.jpg

when the GPU is stress test it max goes 45c i know when i use both that the gpu heat goes into the cpu and there from but if the coolant wasnt moving then it would high very high temps.



IMO you sir should be more concerned with your 115c motherboard temperature, you are a classic example of removing the stock air cooler that is cooling the motherboards VRs,
and not supplying a replacement air flow to cool them, you may as well start a stop watch to your motherboard failure because it is coming!

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September 23, 2014 10:04:12 AM


[/quotemsg]

IMO you sir should be more concerned with your 115c motherboard temperature, you are a classic example of removing the stock air cooler that is cooling the motherboards VRs,
and not supplying a replacement air flow to cool them, you may as well start a stop watch to your motherboard failure because it is coming!

[/quotemsg]

hmm i mean i haven't taken off anything diference all ive done is just add this water loop i mean i havent changed anything to the motherboard besides add waterblock to cpu and gpu thats all :D 

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a b à CPUs
September 23, 2014 10:17:33 AM

Quote:
hmm i mean i haven't taken off anything diference all ive done is just add this water loop i mean i havent changed anything to the motherboard besides add waterblock to cpu and gpu thats all :D 


The fact that you no longer have active airflow over your motherboard is probably the reason. When you install a watercooling kit, you still need to have active airflow to cool your remaining components as the CPU fan is primarily responsible for this. When you replace that with a waterblock, obviously you need to compensate by ensuring airflow exists.

No offense, but your smiley face isn't fooling us. Blow a desk fan into the side of your case and see what happens to this temp reading...then turn it off and observe.
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September 23, 2014 12:54:15 PM

The 115c motherboard temp could be a faulty sensor, too. I'd be more inclined to believe that, than the lack of a few CFM of airflow that a cpu cooler would create over a passive heat sink on the VRM. It's not uncommon...

What kind, and how many fans do you have on your radiator? Where are they situated in the case? How many other fans do you have going in the case? In / out? Total CFM in as opposed to total CFM out?
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