Concerned about CPU Tempretures

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RigorMorris

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Jul 29, 2017
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I just build my first new PC and I'm currently using a Intel i7 7700K with the Corsair H115i Extreme Cooler and under only 10% to 20% load the CPU is averaging at about 50 degrees celcius, this seems to be unusually high and the air coming from the radiator feels cool. I'm concerned that I may have not installed the Pump Correctly and the energy is not being conducted from the CPU to the Pump sink surface, even when the Fans are turned to maximum there is no effect on the tempreture.

I took a screenshot of Corsair Link http://i61.photobucket.com/albums/h61/Peridot-2F5L-5XG/Capture_zpsbbgbtjzo.png

I was hoping some more experienced builders could look over this and recommend what I should do.
Thankyou in advance.
 
Solution
geofelt
By idle, I mean just sitting on the desktop.
If you have not implemented speedstep, CPU-Z will show the default multiplier of 42.
Speedstep allows the multiplier and associated vcore to drop when not much is going on.
At idle, you should see a multiplier of about 8 and a vcore of around 0.7

Do not be overly worried about heat.
The cpu will slow down or shut off to protect itself if it should reach 100c.
The thing to watch is your vcore under load. It should not get past about 1.4v.

I7-7700K is plenty fast at stock, so no overclocking is really necessary.
If you do overclock, how well you do will be determined by your luck in getting a good chip.

As of 6/9/17
What percent can get an overclock at a somewhat sane 1.4v Vcore.

I7-7700K...
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Under full load? I don't know, I've not yet used the PC for gaming or anything else for that matter, I've only just got it working.
 
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use software like prime 95 or stress test your cpu
 
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Is it safe to do that if the cooler is not attached properly? I don't mind having to refit the cooler, I would rather try that than risk damage to the CPU, I think I did apply too much Thermal Compound when I placed down the cooler I used Arctic Silver 5 and I did have to apply it twice as the first time the cooler slipped to the side while I was fitting it.
 
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Sounds as if the pump isn't correctly seated or you have simply forgotten to connect one of the cables, first run through the installation manual and check you have connected the cables correctly, if they are then remove the pump and reseat it. Be aware, you MUST replace the thermal paste, reusing the pre applied paste is almost certainly going to leave voids in the coverage, the last thing you'll want to do with a i7 7700K!
 
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Yes of course, I wouldn't even dream of doing that!
That would leave air between the CPU and the pump which would spell disaster. The only annoying thing is having to clean it all off which takes quite some time but better than that overheating.
I'm going to go refit the cooler and see if there is a difference.
 
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What is your ambient temperature?
I would expect that you would see 10-15c. over ambient at idle if all is working well.

Your temperatures do not seem to be out of line.

What is the rest of your parts?
Is your radiator mounted to draw in outside air or does the intake come from inside the case.
Either can work with tradeoffs.

Any cooler needs a supply of fresh air to do its job.
 
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It might be either because you did not install your cooler/thermal taste properly or because you got a bad chip

You have no idea of how many people that report to have ramdom temperature spikes because the 7700K has bad thermal paste on it.

Many people delid the i7 to get lower temps, which is basically removing the IHS from the CPU but I don't really recommend doing this especially if you are not experienced because it voids your warranty and in case you make a mistake you might damage your CPU making it unusable
 
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I refitted the Cooler and spent a few hours cleaning the thermal paste completely off it, when I removed the cooler a tiny bit of the paste had spilled over the edges and I cleaned that up and added less this time. I also made sure the secure the pump more tightly and now the ambient temperature seems to average around 30 degrees Celsius but still fluctuates very rapidly and peaks randomly to 59 degrees and this is under very low load.
 
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I'm not certain what load would count as idle but under only a 4 to 14% load the temperature ranges from 44 to 29 degrees Celsius, I don't know why the temperature fluctuates so rapidly.

The rest of my Parts are the Strix Z270E Motherboard
and Asus Strix GTX 1080Ti 11GB OC ROG GPU and 16GB of Corsair Vengance RAM

The Radiator is mounted to the top of the case in a push configuration.
 
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Under a constant load of 14% temperature increases to over 50 degrees and the cooler temperature is only 27,2 degrees, so obviously something is very wrong but I have no idea what more I can do apart from cleaning it a third time and refitting the cooler again but I don't think that will work, I followed the instructions on the H115i manual directly and fitted the cooler again and all the cables are fit into their correct locations but whatever the problem is it is clearly beyond my level of skill and I don't know what more to do.
 
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Again, the 7700K GETS VERY HOT

If you did everything you were told and you are still having those problems that means you got a bad sample of the cheap.

https://www.youtube.com/watch?v=bQ4LlBPX3TU

Do you see? Everyone has been discussing it since long time, Intel uses sh*t thermal paste between the die and the IHS (internal heat spreader) so even at stock you should see higher temps than usual.

For now just stick to those temps they are completely safe. Unless you want to delid it but it voids your warranty and if you are not experienced you might damage your cheap so I don't recommend doing it if you are new to PC gaming, do it under your own risk
 
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What is vcore? Is it set to manual or auto?

What are ambient temps(room temp, air entering case temp)?

What case are you using and how many and what model fans? This is important considering you have an open air cooled card and that your cooler is mounted in the roof of case.

44 to 29 degrees Celsius, seems about normal for these chips, a couple of background processes will raise temps.

To test thermal solution you really need to put chip under stress. Prime 95 ver. 26.6 small fft. Keep an eye on temps and discontinue testing if temps exceed mid to high 80's.

Take a look through this, http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

This may benefit you also, http://www.overclock.net/t/1491876/ways-to-better-cooling-airflow-cooler-fan-data#post_22319249


 
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By idle, I mean just sitting on the desktop.
If you have not implemented speedstep, CPU-Z will show the default multiplier of 42.
Speedstep allows the multiplier and associated vcore to drop when not much is going on.
At idle, you should see a multiplier of about 8 and a vcore of around 0.7

Do not be overly worried about heat.
The cpu will slow down or shut off to protect itself if it should reach 100c.
The thing to watch is your vcore under load. It should not get past about 1.4v.

I7-7700K is plenty fast at stock, so no overclocking is really necessary.
If you do overclock, how well you do will be determined by your luck in getting a good chip.

As of 6/9/17
What percent can get an overclock at a somewhat sane 1.4v Vcore.

I7-7700K
4.9 83%
5.0 62%
5.1 29%
5.2 6%
 
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