Cpu temp question/

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Alan11985

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I have a pre binned i7 7700k from overclockers clocked at 5 ghz at 1.34 volts. It runs at 80-83 degrees in prime 95 non avx but when I played a game the other day it hit 82 without it being on 100% load but I don't know if that was constant if it was just a peak temp. The graphics card hit 71 during same time and the cpu is a custom loop with 240mm radiator.
I have a few questions about it it all
1. Is this ok temps even while gaming as graphics card has the radiator above it and heat rises
2. In Asus ai suite it shows cpu temps as about 10 degrees lower than hw monitor and I have an Asus motherboard so is it correct
3. I set voltage to 1.34 but it shows max voltage hit in hw monitor as 1.36 so what is happening here.
4. When I set below 1.34 I get BSOD of System service exeption and irql not less or equal. I thought it would just get black and restart if voltage was too low as I have experienced with other pcs.
 
Solution
madmatt30
CPU voltage - automatic llc compensating.

Temps ? - trust ai suite much more than hwmonitor.
The 7700 is prone to irregular temp/voltage spikes .

Use hwinfo instead & you can get an average.
Or MSI afterburner & rivatuner Or nzxtcam to get an osd in game.

GPU temp at 71c - that's fine under prolonged heavy load , worry when it gets over 80c constantly.

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CompuTronix

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MERGED QUESTION
Question from Alan11985 : "I7 7700k Delidded temps?"



 
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Alan11985

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I can access this for some reason and it doesn't appear in my account and I can't find it again.
 
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madmatt30

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CPU voltage - automatic llc compensating.

Temps ? - trust ai suite much more than hwmonitor.
The 7700 is prone to irregular temp/voltage spikes .

Use hwinfo instead & you can get an average.
Or MSI afterburner & rivatuner Or nzxtcam to get an osd in game.

GPU temp at 71c - that's fine under prolonged heavy load , worry when it gets over 80c constantly.

 
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Solution
mcnumpty23

mcnumpty23

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1---82c is a bit hot with a custom loop if its constant--but depends on pump speed and fan speed--as said 7700k does do very fast spikes now and then

2--AI suite always reads 10c or so lower than any other software for some reason

3--as said llc makes the slight difference in voltage set to actual voltage in windows

4--its making your overclock unstable--1.36v is very low/really good cpu for 5ghz so no surprise dropping it even a tiny bit makes it crash
 
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lumineZ

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1. If you run 5GHz and a custom loop. Then you should also have delided the cpu and swaped the thermal grease intel uses to liquid metal.
Running stock TIM on the 7700k you should be pretty happy that you can even run 5GHz with the temps you got.

2. From my experience the AI suit is slower in reading temps than HWMonitor. So I would trust HWMonitor over the Ai suit

3. That has already been answered.

4. Your current CPU will not function with a lower Vcore @ 5GHz.
 
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Alan11985

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It is delidded by overclockers UK before I bought it
 
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mcnumpty23

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then it might just have been a 82c spike

if you tell gpuz to log to text file after playing a game you can look to see temps

and overclockers definitely gave you a good binned cpu thats a real nice low voltage for 5ghz

 
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lumineZ

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Chicken :D
na I am just kidding :) I know its an optional choice but then again. The gain you get is in my book worth the risk (and with the tools today its close to no risk)

Alan11985
What??? your cpu is already delided and you have the temps you have??

I run 5GHz @ 1.312 Vcore and I never ever go over 61-62 degree celcius during a toture test. And I also have a custom loop and the cpu is delided.

But for the fun of it I will do a test later tonight setting my Vcore to 1.36 just to make sure I run the same or higher settings than you. And I will post my temps then. Just to see whats what.


 
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madmatt30

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You say Cust loop but is that incorporating the GPU also ??
If so then you're plainly going to get higher temps than someone just running a water cooled CPU.

On another note if this was factory oc by overclockers they will have saved it as a bios profile

Do not alter & save to that same profile if you value the after sales warranty.
 
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madmatt30

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Well open your case & see if the gpu has tubes coming off it ;-) because that's a bit of a giveaway.

But yes if a GPU & CPU are both on a loop to the same rad/fan setup then it plainly has to do more work.

To be fair 5ghz is a monstrous overclock , you're talking maybe 10% at best of 7700k's will do that so highish temps are to be expected

Your temps are in spec irregardless & your system is warrantied so I'd honestly not really worry about it.

Like I said in game monitoring via osd is the sensible way because of the millisecond spikes that can & do occur on the kaby lake chips.

 
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lumineZ

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So did a quick test with higher Vcore (1.376) and... hmmm.. 1 degree celcius difference :D

http://imageshack.com/a/img922/6255/oiulCS.jpg


Yea I have gotten lucky with this cpu. I have gotten it to run at 5148MHz but I belive that is the limit of it at 1.420 Vcore

About the custom water cooled question:
Ofc the radiators have to work harder the more heat you add to the loop.
With the 7700k now I guess that is around 120watts or so.
Add in a GTX1070 and the watt it uses. Around 160 - 180watts.
Just got to make sure you have enough radiator surface area and no problem :)

My radiator fans never go above 850rpm`s with a 3 - 5 degree celcius DeltaT.
Love the silence :)


Edit:

Alan11985:

Are you sure the pump is running? or do you even have enough flow?
Can you list what kind of water cooling parts you have? kind of fans etc?

Cause I am starting to wonder if they did a bad job on your delid...
 
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mcnumpty23

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yes sorry i should have been clearer

meant if you already had more than adequate radiator surface area then added the gpu would it make much difference

but yes just having a custom loop means you cant directly compare it to another loop

pump make/pump speed/fan make and speed/amount and size of radiators etc all come into play

so interested to see what the op actually has and what pump/fan speeds etc

and use overclockers all the time would be surprised if they messed up the delid to be honest

but that brings another important question

did they relid it?

or is he using the naked die?
 
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lumineZ

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My money is on that they did relid it. If the system was running a naked die it should be listed as a "warning".

sidenote:
If you have more than enough radiator surface area then adding a gpu, will make no difference. Maybe... and just maybe you will see 1 - 2 degree celcius after a long gaming session.

I like to run dual loops since that makes working on it or swapping to new hardware more easy since I am using PETG tubing and not soft tubing.
So one loop for the cpu and one loop for the gpu.

And you are correct. You cant compare 2 different custom loops. WAY to many variables to compare them.
Eaven if 2 persons have the exact same radiators, pumps, reservoir, flow sensor, fans, case, etc etc.
And the only difference is how one has done the bends on the tubes so the "build" looks totaly different more than likely it will show then also as a temprature difference, pump rpm difference or flow difference.
 
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mcnumpty23

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i considered separate loops

but in the end up decided to put both pumps in one loop

that way if a pump should fail the loop will still work giving time to fix it at my convenience

and petg tubing looks great

also considered that

but know my limitations my builds work fine and look not too bad

but just not quite as good as some people who have a real good attention to detail,,getting everything dead straight etc
 
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Alan11985

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Its just the cpu in the loop.
It doesn't come overclocked but they have tested it to 5ghz and if it reaches it they sell it too you as guaranteed to hit this clock if you have similar equipment to them. I had to overclock it like any other cpu when it came
 
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Alan11985

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I think they did a bad job as well. I spoke to them and they say it is possible but I want to make sure it isn't just how I have it setup because if they replace it I might end up with a worse chip.
Specs are xspc 240mm crossflow radiator,Ekwb Asus strix z270i full water block, 2 corsair hd120s running at about 55 percent, ekwb d5 100mm pump/resovoir combo running at 50 percent constantly. case is a lian li q37
 
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Alan11985

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It has been relidded so isn't naked die. Overclockers have said its possible the liquid metal can move so it could be what is causing my problems. I also asked if they have had any others returned with similar problems and to my surprise they admitted a few had been returned and required the liquid metal re doing.
 
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mcnumpty23

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never used liquid metal myself so unsure how it would behave in transit already on a cpu

only a 240mm rad?

you cooling the gpu as well?

and is it this pump/res combo?

https://www.overclockers.co.uk/ek-water-blocks-ek-xres-100-revo-d5-pwm-incl.-pump-wc-883-ek.html

 
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Alan11985

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No I am not cooling the gpu just cpu. I use petg tubing as well by the way. 240mm is the biggest that will fit in this case and I like the case and don't really want a bigger one. Yes that is the pump/reservoir combo I have.
 
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