Crazy High temps with 6700k + air cooler at stock speeds.

[Liquid Cooled Human]

My 6700k get's up to 86C with my grandis XE1236V2 (dual tower air cooler). The temps are fine at the start of a test like the x264 stress test - it get's around 64C max on stock settings (4.2GHz + 1.280 Vcore) but after I play a game like GTAV or The Witcher 3 it sky rockets to 80+C on 3 of the cores. WIth an overclock it get's up to 89C easily and has even gotten up to 92C which was then followed up by a system crash.
What I have tried:
-Resetting thermal paste 5 times (Not putting to much and not putting too little, just enough to cover 90% of the CPU in a circle shape - I used the pea method)
-Resetting CPU and the whole cooler again
-Set all fans to 100%
-Opening my case up to simulate an open-air test bench
-Made sure the cooler was secured as tightly as possible

Nothing seems to work. Help would be appreciated. Thanks

[just_dave]

You will have to delid it.

Also fix the text for night theme

[Majestic]

If you run Skylake at 1,3V on an air cooler, gonna have a bad time.

 

Turn off the enhanced turbo feature, undervolt it a little aswell. Bob's your uncle.

[Changis]

1 minute ago, Liquid Cooled Human said:

My 6700k get's up to 86C with my grandis XE1236V2 (dual tower air cooler). The temps are fine at the start of a test like the x264 stress test - it get's around 64C max on stock settings (4.2GHz + 1.280 Vcore) but after I play a game like GTAV or The Witcher 3 it sky rockets to 80+C on 3 of the cores. WIth an overclock it get's up to 89C easily and has even gotten up to 92C which was then followed up by a system crash.

What I have tried:
-Resetting thermal paste 5 times (Not putting to much and not putting too little, just enough to cover 90% of the CPU in a circle shape - I used the pea method)
-Resetting CPU and the whole cooler again
-Set all fans to 100%
-Opening my case up to simulate an open-air test bench
-Made sure the cooler was secured as tightly as possible

Nothing seems to work. Help would be appreciated. Thanks

first, please edit your post and edit all the text to automatic color.. night theme uses a dark background so it's a bit hard to read.

check your airflow.. does your case get hot spots? if so you need to reconfigure the fans or add more/better ones
 

also do you have a blower style fan on your gpu? or "heatsink and fans" on your GPU? if you have the latter and bad case airflow, that's probably your problem

[Liquid Cooled Human]

12 minutes ago, Changis said:

first, please edit your post and edit all the text to automatic color.. night theme uses a dark background so it's a bit hard to read.

check your airflow.. does your case get hot spots? if so you need to reconfigure the fans or add more/better ones
 

also do you have a blower style fan on your gpu? or "heatsink and fans" on your GPU? if you have the latter and bad case airflow, that's probably your problem

I have the 3 fans with a heat sink not a blower style GPU and airflow seems fine my GPU stays around 67 max with 70% fan speed on full load.

[YongKang]

Your case is known to have thermal issues... What's your fan setup in the case?

[Changis]

1 minute ago, Liquid Cooled Human said:

I have the 3 fans with a heat sink not a blower style GPU and airflow seems fine my GPU stays around 67 max with 70% fan speed on full load.

do you get hot spts on the side of the case? 
how many case fans do you have, how are they oriented and are they original case fans or have you bought new ones, in which case, which ones?

[pyrojoe34]

27 minutes ago, Liquid Cooled Human said:

-Made sure the cooler was secured as tightly as possible

Too tight can be as bad as not tight enough as you may be bending the board and getting poor contact on the CPU. It doesn't need to be more than snugly fit, don't crank down the screws.

 

Quote

Opening my case up to simulate an open-air test bench

FYI, this isn't always a good thing as a sealed case with proper airflow will direct the flow of air and avoid dead spots, an open case can sometimes be worse than a closed case.

 

 

That cooler should be giving you much better temps than that (even without a delid). What paste are you using? What is your case fan setup? (with that case you should have at least 2-3 front intake fans and one rear exhaust, also consider removing the top cover to allow more heat to escape.) What are your ambient room temps?

 

Since you only get bad temps while gaming I'm guessing your GPU is heating up your case and you're not getting rid of the hot GPU air efficiently so it's heading up the CPU heatsink and mobo.

[YongKang]

1 minute ago, pyrojoe34 said:

Too tight can be as bad as not tight enough as you may be bending the board and getting poor contact on the CPU. It doesn't need to be more than snugly fit, don't crank down the screws.

 

FYI, this isn't always a good thing as a sealed case with proper airflow will direct the flow of air and avoid dead spots, an open case can sometimes be worse than a closed case.

 

 

That cooler should be giving you much better temps than that (even without a delid). What paste are you using? What is your case fan setup? What are your ambient room temps?

 

Since you only get bad temps while gaming I'm guessing your GPU is heating up your case and you're not getting rid of the hot GPU air efficiently so it's heading up the CPU heatsink and mobo.

He's using an P400S - the case is known to have limited airflow (front intake). Gamernexus pointed out in their video. My guess is that OP is still with the initial 2 fan ( 1 intake, 1 exit) setup which is not enough for getting rid of the heat output from the 980Ti Extreme.

[Liquid Cooled Human]

2 minutes ago, Changis said:

do you get hot spts on the side of the case? 
how many case fans do you have, how are they oriented and are they original case fans or have you bought new ones, in which case, which ones?

Stock fans. One pulling at the front on the top side and one pushing at the back.

 

4 minutes ago, pyrojoe34 said:

Too tight can be as bad as not tight enough as you may be bending the board and getting poor contact on the CPU. It doesn't need to be more than snugly fit, don't crank down the screws.

 

FYI, this isn't always a good thing as a sealed case with proper airflow will direct the flow of air and avoid dead spots, an open case can sometimes be worse than a closed case.

 

 

That cooler should be giving you much better temps than that (even without a delid). What paste are you using? What is your case fan setup? What are your ambient room temps?

 

Since you only get bad temps while gaming I'm guessing your GPU is heating up your case and you're not getting rid of the hot GPU air efficiently so it's heading up the CPU heatsink and mobo.

It's not as tight as possible as I left some wiggle room for the screws. the TP I am using is the pactum 1 that comes with the grandis. Ambient is about 24C.

[pyrojoe34]

2 minutes ago, YongKang said:

He's using an P400S - the case is known to have limited airflow (front intake). Gamernexus pointed out in their video. My guess is that OP is still with the initial 2 fan ( 1 intake, 1 exit) setup which is not enough for getting rid of the heat output from the 980Ti Extreme.

Yea, it's definitely not the best design, do you know if they offer a replacement airflow front cover? OP: if they do consider getting it.

 

If not the best option would be 3 front intake, 1 rear exhaust and 1 top exhaust. Or 2-3 front intake with 1 rear exhaust and the top vent left open.

[Liquid Cooled Human]

6 minutes ago, YongKang said:

He's using an P400S - the case is known to have limited airflow (front intake). Gamernexus pointed out in their video. My guess is that OP is still with the initial 2 fan ( 1 intake, 1 exit) setup which is not enough for getting rid of the heat output from the 980Ti Extreme.

2 minutes ago, pyrojoe34 said:

Yea, it's definitely not the best design, do you know if they offer a replacement airflow front cover? OP: if they do consider getting it.

 

If not the best option would be 3 front intake, 1 rear exhaust and 1 top exhaust. Or 2-3 front intake with 1 rear exhaust and the top vent left open.

Yeah that must be the issue, I'll get some new fans. Thanks. Don't think they have a replacement, unfortunately.

[Changis]

1 minute ago, Liquid Cooled Human said:

Stock fans. One pulling at the front on the top side and one pushing at the back.

 

It's not as tight as possible as I left some wiggle room for the screws. the TP I am using is the pactum 1 that comes with the grandis. Ambient is about 24C.

bad airflow is your problem.. get more and better fans or consider changing your case

[pyrojoe34]

1 minute ago, Liquid Cooled Human said:

Stock fans. One pulling at the front on the top side and one pushing at the back.

First, put the intake lower down, the lower the intake, the cooler the air is. Also, and more importantly, if you intake from the top and exhaust from the top, then the bottom half of the case is just dead air.

 

At a minimum, buy a second fan and do dual front intake (lower slots) and a single rear exhaust. Also, as I said before, remove the top vent covers if you haven't yet.

[YongKang]

Are you using the top covers as well? I suggest removing them and use the included dust filters to open up the airflow. Also, get more fans - more for the intake to get a positive airflow.

[Liquid Cooled Human]

Just now, YongKang said:

Are you using the top covers as well? I suggest removing them and use the included dust filters to open up the airflow. Also, get more fans - more for the intake to get a positive airflow.

Yeah I am.

[just_dave]

13 minutes ago, YongKang said:

He's using an P400S - the case is known to have limited airflow (front intake). Gamernexus pointed out in their video. My guess is that OP is still with the initial 2 fan ( 1 intake, 1 exit) setup which is not enough for getting rid of the heat output from the 980Ti Extreme.

I am using P400S as well, i have 2 140mm PWMs in the front and one 120mm PWM in the back/top. It is plenty of airflow, even at lower RPMs (front ~700RPM both, top ~800RPM, back ~1000RPM) and low noise i have perfect airflow. You should know that. Fix your airflow.

[just_dave]

5 minutes ago, Liquid Cooled Human said:

Yeah I am.

Dafuq man, you have nuclear reactor closed in an air-sealed container. 

Get 2 140mm fans, move them to the front, take the stock two 120mm fans and put one in the back and one in the top, without cover or air filter, only the unused slot can have air filter

 

[Liquid Cooled Human]

3 minutes ago, dave_k said:

Dafuq man, you have nuclear reactor closed in an air-sealed container. 

Get 2 140mm fans, move them to the front, take the stock two 120mm fans and put one in the back and one in the top, without cover or air filter, only the unused slot can have air filter

 

Yeah I know. It wasn't a problem before it only started happening like a month ago. I am definitely going to get more fans.

[just_dave]

Just now, Liquid Cooled Human said:

Yeah I know. It wasn't a problem before it only started happening like a month ago. I am definitely going to get more fans.

I would also avoid overclocking Skylake under air, its is an abortion of the 14nm process, it runs hot and is not power efficient

[YongKang]

4 minutes ago, dave_k said:

I would also avoid overclocking Skylake under air, its is an abortion of the 14nm process, it runs hot and is not power efficient

The only reason it runs hot is because of the terrible TIM Intel used, not because of the cores themselves.

[just_dave]

Just now, YongKang said:

The only reason it runs hot is because of the terrible TIM Intel used, not because of the cores themselves.

Not only that, surely there is something wrong when Skylake/Kaby Lake 4 core needs as much power as Ryzen 8 core.

[pyrojoe34]

1 minute ago, YongKang said:

The only reason it runs hot is because of the terrible TIM Intel used, not because of the cores themselves.

It's mostly the TIM in this case but the smaller process also contributes to heat. Usually smaller processes mean less power (lower voltages) and less heat, but it also means more tightly packed transistors and higher energy density so it's a give-and-take. More transistors on a smaller die means higher energy density and lower surface area, so more heat... it's not as simple as you might think.