When is CPU Heat too high

[Doomvor]

First, i apologize if this is not where i am suppose to post this.

My i7-4790k 4.0ghz gets 65-70c under load, is this temp too high?

It sits at 25-30c idle.

my motherboard reaches 50c and my GPU never goes above 50-60c under load, and sits at 30c idle.

I'm not too worried about my GPU but i was wondering if that CPU being at 70c under full load a problem or even the motherboard? I can't seem to find any definite answers on the internet unfortunately.

I use a Noctua nh-d15 for my CPU cooler with 1 exhaust fan on top that is a 1100 rpm fan. 1 exhaust fan on the back which is also 1100 rpm and 1 intake fan on the side that's 1100 as well.

I have a CS369BK case with an 800w PSU.

My HDD gets 32-35c at most.

I use OpenHardwareMonitor to view my temps.

I am a bit paranoid when it comes to heat because of my last machine reaching high temps and crashing itself.

I have not overclocked anything on the PC, nor do i plan to.

Thanks in advance!

 

[DonkeyOatie]

Read this excellent thread.. http://www.tomshardware.com/forum/id-1808604/intel-temperature-guide.html

Should answer your questions and allay your fears.

There's nothing wrong with those temperatures for that chip.

 

[Doomvor]

Read this excellent thread.. http://www.tomshardware.com/forum/id-1808604/intel-temperature-guide.html

Should answer your questions and allay your fears.

There's nothing wrong with those temperatures for that chip.

Thank you very much.

 

[Y0GI]

My i7-4790k 4.0ghz gets 65-70c under load, is this temp too high?

What kind of "load"? Stress Testing with Prime95, gaming or what?

For Stress Testing, 70*C. max is excellent! For gaming, with the CPU at stock settings and voltage, I would expect an NH D15 to do better.

Which direction is the NH D15 exhausting? It should be out the top or back.

With an exhaust fan at top, the additional exhaust at the back is superfluous. Set the NH D15 to exhaust out the back and move that back exhaust fan to the front bottom as an intake.

Yogi

 

[Doomvor]

My i7-4790k 4.0ghz gets 65-70c under load, is this temp too high?

What kind of "load"? Stress Testing with Prime95, gaming or what?

For Stress Testing, 70*C. max is excellent! For gaming, with the CPU at stock settings and voltage, I would expect an NH D15 to do better.

Which direction is the NH D15 exhausting? It should be out the top or back.

With an exhaust fan at top, the additional exhaust at the back is superfluous. Set the NH D15 to exhaust out the back and move that back exhaust fan to the front bottom as an intake.

Yogi

Sorry, should of specified, when i say under load, i meant gaming with a very cpu intensive game, i have not run any stress testing.

Thank you for the fan advice, the Noctua is pointed out the back of the PC

I don't think i can move the fan to the bottom front as that is where the hard drive is currently housed.

 

[sharpshorts]

It's possible that 70*c is too high for your processor to work at it's highest efficiency***...

If your i7 is like my i5, Intel has built in a "Turbo Mode" which sort of works like overclocking...
It lets the CPU work at significantly higher speeds when needed...
BUT - it will only operate for a second or two if the core heat rises too high...
The CPU automatically cuts down to cool down, thus slowing down everything else.

In my set up, too high was 58 degrees centigrade (Intel Core i5-3570K CPU @ 3.40GHz).

My fix was installing a cheap 'heat pipe' type cooler and fan for the CPU...
Now all four cores in the CPU run continually at 3800 MHz when under higher loads and core temps stay lower ...
When I was running the heat sink/fan that came with the CPU, 1600 MHz was the maximum it would sustain.

The new CPU cooler made a very noticeable difference in performance on my machine.

***Of course many other things also can adversely affect performance, like a low grade MB chip-set or a weak, inefficient power supply)

 

[Doomvor]

I use an 800w GSCorsair psu.

http://postimg.org/image/7cu78ctz1/

http://postimg.org/image/vm42ecp7j/

These are my OHW readings after playing rainbow six siege for 3 hours.

I have not encountered any real issues so i think i'm alright but i would rather be safe than sorry.

 

[sharpshorts]

I use an 800w GSCorsair psu.

http://postimg.org/image/7cu78ctz1/

http://postimg.org/image/vm42ecp7j/

These are my OHW readings after playing rainbow six siege for 3 hours.

I have not encountered any real issues so i think i'm alright but i would rather be safe than sorry.

FWIW, your CPU core temps are lower than mine...

 

[Y0GI]

@sharpshorts -
Can you please tell me why you have Hyperthreading disabled? Just curious.

Yogi

 

[sharpshorts]

@sharpshorts -
Can you please tell me why you have Hyperthreading disabled? Just curious.

Yogi

Not by choice - my i5 is one of the lower end Ivy Bridge processors , it cannot be enabled.
I've read that Intel deliberately burns out some features on their chips so you have to pay more for advanced features like hyperthreading ...same thing if you want a higher GHz, you pay more...

Task Manager lists Threads but I don't think this involves hyperthreading...

 

[Y0GI]

Ok. I was just surprised to see it as "Supported" but "Disabled".

Thanks,

Yogi

 

[sharpshorts]

When I saw that listing on Speccy I investigated as to how to enable it...
I think I found why not here on Tom's.

 

[Y0GI]

When I saw that listing on Speccy I investigated as to how to enable it...
I think I found why not here on Tom's.

OK.

Thanks,

Yogi

 

[Doomvor]

I use an 800w GSCorsair psu.

http://postimg.org/image/7cu78ctz1/

http://postimg.org/image/vm42ecp7j/

These are my OHW readings after playing rainbow six siege for 3 hours.

I have not encountered any real issues so i think i'm alright but i would rather be safe than sorry.

FWIW, your CPU core temps are lower than mine...

That's something at least I suppose, thanks for the replies.