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my i7 4790k haswell is burning while working

Foredance

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First of all i have learn a lot of stuffs here, and this is my first post, my english is not the best but i hope you all understand

so, i have a problem here, i bought a 4790k haswell a few weeks ago, and i built my new pc
the problem is that while my cpu do something it just gets on fire hitting 100º while running prime95, also, let me tell you that while my cpu is iddle everything is fine i guess, since the temp stands on 30 40 while idle.

theres an example:

http://imgur.com/YMPnG4z

my others pc stuffs
Gigabyte z97x gaming 5
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Western Digital black edition 1tb
Nzxt Phantom 410

i just changed the thermal paste and it did not change anything at all

i have no idea, theres no overclock at all

thanks!
 

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It could be a bad thermal sensor.

It could be the cooler is on too tight.

It could be cooler is not on tight enough (take it off is it spread well?)

paste is not good between heat spreader and core. (RMA time)
 
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Foredance

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It could be a bad thermal sensor.

It could be the cooler is on too tight.

It could be cooler is not on tight enough (take it off is it spread well?)

paste is not good between heat spreader and core. (RMA time)
ill try to tight it up tomorrow and ill comeback with the results
 
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test it by touching the heatsink, is the heat normal?
whats your heatsink?
what about your airflow?
 
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What cooler are you using?

Post the CPU voltage you get under load.

Also post frequency under load, some motherboards like to overclock a bit by themselves.
 

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If you are on the stock cooler I would expect you to see temps like that from a stress test. My 4770k was the same on a stock cooler at stock speeds. Running prime on a stock cooler with these chips is a waste. They will get HOT. They can get to those levels and throttle though, I haven't seen one fail because of those temps and stock speeds...and if it does within the 3 years..you'll get it replaced via Intel RMA.

Get at least a CM 212EVO and you'll be fine at stock speeds. Honestly they should shave the costs of the stock cooler and give a voucher for the damn 212EVO imho.
 
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Foredance

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If you are on the stock cooler I would expect you to see temps like that from a stress test. My 4770k was the same on a stock cooler at stock speeds. Running prime on a stock cooler with these chips is a waste. They will get HOT. They can get to those levels and throttle though, I haven't seen one fail because of those temps and stock speeds...and if it does within the 3 years..you'll get it replaced via Intel RMA.

Get at least a CM 212EVO and you'll be fine at stock speeds. Honestly they should shave the costs of the stock cooler and give a voucher for the damn 212EVO imho.
i got 100º playing games too
 

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Well if the cooling can't keep up, it needs upgraded, simple as that. If that answer doesn't work for you, then you need to contact Intel Support and request an RMA replacement if you feel you have a faulty chip or faulty CPU sensors.

MAKE SURE you have the most recent BIOS update for your mainboard to ensure that there is no discrepancy. Download the Intel XTU and that will assist you in dealing with Intel RMA if you decide to go that route.

Honestly if you're not failing tests, but it's running hot, I'd say the CPU just needs better cooling. It's an Intel quad core running at 4-4.4GHz...mine at 3.5-3.9GHz was doing the same thing on stock cooling just FYI.
 
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this is my cpuz under 100% load

http://imgur.com/9aMlSAg

That voltage is way too high.
proper stock voltage for 4790K should be at about:
1.00-1.10V at 4GHz
1.10-1.15V at 4.2GHz
1.20V at 4.4GHz

If your haswell is at 1.28V and you have stock cooler, its gonna overheat for sure.

Make sure your motherboard bios is up to date.

If that don't fix it, your motherboard or CPU is faulty, motherboard more likely.

As a last ditch effort, you can try going into the BIOS and making sure all the voltage settings are correct.
 
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That voltage is way too high.
proper stock voltage for 4790K should be at about:
1.00-1.10V at 4GHz
1.10-1.15V at 4.2GHz
1.20V at 4.4GHz

If your haswell is at 1.28V and you have stock cooler, its gonna overheat for sure.

Make sure your motherboard bios is up to date.

If that don't fix it, your motherboard or CPU is faulty, motherboard more likely.

As a last ditch effort, you can try going into the BIOS and making sure all the voltage settings are correct.

what a load of crap.

good chips can do those kind of speeds on those voltages but not all chips are good.

not that i am saying this aint a good chip either, as my money is on an auto oc overvolting.

temps are about right imo for those volts under a stock cooler.

if you want lower temps reduce the voltage or improve the cooling.
 
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what a load of crap.

good chips can do those kind of speeds on those voltages but not all chips are good.

thanks for correcting me!

please tell me what the real 4790k stock voltages are.
 
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That voltage is way too high.
proper stock voltage for 4790K should be at about:
1.00-1.10V at 4GHz
1.10-1.15V at 4.2GHz
1.20V at 4.4GHz

If your haswell is at 1.28V and you have stock cooler, its gonna overheat for sure.

Make sure your motherboard bios is up to date.

If that don't fix it, your motherboard or CPU is faulty, motherboard more likely.

As a last ditch effort, you can try going into the BIOS and making sure all the voltage settings are correct.

Idk it it is different for intel but CPU-Z never gives me the exact voltage. I use HWMonitor or AIDA64 when i want to see the true vcore.
 
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Foredance try 1.160 vcore for the 4790k all the others auto
 

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what a load of crap.

good chips can do those kind of speeds on those voltages but not all chips are good.
No, he's right. My 4790K basically follows those voltages he said when I leave it at stock(slightly lower actually).
 
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My 4790K basically follows those voltages he said when I leave it at stock.

Rather, the defaults in your BIOS are making your 4790K follow those voltages ... many motherboards are overvolting by default, I guess to account for a worst possible chip out there.
 

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to much voltage check the bios settings
reduce the voltage to about 1.1 to 1.150
 
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I'm highly doubtful the high voltage is the OP's fault; it just seems that everyone's unaware of the default behavior of Haswell processors.

If you have a Haswell processesor and enable adaptive voltage in the BIOS, many BIOSes will automatically add 0.1V on top of your maximum core voltage when running AVX loads. This occurs even when you are running stock clock speeds. As soon as you run something with AVX like prime95, the voltage and heat generated go off the charts due to that automatic 0.1V increase.

The stock heatsink is not designed to handle a prolonged 100% AVX load without causing throttling, even at stock clock speeds, so I'm not surprised at the results.
 
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its 0.01 not 0.1v
 

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Stocks voltage, let's see as I need to make a draft and past it in all these threads.

First off go clear the bios, next boot into the bios and select LOAD OPTIMIZED settings.. Then restart and go directly into the bios, noe go down to the CPU voltage, what's it show beside the auto setting?

That will tell you what the could needs for non turbo volts. If it says like 1.043 then manually set it to 1.100v and test it.

These boards overvolt the shit outa these Chios and also check for the newest boards bios update and flash it if needed.
 
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thanks for correcting me!

please tell me what the real 4790k stock voltages are.

they would be correct for some, and not others. not all chips are the same across the board.

to think the ic lotto is any less with the 4790k than all other chips is funny.

same as how some will do 5ghz on 1.25 and others need 1.45+ or will not even hit that speed stable at all.
 
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That voltage is way too high.
proper stock voltage for 4790K should be at about:
1.00-1.10V at 4GHz
1.10-1.15V at 4.2GHz
1.20V at 4.4GHz

If your haswell is at 1.28V and you have stock cooler, its gonna overheat for sure.

Make sure your motherboard bios is up to date.

If that don't fix it, your motherboard or CPU is faulty, motherboard more likely.

As a last ditch effort, you can try going into the BIOS and making sure all the voltage settings are correct.
Its a bad chip.
I had an Ivy i5 like this, but not quite as bad. The stock voltage was 1.25v. I only got it to around 4.3 ghz with any kind of stability and heat, at 4.4 it was in the 90s and 4.5 would only boot to validate, 4.5 was impossible to get stable on my H100i even with 1.4v+, which would just barely boot it. At stock, it worked fine though, it was an acceptable i5 in that it ran stock okay, it was just garbage overclocker and very high vid meant it ran hot all the time. Delid reduced temperatures by maybe 15*C but didn't fix the very high voltage and it was still just as unstable as before.

Same mobo plus a good chip and I can do 4.8 on air and its still "lidded".
 
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its 0.01 not 0.1v
It is most definitely 0.1V, as I have experienced the exact same issue myself. Look at Haswell overclocking reviews if you would like additional sources.
 
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