i7 4790k cpu temps too high

[Sandstar]

My mobo is reporting that my cpu is 70 C at 22% load. I have an aftermarket water cooler (the corsair h60) and I'm worried that these temps are FAR too high. Did I do something wrong when I installed the water cooler? Can I reset it without adding on new thermal paste (as I don't have any)?

 

[Vellinious]

It could just be a bad batch, but.....given that the Devil's Canyon CPUs, the Haswell refresh, was just Haswell processors with a better thermal interface material to draw the enthusiasts in, I have a hard time getting my head around that.

Has ANYONE tried lowering the voltages on the stock clocks, and then testing it to get a baseline for their specific processor?

Also, just out of curiosity, all the people having trouble with these processors.....where were yours manufactured? Are they made in Malaysia or Costa Rica?

 

[sanhuy]

if your using version 28.3 on prime95 it uses avx which makes haswell cpu's burnnnnn try using version 26.6 and you will see better results

 

[Vellinious]

if your using version 26.7 or higher on prime95 it uses avx which makes haswell cpu's burnnnnn try using version 26.6 and you will see better results

Can't be any worse than Intel Burn Test, and I see some people mentioning that in this thread.

 

[Shark1965]

Well, at this stage the two coolers I've used have both been reapplied twice, with 0 difference to stress temperatures, and the CPU is hitting MASSIVE temps nearly instantly. the CPU gets great Idle Temps, as low as 23-25C but the instant it gets any load it rockets to 50C+ in a heartbeat at low loads, or launches from 25C to 80C in under 3 seconds on Prime95, with a reseated, Arctic Silver pasted, H80i.

MIcrocenter is pretty great with exchanges, though I have to wait till Wednesday for their new shipment to come through, so fortunately the CPU is perfectly functional, it just runs very hot under large loads.

It's not just you man. I just made the jump from an AMD board and FX8350 to the MSI Z97 XPower and 4790k and my temps are crazy with Prime 95. I'm also using the H100i. My 8350 was overclocked to 4.6ghz and idled at 18 degrees. This thing idles at 28-30 with everything stock. I tried running Prime and it shot to 80 degrees instantly. So i cut it off and checked the paste and cooler. Everything mounted and secured fine, and I'm using Gelid GC extreme thermal paste, which I'd read was some of the absolute best (according to a round up review of Thermal pastes from Toms actually). I cleaned the cooler heatsink and the chip and reapplied. I haven't been brave enough to run Prime again lol, but I did use the Intel Extreme Tuning Utility stress test and it got up to 57-60, and that was only after about 3 or 4 minutes. What is going on with these chips?? Should they really be hitting 60 degrees at stock settings??

Interesting that your temps were high with the H100i because it was the same with mine. Swapped out the H100i for the Antec920 and temps dropped 40 degrees. Maybe something with the block I don't know. The H100i worked great with the 4670k I had.

 

[grimmjow660]

Im using a CM Hyper 212 Evo on an Asus z97 board and on Intel Burn Test I get to around 65c to 73c. But I idle around 29c to 36c. I also live in southern California and its really hot here ao ambient temps are around 32c or 89f

 

[Ellis_D]

It could just be a bad batch, but.....given that the Devil's Canyon CPUs, the Haswell refresh, was just Haswell processors with a better thermal interface material to draw the enthusiasts in, I have a hard time getting my head around that.

Has ANYONE tried lowering the voltages on the stock clocks, and then testing it to get a baseline for their specific processor?

Also, just out of curiosity, all the people having trouble with these processors.....where were yours manufactured? Are they made in Malaysia or Costa Rica?

Both my original chip and my current chip are from Malaysia.

 

[Userxcs]

1 and only reason i m right now planning to get this CPU is that i hope it will be more silent on idle with Arctic i30 cooling than 4770k and i m looking for some proof that it is quieter.

My ambient temp is 25c and cores 25-34c on idle, load wit Prime was something 70 ish with five minutes, fan rpm is 935 on idle witch is pretty quiet but i d like it to be even more silent.

 

[terry4536]

This thread has become quite long. The OP's question was answered long ago. I would suggest opening new threads to answer your individual questions.

 

[Infynix]

Now it's back up to 80c under 30% load 🙁 I have *NO* thermal grease, and I won't have access to any till tomorrow. I plugged the the pump into cpu_opt, and I have a push/pull fan on the radiator.

Make sure you're plugging into the CPU fan slot on the motherboard, any other position will mess up the voltage going to the pump, try that and see how it works.

 

[Valnac]

Just so you know, the stock cooler is very anemic for the 4790k cpu. I was seeing high temps stock clock, breaking 85c under load. Picked up a CM Hyper 212 Evo for cheap money and I'm able to maintain a 4.8 OC @ 80c on load (Still haven't reached that mystical "5" on air they were talking about).

As a side note that cheap CM cpu cooler outperformed my expectations by a lot.

 

[Doc Computeur]

Lol Corsair watercooling is à bull shit. On a MSI z87 g45 gaming, 4.2ghz for the i5 4670k, the temps. do not exceed 52°C. But I Install a real watercooling (rad is EK Supremacy,radiator Swiftec, Noctua fans, and Laing pump) 130 mm for pipes. My mobo is cold and sexy

 

[chuckjuhl]

I'm in the same boat here with my new build. I just upgraded to a Gigabyte Z97x Gaming 7 motherboard with the i7 4970k and I'm getting extreme temperatures. I first noticed it when I was testing to see how fast Handbrake could encode a video and 15 minutes into it, I got a BSOD. This happened at the stock settings of 4ghz with turbo boost of 4.4ghz and was using the stock cooler.

So I decided to check my temps under load with Prime95 and they immediately started pushing 100C (not good at all). After this, I installed the beefier heatsink with push\pull fans from my previous system and it dropped the temps in prime95 down to around the upper 80s/lower 90s (which still isn't good at all) and I retested Handbrake and it was bouncing around the mid 70s (which is still uncomfortable for a factory-clocked cpu). For reference, my old system could OC an AMD Phenom II x6 1100t @4ghz (this is the exact same on-air heatsink and exact same case set up I'm currently using) and keep it under 60. I'm finding it very discouraging that Intel's latest and greatest will perform much, much worse.

All of my fans are working properly and running at max and my heatsink is seated properly with Arctic 5 Silver (I've checked and double checked this, both on the stock cooler and my own aftermarket cooler). Did I just lose the silicone lottery?

Check your mb BIOS. I had the same problem. Turned out the BIOS version did not support the 4790k. I updated the BIOS and temps dropped like a rock.

 

[cerealkeller]

if your using version 28.3 on prime95 it uses avx which makes haswell cpu's burnnnnn try using version 26.6 and you will see better results

Good call man 😀 I was running 28.3 and the first pass my temps stayed in the low 60s C at 4.4 GHz. I'm running an old Cooler Master Aquagate loop with a Koolance 380 water block. And after the first pass the temps shot up into the 80s C. My idle temps are in the mid 20s C. And with the older version of P95, which is what I have used on my other systems, the temps stay in the mid to high 60s C the whole time. Play it smart, download 26.6 and use that to stress test your CPU.
Actually, I started off arrogant, thinking I'm gonna go straight to 4.8 GHz. So I bumped the voltage up to 1.4v thinking, well on my 980x it doesn't exceed 80C even over 1.4v. Dumb. It hit 100C it less than a second. And you can set the voltage lower from auto, I read earlier in this thread that auto runs it a bit high for stability, true. Mine is running at 1.22 at stock clocks.
I have to say though, I'm shocked at how hot these run. I expected them to be similar to my 2500k, and not even exceed 60C under any conditions on air.

 

[mr meister]

if your using version 28.3 on prime95 it uses avx which makes haswell cpu's burnnnnn try using version 26.6 and you will see better results

It looks like version 28.5 has been released now which states "This latest version of prime95 has been optimized for Intel's new AVX2 instruction set. Owners of Haswell CPUs (Core i3/i5/i7 4xxx) will see a significant performance increase".

I'm unable to test as my computer should be arriving next week (i was initially very excited, but now i'm a little apprehensive...), could anyone else have a quick test?

 

[Shark1965]

if your using version 28.3 on prime95 it uses avx which makes haswell cpu's burnnnnn try using version 26.6 and you will see better results

It looks like version 28.5 has been released now which states "This latest version of prime95 has been optimized for Intel's new AVX2 instruction set. Owners of Haswell CPUs (Core i3/i5/i7 4xxx) will see a significant performance increase".

I'm unable to test as my computer should be arriving next week (i was initially very excited, but now i'm a little apprehensive...), could anyone else have a quick test?

http://www.aida64.com/downloads. Use their stability test under tools.

 

[clueless77]

if your using version 28.3 on prime95 it uses avx which makes haswell cpu's burnnnnn try using version 26.6 and you will see better results

It looks like version 28.5 has been released now which states "This latest version of prime95 has been optimized for Intel's new AVX2 instruction set. Owners of Haswell CPUs (Core i3/i5/i7 4xxx) will see a significant performance increase".

I'm unable to test as my computer should be arriving next week (i was initially very excited, but now i'm a little apprehensive...), could anyone else have a quick test?

Running the optimized Prime95 with blend torture tests with a delidded 4790k and h80i set to max speed at 4.7 ghz cpu / 1.33 volts and 4.4 ghz uncore / 1.275 volts, my temps wildly flucuate according to what specific test is being run. There's three tiers of temps, averaging low 60's, low 80's and mid 90's with a max of 97 or so during the second test on the hottest core. I was able to keep a delidded Ivy Bridge in the low 50's at load 4.9 ghz /1.38 volts with the same environnment, case and h80i. Setting uncore to 4.5 ghz and 1.30 volts gives more or less the same temps, anything less than for voltage is unstable and anything more than for uncore at reasonable voltages that I won't exceed locks the PC up.

I suppose decreasing the CPU overlock and voltage for better temps is an option, perhaps even just the uncore frequency and voltage, but considering that Prime is excessive to begin with I should be able to keep temps under control. I also know that the recommended voltage for Haswell is 1.30 volts max for long term usage, but I'm not oversensitive about hardware that'll last at least a couple years at these clocks and voltages to begin with.

My application of thermal paste when I set the block onto the IHS couldn't be this bad, although it probably couldn't hurt to try reseating it. And if you couldn't tell, I'm manually overclocking and have everything that would restrict it any in way either disabled or enabled. 4.7 ghz seems to be this chip's wall without a large gap between the cpu and uncore, it's from the L419B610 batch. Your experience may vary, here's to hoping you get a better chip.

 

[scargk]

I've been lurking on this board and thread for a while and really appreciate the great responses from everyone. I build out a new PC with a 4790k (stock fan) on a ASRock Extreme 6 mobo. Upon testing with Prime95, the temps went through the roof within 10 seconds - to nearly 90 C before I shut it off.

Reading all the threads about shitty stock fans and poorly applied thermal paste, I purchased and installed a CM 212 Evo with Arctic silver paste (learned to properly apply the thermal paste on youtube - used spread method with credit card). What a difference. 23-24C idle and 60C after 10 minutes on Prime95 torture test.

Can't believe Intel would put out a fan that is so bad with their processor. Like buying a Porsche with 170/70 tires. Thanks again for everyone's help.