i7 7700k is this a safe temperature?

Xeffx · Feb 15, 2017

So I have an i7 7700k, Gigabyte Z270X Ultra Gaming, and 3200mhz ddr4 ram.

CPU cooler: Noctua NH U9B SE2

Here is an image of temps, voltage and all that funky stuff.
Is that a good temperature for full load?
Idle is whats minimum on that image file. Had to lower the voltage to control my temps.
Fan speed had no effect, nor did thermal paste, no heatsink trouble. I just think it's the bad TIM.

krzyimprt · Feb 15, 2017

Perfectly fine for 100% load. You'll see a lot lower temps doing things you do on a daily basis.

ahnilated · Feb 15, 2017

If you really want to see your temps drop, delid the CPU and put Liquid Metal between the CPU and the heat spreader and heat spreader and heat sink (no aluminum!). You will get 15-20C and love it.

mcnumpty23 · Feb 15, 2017

the 7700k definitely runs hotter than my 6600k did even when overclocked to the same speed

so yeah got to blame it on some one in intels accounts department for wanting to save pennies by using rubbish tim again

this might turn out to be the first cpu i ever had to delid

though my cooling can handle it ok just not used to seeing temps as high

Mario_60 · Feb 17, 2017

7700K
ASUS Z170-A
Gskill F4-3200C16D-16GTZB
MSI 1070 GTX
Zalman CNPS12X CPU Kühler (modified)

4x 5100 GHz bei ca 80C

MinaRottert · Feb 17, 2017

mcnumpty23 :

Try turning hyperthreading off. I noticed several degree drop with it off. Depends on what you use your pc for though but most games actually perform better without hyperthreading on :wahoo:

Also turning off XMP and using manual seems to help temps. I manage to push to 5GHz before hitting 80 deg at full load

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dangus · Feb 17, 2017

yeah i've actually come across a few games that actually do perform smoother with HT off which is disparaging

although the games are few and far between.

Xeffx · Feb 17, 2017

My temps went down 10 degrees with hyper threading off... maxing out at 68-69c

Xeffx · Feb 17, 2017

With hyper threading off I managed to get only 75c @4.6ghz which is nice considering most games dont support HT.

Crumpet 1 · Feb 17, 2017

...Doesn't having to disable hyperthreading not make you really angry? I'd be livid.. That just makes it an incredibly expensive and very hot i5....

mcnumpty23 · Feb 17, 2017

i didnt pay 350 quid for a 7700k and then turn off hyperthreading

would just have got a 7600k and saved myself 140 quid if that was what i wanted

luckily for me even at 5ghz my cooling can handle it

but yeah i agree with crumpet i would be really annoyed if had to disable hyperthreading to get temps under control

i use my pc for much more than just gaming so i want all 8 cores/threads i paid for running

MinaRottert · Feb 18, 2017

Crumpet 1 :

No not really. I had an i5 6600 and decided to go for the i7 purely for the increased core speed for FSX as it relies very heavily on single core speed and very little else.

I've got 5000MHz overclock on the i7 and FSX runs great in VR - with ORBX vector and landclass and FTX scenery addons pretty much maxed out. Running simulator at 50-60fps and VR at 90fps, Could get nowhere near this with the i5. As for other games the i7 is overkill and the i5 handled them all easily.

I wouldn't have gone for the 7700k if it weren't for FSX/P3D. FSX only really used 1 core - although I have it tweaked to use 4 but using HT gave poorer fps - even tweaking to use 7 or even 8 threads and it hiked temps a LOT. I did a bit of research before buying and there are quite a few youtube comparisons of games with HT off vs HT on and there are very few games that take advantage of 8 threads - most actually do worst :ouch:

But the i7 still has the fastest single core potential - irrespective of HT, with a few exceptions of older gen i7's maybe. The price difference is prettly negligible - even compared to the new gen i5 - there's only about £40 differencce between the 7th gen i5 and i7on Amazon and the 7700 still offers the faster potential single core speed. Also I could keep the same z170 mobo with the 7700k as compared with going back to say a 4790k.

I guess mcnumpty's correct about the 6700k, although I wasn't sure I could get this to 5GHz but I still prefer the option of being able to turn HT on, on the rare occasion that I do a bit of mkv file converting :no:

Xeffx · Feb 19, 2017

Here is another screenshot without hyperthreading @4.7ghz
http://pasteboard.co/AaEI0OYUo.jpg

MinaRottert · Feb 19, 2017

Yea makes quite a difference. Got mine to 5.1 only running the 4 cores and hitting high 70s, may push it a touch more

MinaRottert · Feb 20, 2017

Xeffx :

Looks about right to me. Depends on your cooler and ambient as well of course. I only have a single radiator with push/pull fan setup. I tend to use Asus AI suite now to software oc when runnning FSX/P3D - these flight sims will push the limits of the cpu even at 5.1. The rest of the time (default) I leave it at 4.5 via BIOS.

daddycool83 · Mar 17, 2017

I have the same exact same setup 7700k 3200mhz Corsair 16gb gigabyte ultra gaming 1070 amp. But i use a thermaltake 360mm aio cooler. At stock i get temps around 60 on load and at 4.8 I'm hitting 80 on realbench but all stable. I do need some new thermal paste on my CPU tho as it's old artic silver 5 that i had lieng around .

MinaRottert :

mahanddeem · Mar 18, 2017

Undervolting cpu is another option. In OP pic first post, cpu is getting 1.37v which is very high voltage for 4.5ghz(because VID hits that much and motherboard obeys because voltage is on auto).
I am running my 7700k currently on auto voltage and minus offset of 0.100v which equals 1.51v at max load.

ahnilated · Mar 20, 2017

Complaining about temps and not delidding your CPU is just insane. Turning off hyper threading on a processor is also insane. My i7 4790K at 4.7G with 1.3V runs 100% stable doing anything. If you do stuff without AVX extensions it doesn't go above 65C on air. If you run AVX (Prime 95 v28.10) it will hit 78C on the hottest core. Now this is with hyper threading on and a room at 68 degrees F. Delidding and using liquid metal thermal paste on both sides of the TIM just works.

D34D M34T · Mar 21, 2017

Xeffx :

According to intel max temp is 100C so you're in sped. http://ark.intel.com/products/97129/Intel-Core-i7-7700K-Processor-8M-Cache-up-to-4_50-GHz

OuttaMyWay · Mar 28, 2017

Xeffx :

i realize its a bit late now, but you guys should really consider buying your chips from companys that bin them. i bought my 7700k from silicon lottery garunteed at 5 gig for the same price as a retail 7700k.

ahnilated · Mar 28, 2017

Hmm.. 4949.05MHz isn't really 5GHz btw.

OuttaMyWay · Mar 28, 2017

no but ive had it to 5.1 i just dont like my temps hovering in the low 80's . will again go back to 5.1 hopefully even more when i install my custom loop.im running a captain 240ex which is fine for mild ocing just not anything more.

ahnilated · Mar 28, 2017

OuttaMyWay :

Did you delid your processor? That does help a lot.

OuttaMyWay · Mar 28, 2017

no not yet i could have silicon lottery do it for $50 but i think im just gonna buy the tool and do it myself, sounds like more fun that way.and yea even if i only got a 10c drop would be a mammoth gain for me .

ahnilated · Mar 28, 2017

Well the higher you overclock the more gain you see it seems. Also if you run AVX extensions on it makes a huge difference in temps, mine were over 25C then.

i7 7700k is this a safe temperature?

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