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Just purchased 7700k from Silicon lottery, need advice

post #1 of 20
Thread Starter 
New here, and looking for some advice. I purchased at 7700k tested and guaranteed stable at 5Ghz @1.375 with avx offser of -2. It is also delided by silicon lottery. I am using Noctuas thermal paste. I have both a noctua d-15 and an s36 at my disposal for testing. They claim that my temps would drop between 12-25c if i recall. However after emailing them, i was advised that i am safe to run into the 90s with this chip. I was expecting much better.

So far the coolers are all within. 2-4 c of one another be it idle or load. The noctua seems to keep my core temps from fluctuating while idle within 5c or so.

The s36 i see temps fluctuating 5-15c at "idle". After 20 seconds running with fans wide open i reach 81c, within 1 minute i am at 83. And 10 minutes i am at 85-88, ive saw one go to 91.i dont see a point jn deliding if i see 70cwhile gaming. So hitting 88 in bf1 after 1 hour i am at a loss. Re applied thermal paste, updated bios, updated driver's as well as trying multiple coolers.
I am seeing others with much better temps. Please help

I have an ambiant temp of 22c

I feel like this isnt right. Need someone to confirm.
Edited by OscarSyx - 8/21/17 at 7:27am
post #2 of 20
I've used an NH D15 and had thermal throttling at that voltage on a delidded 7700K, so to me your temperatures look fine. Once an H100i was on it, load temperatures dropped into the low 80s. Air-cooling is tough on the 7700K especially when you have graphics cards also dumping out heat next to them. A radiator let's you take in fresh air.
post #3 of 20
I purchased the same product as you (7700k 5Ghz delidded), and I think probably in the same batch (late July), and am experiencing the EXACT same thermal issues you are.

I'm running the recommended voltages 1.375 and AVX -2, also the same as you with Noctua NT H1 thermal compound, and NH C14 heatsink.

I also noticed an unusual amount of temperature variance during idle (around 2-10 degrees from one moment to the next). It seems no matter which CPU stress test I run, it will eventually hit 91+ and throttle with fans at 100%. Even while gaming, it will hit high 80's low 90's. In particular, I've also hit temperatures of around ~88+ playing Battlefield 1 and during my last few sessions I've experienced Blue Screens/crashes after playing for 30mins-40mins.

My GPU is a hybrid, and is expelling air directly out the top of the case, so that is not contributing to the problem.

I'm wondering if maybe we have got a bad batch? My experience is this shouldn't necessarily be a thermal problem on air (assuming proper air flow, heatsink, and high end thermal paste which I am using)..... Especially after delidding!
Edited by nevdawg - 8/23/17 at 1:48pm
post #4 of 20
People run 1.375v on these chips on air? That is water or at least CLC territory.
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post #5 of 20
Thread Starter 
Ive used both water and air. Nothing changes
post #6 of 20
Quote:
Originally Posted by OscarSyx View Post

Ive used both water and air. Nothing changes

You are saying that you don't see a temp difference when switching from air to water cooling? That is really hard for me to believe unless you are using a terrible CLC.

1.375V pushed through the die size of the 7700k is asking for a problem wothout robust cooling that can handle surges of heat. Heatpipes on air coolers are not good at combating sudden temp increases. This is the reason why your idle temp variances are what they are.

What liquid cooler did you use?
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post #7 of 20
a 120MM CLC will not cover the heat of these chips, delidded or not. 240MM CLC minimum, no air coolers at all. spend the money on cooling like you spent on the processor. both need to work hand in hand.
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post #8 of 20
Thread Starter 
I am using an s36 Celsius..360mm. The differemce is very small betweem air amd water. For the chip to be hittimg 85 plus after a few seconds of gaming and being delided is unacceptable. There customer service has offered RMA but has been no help in regards to troubleshooting.
post #9 of 20
Thread Starter 
I purchased a 7700k from Amazon and sent it back for running HOT, i figured delided would help. Everyones temps seem to not break 60c. Im brealing 80c. Fams at full with good thermals paste and ambient temps at 22c. Something is wrong.
post #10 of 20
Thread Starter 
Sorry for the grammar. Typing on a phone.
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