Hi ZombieRevolver, have been through this with the core i7-4790kOk and we have managed to drop temps. Stock cooler should hit 80's not 100's...but i would definitle get a better cooler. I am running a H100i AIO which does a great job. Just to let you know that iniatly my temps were mid 30's idle and would peak in the 90's even with the H100i until i played around with the bios settings.
It has something to do with Bios settings... You will see some threads here about this already. So after looking at things in a bit more detail for me to get the temps of the i7-4790k to run at mid 20's idle and mid 60's 100% load in prime95 at 4.4ghz, 4.5 or (4.7GHZ temps reach 80 degrees) without touching voltage fully stable, (screen cap below) I have to run the following settings in bios on Maximus Hero vii (should work on other boards with similar setup).
Everything in auto except the following:
AI - Manual
BLK - 100.0 sure you could push this ever so slightly
Multi-core Enhancement - Disabled
CPU Core Ratio - Sync All Cores
44 i have set to 44 but have tested at 45 no problems (4.5ghz)
EPU Saving mode disabled
CPU level up - 4.00g
Extreme Tweaking disabled
Memory at stated speed... i.e mine is at 1866 set yours to whatever it is.
The above should make your cpu run full at 4.4ghz with no heat penalty and 4.5 as well... again being a noob i have no idea why. If i touch xmp it seems to set the temps high or could be mce or even epu mode not sure at all but the above will definitely keep things running cool and you can overclock at cool temps but will have to play with vcore to go above 4.6...
Again please be aware i am new at this but the above works for me and keeps temps very low mid 20's idle and no more than 63 degrees in prime95.
Screenprint 4.4ghz
Even at small fft or whatever the hardcore moment is with Prime95 it does not go over 64/65 degrees. I have a H100i watercooler but temps should be a bit lower than you are currently getting.
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