i5 2500K Temps and Voltage

[TweakCrazy]

Core i5 2500K @ 4.5GHz (100MHz X 45)
Rev. D2, stepping 7, MAX TDP 95W
Socket 1155 w/MSI P67A-GD65
Generic aftermarket heatsink w/AS

Mem Voltage = 1.5V DDR3 1600
(CL9-9-9-24)
Mem X.M.P = on
CPU PLL = Overvolting turned off
LLC (Vdroop) = Low Vdroop setting on
VCSSA = auto setting
VCCIO = auto setting
PCH voltage = auto setting
Speed Spectrum = off
EIST = off
Turbo Mode = off
System Power = Intel SVIC

V-Core and Temps:

Stable at 1.350V, but very hot, so much that throttling kicks in under load (All four cores over 85C-90C, too close to TJ Max).

In between the 1.300V and 1.350V BIOS v-core setting, system is still stable but too hot. Under load, the V-core increases up to 1.3970V with the 1.350V BIOS setting.
I did not get a chance to document the increase with the 1.300V BIOS setting.

With the 1.295V BIOS setting, the system is very stable, reported as 1.304V in CPU-Z, and under load going to 1.344V. Temps are now 34C Idle and 84C under load (running Prime95).While stress testing with these settings, I did notice the temperature coming down from 84C to 78C. I will continue to decrease the V-core and stress test, but I wanted to see what you guys thought about these high temps and V-core changes. I'm guessing the V-core increase is related to my "Low Vdroop" setting and Intel's SVID technology increasing power to the CPU as needed.

http://i.imgur.com/Wh9Il.jpg

Thanks for your help,

TweakCrazy!

 

[zaxour]

Generic aftermarket heatsink w/AS

This is your problem. Get yourself a Cooler Master Hyper 212+ or H50/60 and you should see much better temps.

 

[tnt3k]

This is your problem. Get yourself a Cooler Master Hyper 212+ or H50/60 and you should see much better temps.

This.

Are you really trying to OC with generic heatsink? generic heatsink for stock clocks. Aftermarket heatsink for overclocking. I have the H60 and it idles around 27-28c

Unless you didn't seat the cpu cooler correctly

http://i.imgur.com/Sdvi5.jpg

 

[TweakCrazy]

Thanks for the fast reply,

The CPU is seated correctly with the AS line method used. I am trying to save up for a new heatsink (money is tight), but the current cooler is a huge aluminum and copper fin thing (friend made it, lapped perfectly) but because It does not have a model number or name, I called it generic.

Do you know about why the voltage changes on its own? Is this SVID and LLC working correctly? My LLC setting is "low vdroop".

 

[tnt3k]

you might as well try the stock cooler then. I don't think a thing your friend made is cut out to cool the i5 when its OCed