My new and final overclock 4.8GHz @ 1.290 Core Voltage @78C
Tested using Prime95 10 min fft's, 90%ram.
As you will see I was able to get it seemingly-stable at 4.8GHz with 1.290 Core Voltage and max temps of 78C. This is really astounding IMO for both the overclock/voltage but also the temperature changes for regular TIM to Coollaboratory Liquid Pro
To review I started off using the Hyper Evo 212, found those temps were to high even de-lidded. Then bought a ZALMAN CNPS11X
which decreased my temperatures slightly more. But at best it gave me 1.180 @ 88C which made absolutely no sense considering other peoples reports. After giving in and buying Liquid Pro that is finally when I saw the temperature drops I expected/wanted.
4.6GHz @ 1.180 Core Voltage @ 88C without liquid pro. Other TIMs averaged between 88C-90C full load nothing remarkable.
4.6GHz @ 1.180 Core Voltage @ 69C with liquid pro on the die only
4.7GHz @ 1.250 Core Voltage @ 77C with liquid pro on die only
4.8GHz @ 1.290 Core Voltage @ 78C with liquid pro on the die and between the heatspreader/heatsink.
My final conclusions are:
1. Normal Thermal Pastes/Greases are not enough to properly conduct the heat away from the Ivy Bridge die. It is clear after these results it should definitely have been soldered. I also don't believe Intel doesn't know their chips drop nearly 20C in some cases using such a process, probably more if it's solder and not liquid pro.
2. The research I did showed negligible gains using liquid pro on the heatsink vs other thermal pastes/greases. This appears to be true because if you look at my results for 4.7 and 4.8 you see they are nearly identical with maybe 5c difference expected using liquid pro vs regular tims. I think I would still use liquid pro though after seeing these results.
To summarize, the heat from the die of Ivy Bridge CPU's IMO cannot be conducted correctly by regular thermal pastes/grease. Only a solder or liquid metal can properly deliver it to the heatspreader. Afterward the tim used becomes less important because the heat has already been dispersed greatly over the spreaders surface.
Thanks!Edited by nature1ders - 5/27/13 at 8:27pm