With Intel’s new LGA775 Prescott processor on the market there is now a need for a new heatsink design. The current heatsink that Intel provides with their retail processors looks pretty unimpressive and will probably lead people to find an aftermarket solution. Currently there are not many aftermarket heatsinks out right now because the processors and motherboards still quite new. Thermaltake seems to be the one of the first on the market with this new type of heatsink and call it the Jungle 512. I’m not quite sure where this name came from but it is definitely an interesting one.
Detailed Specifications:
Fan Dimensions: 92x92x32 mm
Heatsink Dimension: 90×40 mm
Fan Speed At 30°C=2300RPM±10% & at 38°C= 3600RPM±10%
Max air flow: At 30°C=54.91 CFM & at 38°C= 87.70 CFM
Air Pressure: At 30°C=2.83mmH2O & at 38°C=7.00mmH2O
Noise level: At 30°C=21 dBA & at38°C= 43 dBA
Bearing Type: 1 Ball & 1 Sleeve
Life Expectation: 60,000 Hours (About 6 years 8 months)
Thermal Resistance 0.285 °C/W
The box of the Jungle512 is pretty slick looking and has quite a bit of red in it. Opening the box I found that the use of red continued with the fan blades being the same color.
The fan used on this heatsink is 92x92x32mm which is larger than the traditional 80mm fan. You can see from the picture the 4 pin connector which implements Pulse Width Modulation (PWM). What this means simply is that the motherboard monitors your system and when it gets to a certain temperature it decreases the voltage to the fan by half which also reduces the RPM by half. This lightens the load on your power supply, reduces noise, and keeps your processor cool all at the same time. This heatsink has a push pin design and requires no tools to install which is great. The core is made of copper and is covered with some generic thermal compound.
I went ahead and took the fan off and below the fan is an hollow circular area made of copper. This should allow the aluminum fins attached to the copper to cool it down and should work pretty well. From the side of the heatsink you can see the mounting pins which are used to secure the heatsink to the motherboard. I can’t tell if the new mounting design will be better, worse, or the same as the socket 478 system until I actually install it.
I will be using an Asus P5GD2 Deluxe motherboard with my Intel 2.8Ghz Pentium 4. Idle temperatures were taken while doing nothing in Windows XP and the load temperatures were achieved by using Prime95 to bring the processor to 100% utilization. Installation was pretty simple and quick because of the push pins used; it was just like installing a large northbridge or GPU cooler. Uninstallation was also quite simple and quick, by turning each pin counterclockwise with a screwdriver you can effortlessly remove each pin.
Test Bed:
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I used Intel’s heatsink provided with my retail Pentium 4 2.8GHz to compare against this heatsink. I initially ran the heatsink with the generic thermal compound provided but when I got high temperatures I thought that could have been part of the reason. I removed the thermal compound it came with and replaced it with Arctic Silver 5 but that didn’t change things much. I then tried reseating the heatsink many times again with no significant change in results. After trying all that I gave into the idea that it might just be the motherboard reporting incorrectly. So I switched the motherboard to an Albatron PX915G Pro and still got very similar results. I again reseated the heatsink a few times on the Albatron board and used Arctic Silver 5 which didn’t change anything. As you can see from the graph below the idle temperature with the Jungle512 is 48 degrees while the Intel reference heatsink is a degree lower. After bringing the processor to 100% utilization the temperature was 62 degrees with the Intel heatsink being 2 degrees lower. Not only were the temperatures very high but the fan is very loud, much louder than the Intel heatsink. Conclusion: Cons: |