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CPUfx Core Heatsink Review
CPUfx Core Heatsink Review
Abstract: Right out of the box "The Core" just has to win the coolest-looking heatsink award.

 Manufacturer  Category  Published  Author 
CPUfx   Cooling / Heatsinks   May 28, 2001   Max Page  

Home > Reviews > Page: Synthetic Test Results:
FrostyTech Synthetic Temperature Test Platform (50W heat load)
Mfg. Name Model No. Ambient Temp. (C) Large block (C) Small block (c) Thermal compound Thermal pad No. Fans Fan Noise Clip
1 Globalwin CAK38 25.2 43.5 45.8 silver goo - 1 high hard
2 Thermoengine V60-4210 25.0 43.9 47.6 AOS52029KY grey 1 low mod
3 Zalman CNPS3100 25.2 54.0 48.0 silver goo none 1 lg low med
4 Blizzard S370 25.2 43.3 48.4 silver goo - 1 med easy
5 Vantec FCE-62540D 24.3 43.6 49.3 AOS52029KY - 1 med-high easy
6 Vantec FCE-6030D 26.2 46.6 50.7 silver goo - 1 high med
7 Thermaltake DU0462-9 mini CuOrb 25.2 48.8 53.0 silver goo - 1 med med
8 Blizzard S370-L 25.8 52.4 54.7 silver goo none 1 low easy
9 Neng Tyi SN03 27.7 45.9 57.2 AOS 52029KY green 1 med stiff
10 cpufx The Core 24.5 47.7 61.7 Silver goo - 1 high med
11 Vantec GSW-6015 26.0 48.0 64.2 AOS 52029KY none 1 low easy

The test results of the Core heatsink are less then favorable. For a heatsink which costs what this one does it should really offer a better performance level then it does. Even the might of the Delta fan cannot push the performance of this heatsink up any further then ninth place among our set of reference heatsinks.

The results from our tests on the large copper die template and small copper die template are consistent which would seem to indicate that there is a fundamental flaw in the heat transferring capabilities of the Core. The thermal energy being absorbed by the 15mm thick base may have something to do with this. Additionally, the separation between the holes is only 1mm, which may be insufficient for the heat to migrate towards the upper set of holes.

Rise Above Ambient Temperature (C)
Mfg. Model with large block with small block
1 Globalwin CAK38 18.3 20.6
2 Thermoengine V60-4210 18.9 22.6
3 Zalman CNPS3100 29.5 22.8
4 Blizzard S370 18.1 23.2
5 Vantec FCE-6030D 20.4 24.5
6 Vantec FCE-62540D 19.3 24.9
7 Thermaltake DU0462-9 mini CuOrb 23.6 27.8
8 Blizzard S370-L 26.6 28.9
9 Neng Tyi SN03 18.2 29.5
10 cpufx The Core 23.2 37.2
11 Vantec GSW-6015 22.0 38.2

The rise above ambient temperatures place the core heatsink in the exact same position. Considering that only a few of the other heatsinks even near the core in price this does not speak to well. This is not to say the theory behind the core heatsink is flawed, but under the current dimensions something is causing more heat to be retained then it really ought to.


There could be many reasons for the less than glowing results of the core as a heatsink. While it is one of the most unique and attractive designs to have surfaced in cooling in quite some time, its' performance is about 10-15 degrees less than what it should be for its price. The all copper Blizzard heatsinks are comparable in price and offer substantially better performance for dollar.

Bottom line is that "The Core" heatsink is more eye candy then it is a performance cooler. We'd really like to say different about this very well made heatsink, but unfortunately the test results just don't support it, which is a shame.

 Previous Page ° Heat Sink Review Index  

Table of Contents:

 1:  CPUfx Core Heatsink Review
 2:  The Core Perspectives
 3:  Socket mounting
 4:  FrostyTech Synthetic Temperature Test Platform:
 5: — Synthetic Test Results:

List all CPUfx heat sinks that Frostytech tested?

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