Intel Retail Heatsink

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Heatsink Test – Joe

SUMMARY: Fine for everyday use.

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The Pentium D 805 that was supplied by Directron was a retail version which comes with a heatsink; I decided to test it to give readers a “dividing line” – anything that performs worse than Intel’s heatsink might be a questionable purchase.

As you can see from the pic, it is a radial design with a copper core. The copper base appears reasonably flat; I used the Poor Man’s Flatness Test on it with good results:

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Rotated 90º:

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The Test

Intel’s retails heatsink was tested on an Asus P5WD2 motherboard P4 Motherboard Test Platform with a modified Pentium D 805 to read CPU case temps (both supplied by Directron).

Heatsink

Case Temp

Ambient Temp

C/W

On-Die Temp¹

Intel 775, 2635 rpm, <50 dBA²

49.9

29.9

0.23

59

¹MBM on-die temperatures.
²50 dBA measured 8″ from the fan intake corresponds to about 30 dBA measured 3 feet from the fan, a very quiet noise level.

Results place Intel’s 775 retail heatsink in the lower rank of heatsinks tested to date (Heatsink Ranking).

CONCLUSIONS

Intel’s 775 retail heatsink does an OK job – not intended for aggressive use, it is fine for everyday use, such as cruising the web, word processing, etc.

Disclosure: Joe Citarella has a financial interest in a company developing thermosyphon products for electronic chip cooling.

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