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Swiftech MCX4000 Pentium 4 Heatsink Review
Swiftech MCX4000 Pentium 4 Heatsink Review
Abstract: YS-Tech developed the TMD fan so that this dead spot would be minimized by about 75%.

 Manufacturer  Category  Published  Author 
Swiftech   Cooling / Heatsinks   Jul 14, 2002   Max Page  

Home > Reviews > Page: Acoustic Test Results

Acoustic Samples: Listen to this Heatsink!

It was hard to tell what to expect from this new type of YS-tech fan, given that is does make noise, but not in the exact same way. During our testing we found that the noise the TMD fan does produce is of a very low pitch, and mostly seems to stem from the air moving through the Swiftech Helicoid pins.

At times I found I didn't even notice the noise, even though the test platform is sitting on the desk right in front of me. Given the even distribution of air from all sides, and from below the fan, it will be interesting to see how this affects the cooling performance of the Swiftech against others in the field. To hear this heatsink for yourself, click on the little headphones below and download the MP3 file of the MCX4000 in operation.

FrostyTech Acoustic Sampling Chamber

Listen to this Heatsink now.
Standard Waveform view of a 10 second recording. Click on the headphones to listen to an MP3 recording of this heatsink in operation.

Sound Level Measurements:

Listening to the actual noise a heatsink makes allows you to hear what pure numbers alone cannot get across. To further emphasize FrostyTech's reliance on cold hard facts when evaluating a heatsink, we also take Decibel readings with a sound level meter. These results may be higher than the manufacturer's listed specs, but then again these are real world measurements.

FrostyTech Sound Level Results
- Manufacturer Model Noise Level Scale
Zalman CNPS6500-AlCu 47.4/28.9 dB quiet
Intel Socket 478 42.5 dB
Cho-Liang CL-CB0094-1A 49.8 dB
Cho-Liang CL-CB00881 50.2 dB
Dynatron DC1207BMW 53.0 dB
Swiftech MCX4000 53.6 dB
Dynatron DC1206BMV 55.1 dB
AVC 117140 56.1 dB
NengTyi NW6700 58.0 dB
Coolermaster IHC-H71 64.4 dB louder

The stock Intel heatsink is pretty damn quiet. This a big reason why many of us have begun to switch over to Intel and leave AMD in the dust. AMD may have better gaming characteristics, but Intel is much quieter, and less hot. In this case the DC1207BMW is dead center in terms of noise production for a socket 478 Pentium 4 heatsink.

 Previous Page ° ° Next Page 

Table of Contents:

 1:  Swiftech MCX4000 Pentium 4 Heatsink Review
 2:  A view from all sides
 3:  Heatsink Test Parameters
 4: — Acoustic Test Results
 5:  Thermal test results

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