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Neng Tyi NW6700 Copper Socket 478 Heatsink Review
Neng Tyi NW6700 Copper Socket 478 Heatsink Review
Abstract: In terms of cooling hot chips copper is better than gold, literally.

 Company link  Category  Published  Author 
Neng Tyi   Cooling / Heatsinks   Apr 15, 2002   Max Page  
Home > Reviews > Page Title: Test Results - Acoustic Measurements / Thermal Results

Acoustic Samples: Listen to this Heatsink!

For such a large copper heatsink the fan used on the NW6700 some how looks underpowered - in actuality it is one of the noiser Pentium 4 heatsinks we have measured thus far. Keep in mind the list is still growing, but 58 dB is not exactly quiet either. To listen to the NW6700, click on the headphones next to the sound level image and play the MP3 recording.

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-CB00881 50.2 dB
AVC 117140 56.1 dB
NengTyi NW6700 58.0 dB louder

Loudness often translates into a higher power fan, and that usually means better performance. We will have to wait a few moments to find out that one. Compared to the stock Intel heatsink, the NW6700 is significantly louder, so be warned if you are looking for a heatsink with a low noise signature.

Synthetic Temperature Test Results: *Ranked according to 100W interface die test results.

FrostyTech Synthetic Temperature Test Platform Results
Mfg. Model Ambient Temp. 27mm large copper block 27mm large copper block Thermal pad No. Fans Fan Noise Clip force
50W 100W
1 AVC 117140 22.6 37.8 50.4 none 1 med med
2 Arkua 8568 22.4 37.8 51.7 none 1 med med
3 NengTyi XPC5000 23.8 38.4 53.9 none 1 med loud
4 Zalman CNPS6500-AlCu 23.1 40.3 57.4 none 1 low easy
5 Vantec GSN-7025 22.5 41.7 58.5 none 1 med med
6 Chauh Choung DTA-478 22.4 42.1 59.0 carbon 1 low med
7 Intel Socket 478 22.4 41.8 59.8 carbon 1 low med
8 Titan TTC-MT3AB 22.8 41.5 61.2 none 2 loud stiff
9 Dynatron DC1206BM-S 22.4 43.2 62.0 none 1 med med
10 AVC 117160 22.4 42.7 62.2 white pad 1 med med
11 Cho-Liang CL-CB00881 23.6 41.2 65.0
12 Vantec GSN-7015 22.4 47.5 69.0 none 1 loud stiff
50W 100W

NengTyi's first attempt at the socket 478 Pentium 4 processor does very well in the initial attempts, even with a slightly elevated ambient temperature. The fan is moderately more noisy but about the same size at the one on the stock Intel cooler.

Unlike socket A/370 processors it is rare to see really good performance heatsinks for the Pentium 4 processor. We will have to look at the rise above ambient temperatures to see if the NW6700 can hold its third position in this set of reference heatsinks or make a gain.

Rise Above Ambient Temp. (c)
Mfg. Model 27mm large copper block 27mm large copper block



1 AVC 117140 15.2 27.8
2 Arkua 8568 15.4 29.3
3 NengTyi XPC5000 14.6 30.1
4 Zalman CNPS6500-AlCu 17.2 34.3
5 Vantec GSN-7025 19.2 36.0
6 chauh Choung DTA-478 19.7 36.6
7 Intel Socket 478 19.4 37.4
8 Titan TTC-MT3AB 18.7 38.4
9 Dynatron DC1206BM-S 20.8 39.6
10 AVC 117160 20.3 39.8
11 Cho-Liang CL-CB00881 18.2 41.4
12 Vantec GSN-7105 25.1 46.6



True to full-copper form the NW6700 maintains a heathy increase in cooling performance over the stock Intel socket 478 aluminum heatsink. We kind of expected as much, and with a larger fan the lead could potentially be improved even further.

The clipping mechanism makes good use of the socket retention mechanism and holds the NW6700 with a good amount of force. While I haven't heard any stories yet of the HSRM breaking under the load of heavy heatsinks, it may be a wise idea to remove a solid copper heatsink such as this if the computer is being shipped any large distances. After all, we have all seen what FEDEX can do to a package. :)

Bottom line, if you can get your hands on the all copper NW6700 you won't be disappointed by its performance, even with such a horribly scratched and marked base as the one we tested had.

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Heat Sink Review Index  

Table of Contents:

 1:  Neng Tyi NW6700 Copper Socket 478 Heatsink Review
 2:  Close up look at the heatsink
 3:  New Heatsink Test Parameters
 4: — Test Results - Acoustic Measurements / Thermal Results

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Time stamped: 7:33PM, 10.22.2019
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