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Jetart JAP416A Pentium 4 Heatsink Review
Jetart JAP416A Pentium 4 Heatsink Review
  86%   
Abstract: Surprisingly, the all aluminum Jetart JAP416A follows in the footsteps of the performance heatsinks and manages to offer very competitive thermal performance statistics indeed.

 Company link  Category  Published  Author 
Jetart   Cooling / Heatsinks   Dec 19, 2003   Max Page  
Home > Reviews > Page Title: Acoustical and Surface Roughness Tests

Surface Roughness Comparator:

Surface finish is an important factor that we all look for when holding a new heatsink. Flipping a cooler over to see how well the base has been machined is a quick way to judge the attention to detail that was put into making it. The following FrostyTech Surface Roughness Comparator offers a concise cross section common machine surface finishes. Not every heatsink base will fit into the envelope of this gage, but it does offer a very handy set of representations.

This commercially available gage has 22 machined surfaces from 2 to 500 microinches; Lapped (2, 4, and 8 µ" RA), Ground (8, 16, 32, and 63 µ" RA), Blanchard Ground (16 and 32 µ" RA), Shape Turned (32, 63, 125, 250, and 500 µ" RA), Profiled (63, 125, 250, and 500 µ" RA), and Milled (63, 125, 250, and 500 µ" RA).

FrostyTech Surface Roughness Comparator
2L4L8L8G16G16BL32G32BL32ST63G63M63P63ST125M125P125ST250M250P250ST500M500P500ST

The base of a heatsink plays an important role in how well the cooling apparatus interfaces with the processor. Poor surface roughness will affect a good heatsink just as much as a good surface finish will improve thermal conductivity. In an effort to put a more quantitative spin on the comments we provide about base finishes, FrostyTech has begun using a Surface Roughness Comparator.

Move your mouse over the image above to see an example at right. Numbers are in Microinches, and finishes from 2 microinches to 32 microinches are excellent-to-good.

Evaluation Notes:

The Jetart JAP416A heatsink had a surface roughness of approximately 32G which is considered good. The sanded surface is quite flat, which is a good sign.

Acoustic Samples: Listen to this Heatsink!

Considering the size of the fan used on the Jetart JAP416A, the heatsink produces a fairly moderate level of noise, but isn't what I would call really noisy. To listen to this heatsink for yourself in operation, be sure to click on the little headphones icon below and download the Acoustic Sample MP3 file.

(high) FrostyTech Acoustic Sampling Chamber

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

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. Measurements are made on the dB (A) scale.

FrostyTech Sound Level Results
- Manufacturer Model Noise Level Scale
TS Heatronics NCU-1000 passive N/A
Verax P16 35.3 dB
Spire SP420B8 40.2 dB
Zalman CNPS7000-Cu 41.7 dB
ArcticCooling SuperSilent4 Pro 41.8 dB
Zalman CNPS6500-AlCu 47.4/28.9 dB
Zalman CNPS7000A-Cu 42.2 dB
Intel Socket 478 42.5 dB
CoolJag JVC661A 43.9 dB
Arkua 8456X-8T 46.5 dB
Evercool NW9F715CA 47.3 dB
Intel Stock 3.06GHz 47.5 dB
Aopen ACP4LC 48.7 dB
Arkua Q85X-7J 49.0 dB
Arkua 848X-6B 49.3 dB
Titan CW9TB/SC 50.5 dB
Taisol CEP426151A 50.7 dB
Scythe Kamakaze 51.0 dB
Arkua 838T-7G 51.7 dB
Jetart JAP416A 52.8 dB
JMC 401100 53.0 dB
Dynatron DC1207BMW 53.0 dB
Spire SP411C5 53.2 dB
Dynatron DC1207BMY 53.2 dB
Dynatron DC1207BMX 53.4 dB
Thermal Integration (high) TI-V7035TN 53.6 dB
Zalman CNPS5700D-Cu 53.8 dB
Globalwin VA476 54.2 dB
Dynatron DC1206BMV 55.1 dB
Jetart JAP407A 55.7 dB
AVC 117140 56.1 dB
Taisol CEP447181 56.8 dB
Taisol CCP445172 57.5 dB
Cooljag (high) CJC66IC-A 59.1 dB
Dynatron DC1U-B02 62.2 dB
Coolermaster IHC-H71 64.4 dB
Thermalright (high) SLK-900U 67.2 dB louder

With a digital sound meter in hand, we recorded a noise level of 52.8 dBA from about 12" away. This places the Jetart JAP416A heatsink in the moderately noisy section of the list. Up next, the thermal results!



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Table of Contents:

 1:  Jetart JAP416A Pentium 4 Heatsink Review
 2:  Examining the heatsink from all sides
 3:  Heatsink Thermal/Acoustic Test Parameters
 4: — Acoustical and Surface Roughness Tests
 5:  Final Temperature Results

List all Jetart heat sinks that Frostytech tested?

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