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Evercool K802-715CA Athlon64 Heatsink Review
Evercool K802-715CA Athlon64 Heatsink Review
  66%   
Abstract: Consumers investigating this model from Evercool had best limit its application to lower model number socket 754/939 Athlon64/Sempron CPUs.

 Manufacturer  Category  Published  Author 
Evercool   Cooling / Heatsinks   Sep 15, 2005   Max Page  

Home > Reviews > Page: Surface Roughness and Acoustic Comparisons

Acoustic Samples: Listen to this Heatsink!

With the Evercool K802-715CA spinning at a glorious 3500 revolutions per minute, noise levels are noticeable but not ear splitting. This heatsink should work fine in office environments, but might not be the best solution for a home or dorm-room PC that is left on 24x7. listen to this heatsink in operation, be sure to click on the little headphones icon below and play the sample MP3 file.

FrostyTech Acoustic Sampling Chamber
Standard Waveform view of a 10 second recording. Click on the headphones icon to listen to an MP3 recording of this heatsink in operation. High-Speed Recording.

Sound Level Measurements: Which Heatsink is Quietest?

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 noise level measurements with a sound level meter.

FrostyTech Heatsink Noise Level Measurements
Noise level Decibel measurements of each heatsinks' fan in operation are taken with the aid of a sound level meter and sound isolating enclosure. The values may be higher than the mfgr's listed specs, but in this list are directly comparable to one another. Measurements are made on the dB (A) scale. Information on Frostytech's test methodology is available here.
Manufacturer: Model No.: *Fan Speed: Noise Level (dBA):

Verax Quattro 1 30.9 dB Quiet
Gigabyte NeonCooler 8-BL 42.0 dB
Coolermaster Hyper48 43.6 dB
Dynatron A22 44.5 dB
Zalman CNPS7000B-CU high 44.9 dB
Zalman CNPS7000A-Cu high 45.2 dB
Zalman CNPS7000-Cu high 45.2 dB
Ajigo MF043-044 45.4 dB
Scythe Shogun high 45.9 dB
Scythe Kama SCKK1000 47.5 dB
Thermaltake Silentboost K8 49.7 dB
Zalman CNPS9500LED high 50.3 dB
Gigabyte 3D-Rocket 50.7 dB
Evercool K802-715 51.5 dB
Scythe Samurai SCSM1000 high 51.6 dB
nPowertek NPH K8-1 52.2 dB
Jetart JAX801 53.5 dB
Coolermaster Hyper6 high 54.7 dB
Evercool Magic Cooler 55.5 dB
Dynatron SK-V24 56.4 dB
Gigabyte 3D Rocket-Pro high 56.7 dB
Vantec Mach1 high 56.9 dB
EKL V8 high 57.5 dB
Alpha PAL-8150 58.9 dB
Coolermaster Aquagate Mini high 59.2 dB
AVC Z7U3301001 high 59.9 dB
Cooljag SFO-H high 60.6 dB
Gigabyte 3D Cooler-Pro high 62.5 dB
Gigabyte 3D Cooler-Ultra high 63.0 dB
Titan TTC-K8ATB/825/SC 63.1 dB
CoolJag SFO-D(18SC) 64.0 dB
ASUS Starice high 67.4 dB
Thermaltake Polo 735 high 68.0 dB
Thermaltake Venus 12 high 68.1 dB
Gigabyte G-Power Pro high 71.9 dB Loud
noise level (dba)
*unless noted, for reference heatsinks with variable-speed fans only the 'high speed' (12V) fan noise measurement is included in the comparison sheet; more detailed results for the low fan speed (~5V) tests reside in each specific heatsink review.

Given the small size of the Evercool K802-715CA's 70mm fan, a noise level of about 51 dBA is not too surprising. The heatsink is moderately noisy, but not so much so that it will be completely distracting outside the case in an office environment. Pretty average results really, but it should be abundantly clear that the K802-715CA does not classify as a low noise heatsink.

Surface Finish Comparator Notes: Flatness and Finish

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 test involves the use of a Surface Roughness Comparator, which offers a concise cross section common machine surface finishes.

The Evercool K802-715CA heatsink has a surface roughness of approximately ~48 microinches, which is considered satisfactory. Next, let's see how this heatsink handles the heat compared to a selection of other heatsinks!

 Previous Page ° ° Next Page 

Table of Contents:

 1:  Evercool K802-715CA Athlon64 Heatsink Review
 2:  360° View - Evercool K802-715CA Heatsink
 3: — Surface Roughness and Acoustic Comparisons
 4:  Final Heatsink Temperature Comparisons

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