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AVC Z7UB301 AMD Reference Athlon64 Heatsink Review
AVC Z7UB301 AMD Reference Athlon64 Heatsink Review
  80%   
Abstract: The AVC Z7UB301 heatsink is one of the first stock Socket 754 heatsinks AMD shiped with its processors, and it is currently used with most Socket 939 Athlon64 CPU models too.

 Manufacturer  Category  Published  Author 
AVC   Cooling / Heatsinks   Nov 28, 2005   Max Page  

Home > Reviews > Page: Surface Roughness and Acoustic Comparisons

Acoustic Samples: Listen to this Heatsink!

With the fan on the AVC Z7UB301 heatsink spinning around at approximately 2900 revolutions per minute, noise levels are very low. This heatsink should work fine in office environments, though it can get a little loud when its fan spins at full speed (sound recording unavailable). To 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.com 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 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):

Gigabyte NeonCooler 8-BL 42.0 dB Quiet
Coolermaster Hyper48 43.6 dB
AVC Z7U3301 low 44.2 dB
Dynatron A22 44.5 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 (clip parallel) high 50.3 dB
Gigabyte 3D-Rocket 50.7 dB
Arctic Cooling Freezer 64 Pro 50.9 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
Verax Quattro 1 high 55.4 dB
Arctic Cooling Silencer 64 Ultra TC high 55.5 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 Z7U3301 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 speed of the AVC Z7UB301's 70mm fan, a noise measurement of 44 dBA is not too surprising. The heatsink becomes somewhat noisy (59.9 dBA) when temperatures rise and fan speed increases to 5400RPM. On the whole though, these are pretty average results. Since this is one of AMD's reference heatsinks, the sound level results can be looked at as the benchmarks for comparing other heatsinks against.

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 AVC Z7UB301001 heatsink has a surface roughness of approximately ~32 microinches, which is considered good. 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:  AVC Z7UB301 AMD Reference Athlon64 Heatsink Review
 2:  360° View - AVC Z7UB301001 Heatsink
 3: — Surface Roughness and Acoustic Comparisons
 4:  Final Heatsink Temperature Comparisons

List all AVC heat sinks that Frostytech tested?

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