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Gigabyte G-Power Pro GH-PDU21-MF Heatsink Review
Gigabyte G-Power Pro GH-PDU21-MF Heatsink Review
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Abstract: The Gigabyte G-Power Pro heatsink is a radical design that works very well at medium to high fan speeds. The heatsink is designed to work on AMD Athlon64 socket 754/939/940, Intel Pentium 4 socket 775/478, and AMD K7 socket 462/A/370 processors.

 Company link  Category  Published  Author 
Gigabyte   Cooling / Heatsinks   Dec 07, 2005   Max Page  
Home > Reviews > Page Title: Surface Roughness and Acoustic Comparisons

Acoustic Samples: Listen to this Heatsink!

The Gigabyte G-Power Pro heatsink weighs in at 50.9 dBA on the low side, and 71.9 dBA with the 25mm thick Everflow fan spinning at full speed. To listen to this heatsink in operation, be sure to click on the headphones icons below and play the each of the sample MP3 files.

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. Low-Speed Recording. 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):

Verax Quattro 1 30.9 dB Quiet
ASUS Starice low 34.4 dB
Gigabyte 3D Cooler-Pro low 38.8 dB
Gigabyte NeonCooler 8-BL 42.0 dB
Gigabyte 3D Cooler-Ultra low 42.8 dB
Coolermaster Hyper48 43.6 dB
Gigabyte 3D Rocket-Pro low 43.8 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 (clip parallel) high 50.3 dB
Gigabyte 3D-Rocket 50.7 dB
Gigabyte G-Power Pro low 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
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.

The Gigabyte G-Power Pro covers both noise level extremes. With the fan dialed down to the slowest RPM setting it is effectively a lower noise heatsink. However, when the fan is running at its full speed (default 12V), the situation is unbearably loud at 71.9 dBA. We've included the acoustic results from all of Gigiabyte's recent heatsinks in this list so you can get a sense of where the Gigabyte G-Power Pro heatsink stands.

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 Gigabyte G-Power Pro heatsink has a surface roughness of approximately ~16 microinches, which is considered satisfactory. Next, let's see how this heatsink handles the heat compared to a selection of other Athlon64 K8 heatsinks!



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Table of Contents:

 1:  Gigabyte G-Power Pro GH-PDU21-MF Heatsink Review
 2:  360° View - Gigabyte G-Power Pro GH-PDU21-MF Heatsink
 3: — Surface Roughness and Acoustic Comparisons
 4:  Final Heatsink Temperature Comparisons

List all Gigabyte heat sinks that Frostytech tested?

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