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Akasa AK-873 AMD Athlon64 Heatsink Review
Akasa AK-873 AMD Athlon64 Heatsink Review
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Abstract: The Akasa AK-873 is a socket AM2 or 754/939/940 AMD Athlon64 heatsink, and it comes with its own fan speed controller which enables it to shift from high speed operation to whisper quiet.

 Manufacturer  Category  Published  Author 
Akasa   Cooling / Heatsinks   Nov 27, 2006   Max Page  

Home > Reviews > Page: AMD K8 Heatsink Temperature Comparisons

FrostyTech Mk.II Synthetic Thermal Heatsink Test Results
AMD Athlon64 / FX / X2 & Sempron class heatsinks
Results based on readings from a 38x38mm copper interface die with 125W heat load on the K8 version of the Mk.II Test Platform. Temperature results listed for each heatsink were calculated by determining the rise over ambient temperatures at time of test. Information on Frostytech's test methodology is available here.
Socket 939/940/754 & AM2 compatible CPU heatsinks
manufacturer: model no.: *fan speed: 125w thermal test (°c) noise level (dba)

Thermalright Ultra-120 12.4 53.7
AVC Z7U7414001 (stock AM2) high 17.0 63.0
Noctua NH-U12 17.5 45.4
Gigabyte GH-PCU23-VE high 17.5 65.6
Gigabyte G-Power Pro high 18.6 71.9
Noctua NH-U9 18.8 58.4
Apack Zerotherm BTF90 20.5 52.1
Coolermaster Hyper6 high 20.5 54.7
Apack Zerotherm BTF80 21.3 51.9
Thermaltake Venus 12 high 21.7 68.1
Cooljag SFO-Q high 22.2 60.6
ASUS Starice high 22.8 67.4
Zalman CNPS9500 AM2 high 23.0 53.2
Arctic Cooling Freezer 64 Pro 23.2 50.9
Coolermaster Aquagate Mini high 23.2 59.2
Thermaltake Polo 735 high 23.4 68.0
Cooljag SFO-H high 23.6 60.6
Alpha PAL-8150 23.7 58.9
Zalman CNPS9500 LED high 23.8 50.3
Verax Helado 24.3 36.3
AVC Z7U3301001 (stock 939) high 24.6 59.9
Zalman CNPS8000 high 24.8 57.4
Gigabyte 3D Cooler-Ultra high 24.8 63.0
OCZ Tempest 26.0 51.6
Scythe Shogun high 26.0 45.9
EKL V8 high 26.3 57.5
Thermalfly F1-IACSHA high 26.6 60.4
Zalman FS-C77 26.7 56.5
Gigabyte 3D Rocket-Pro high 26.9 56.7
Zalman CNPS7700-Cu high 27.0 50.7
Gigabyte 3D Cooler-Pro high 27.0 62.5
nPowerTek NPH-Big K8 27.8 54.0
Akasa AK-873 high 28.2 59.2
Spire SP601B3 28.3 48.9
Ajigo MF064-074 high 28.8 60.3
Gigabyte 3D-Rocket 28.9 50.7
Vantec Mach1 high 29.2 56.9
CoolJag SFO-D(18SC) 29.6 64.0
Antazone AS-C1000 30.2 57.6
Arctic Cooling Alpine 64 30.5 43.9
Zalman CNPS7000A-Cu high 30.3 45.2
Dynatron SK-V24 30.3 56.4
Verax Quattro 1 high 30.7 55.4
Zalman CNPS7000-Cu high 31.0 45.2
Coolermaster Hyper48 31.7 43.6
Scythe Kama SCKK1000 31.9 47.5
Scythe Samurai SCSM1000 high 32.1 51.6
Zalman CNPS7000B-CU high 32.3 44.9
Thermaltake Silentboost K8 32.3 49.7
Jetart JAX801 33.2 53.5
Dynatron A22 34.5 44.5
nPowertek NPH K8-1 34.6 52.2
Ajigo MF043-044 (stock 754) 35.0 45.4
Arctic Cooling Silencer 64 Ultra TC 37.5 55.5
Gigabyte NeonCooler 8-BL 37.7 42.0
Titan TTC-K8ATB/825/SC 38.7 63.1
Akasa AK-860SF 39.4 45.2
Evercool K802-715 42.1 51.5
Spire SP741B3 43.2

45.6

Evercool Magic Cooler 46.6 55.5
Akasa AK-873 low 46.7 37.3
ASUS Starice low 92.4+ 34.4
125w thermal test (°c) noise level (dba)
*heatsinks are ranked according to the 125w thermal test results column (rise over ambient temp.). low temperatures with low noise levels are considered best. for reference heatsinks with variable-speed fans, only the high speed (12v) fan test result is included in the comparison sheet; more detailed results reside in each specific heatsink review.

with a 125w heat load applied by the amd k8 version of the frostytech synthetic thermal test platform, the akasa ak-860sf heatsink runs a nice 28.2°c above the ambient temperature, with 59.2 dba noise. using the supplied fan speed controller we can decrease noise output considerably to a whisper quiet 37.3 dba. to do that though, the fan speed drops from 3400rpm to 1500rpm, and this has negative effect on the ability of the akasa ak-873 heatsink to cool properly. the decrease in airflow directly causes temperatures rise to 46.7°c above ambient.

overall we've seen what the Akasa AK-873 heatsink can do, and at its full speed the cooler is well positioned to offer great performance for any K8 processor. The Akasa AK-873 really isn't well suited to operating as a low noise heatsink, not because it doesn't run quietly enough (it does, 37.3 dBA is certainly silent), but because its fins are too closely spaced to accommodate such low air flow. As a result, while in quite mode the AK-873 heatsink performs quietly, but not very coolly... and there are certainly quite a few other K8 heatsinks which are better suited for low noise operation.

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 Previous Page ° Heat Sink Review Index  

Table of Contents:

 1:  Akasa AK-873 AMD Athlon64 Heatsink Review
 2:  360° View - Akasa AK-873 Heatsink
 3:  Acoustic Comparisons and Base Surface Quality
 4: — AMD K8 Heatsink Temperature Comparisons

List all Akasa heat sinks that Frostytech tested?

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