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Akasa AK-876 AMD Athlon64 Heatsink Review
Akasa AK-876 AMD Athlon64 Heatsink Review
Abstract: As you might expect, the Akasa AK-876 is a lower noise AMD processor heatsink that is both easy to install and fairly lightweight. A thermally controlled fan was abandoned for a PWM compliant one instead.

 Company link  Category  Published  Author 
Akasa   Cooling / Heatsinks   Jul 02, 2007   Max Page  
Home > Reviews > Page Title: AMD 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
Zalman CNPS9700 LED high 16.5 56.5
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
Thermalright Ultra-90 high 18.2 56.2
Gigabyte G-Power Pro high 18.6 71.9
Enzotech Ultra-X high 18.7 59.1
Noctua NH-U9 18.8 58.4
Evercool Buffalo HPEA-10025 19.5 50.2
Cooljag Falcon 92-AL high 19.8 52.1
Akasa AK-876 high 20.0 48.2
Xigmatek HDT-S963 high 20.1 50.2
Akasa AK-920 high 20.2 52.9
Scythe Mine Rev.B 20.4 36.8
Cooljag Falcon 92-Cu high 20.4 52.8
Apack Zerotherm BTF90 20.5 52.1
Coolermaster Hyper6 high 20.5 54.7
Asus Arctic Square high 20.9 38.3
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
Scythe Kama Cross 25.1 40.0
OCZ Tempest 26.0 51.6
Scythe Shogun high 26.0 45.9
Rosewill RCX-Z2-EX high 26.3 45.9
EKL V8 high 26.3 57.5
Rosewill RCX-Z3 high 26.5 58.6
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-922 (EVObue) high 27.9 60.3
Akasa AK-876 low 28.0 34.1
Zalman CNPS7700-Cu LED high 28.1 49.8
Akasa AK-873 high 28.2 59.2
Scythe Katana II 28.3 37.9
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
Thermalright SLK-948U 29.4 58.8
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
Xigmatek AIO-S80DP high 30.7 55.0
Zalman CNPS7000-Cu high 31.0 45.2
Coolermaster Hyper48 31.7 43.6
Rosewill RCX-Z1 high 31.9 54.1
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
Spire Fourier IV SP607B3-C 38.4 60.2
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


Arctic Cooling Freezer 64 LP 45.3 42.6
Evercool Magic Cooler 46.6 55.5
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 FrostyTech's synthetic thermal test platform, the Akasa AK-876 heatsink yields a rise above ambient temperature of 20.0°C (48.2 dBA) will the fan operates at the nominal speed of 2500RPM. Once the 95mm PWM fan speed is then reduced to ~600/800RPM, the AK-876 heatsink is able to maintain a temperature of 28.0°C over ambient (noise 34.1 dBA).

When operated with its fan at full speed the Akasa AK-876 heatsink is a very gook AMD K8 heatsink, although it's up against some very serious competition from the likes of Thermalright, Zalman, AVC and others. The Noctua NH-U12 in particular runs both cooler and quieter, which is quite a feat.

Still, given the 80+ heatsinks has compared the Akasa AK-876 against, it certainly handles itself very well. At its lowest fan speed setting, the AK-876 performs dead middle of the road - again an impressive result given its 34 dBA noise level. Akasa have very good lower noise AMD K8 heatsink here, but the AK-876 is by no means the best Frostytech has tested for this platform. Instead, the Akasa AK-876 offers a very good mix of great temperatures and reduced noise output.

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Heat Sink Review Index  

Table of Contents:

 1:  Akasa AK-876 AMD Athlon64 Heatsink Review
 2:  360° View - Akasa AK-876 heatsink
 3:  Acoustic Comparisons and Base Surface Quality
 4: — AMD Heatsink Temperature Comparisons

List all Akasa heat sinks that Frostytech tested?

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