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Alpha PAL-8150 Athlon64 Heatsink Review
Alpha PAL-8150 Athlon64 Heatsink Review
  84%   
Abstract: The Alpha PAL-8150 heatsink is built to cool recent single and dual core AMD Athlon64/FX/X2 & AMD Opteron processors, and so it's compatible with all socket 939/940/754 CPUs.

 Manufacturer  Category  Published  Author 
Alpha Novatech   Cooling / Heatsinks   Feb 09, 2006   Max Page  

Home > Reviews > Page: Final Heatsink Temperature Comparisons

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

Gigabyte G-Power Pro high 18.6 71.9
Coolermaster Hyper6 high 20.5 54.7
Thermaltake Venus 12 high 21.7 68.1
ASUS Starice high 22.8 67.4
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 CNPS9500LED (clip parallel) high 23.8 50.3
AVC Z7U3301001 (stock 939) high 24.6 59.9
Gigabyte 3D Cooler-Ultra high 24.8 63.0
Scythe Shogun high 26.0 45.9
EKL V8 high 26.3 57.5
Gigabyte 3D Rocket-Pro high 26.9 56.7
Gigabyte 3D Cooler-Pro high 27.0 62.5
Gigabyte 3D-Rocket 28.9 50.7
Vantec Mach1 high 29.2 56.9
CoolJag SFO-D(18SC) 29.6 64.0
Zalman CNPS7000A-Cu high 30.3 45.2
Dynatron SK-V24 30.3 56.4
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
Verax Quattro 1 36.9 30.9
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
Evercool K802-715 42.1 51.5
Evercool Magic Cooler 46.6 55.5
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.

if we look at the test results for the Alpha PAL-8150 heatsink on the synthetic temperature test platform, it is pretty clear that this socket 939/940/754 heatsink performs very well under a 125W heat load. Its resultant rise above ambient temperature of 23.7°C spotlights the Alpha PAL-8150 heatsink as a thermal solution that can handle the task of cooling current AMD Athlon64/FX/X2 processors with grace.

Because cool air is drawn in at the base of the aluminum pin fins, warmed by the transfer of heat energy and then exhausted at the top of the heatsink, a couple of things are assumed. First of all, there should be sufficient space around the sides of the PAL-8150 heatsink so the intake of cool air into the forrest of black anodized aluminum pins is not impeded. Secondly, there should be enough head room above the heatsink for that hot exhaust air to exit without undue flow resistance. A desktop case with side panel venting, or a side case fan set to exhaust air out of the chassis would be ideal.

With sound measurements in the 59 dBA range, the Alpha PAL-8150 heatsink certainly doesn't earn marks for reduced noise levels. Instead, this Alpha heatsink can be looked upon as a performance oriented K8 cooling solution with abundant cooling capacity for the latest and greatest dual and single core AMD Athlon/Opteron processors.

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 Previous Page ° Heat Sink Review Index  

Table of Contents:

 1:  Alpha PAL-8150 Athlon64 Heatsink Review
 2:  360° View - Alpha PAL-8150 Heatsink
 3:  Surface Roughness and Acoustic Comparisons
 4: — Final Heatsink Temperature Comparisons

List all Alpha Novatech heat sinks that Frostytech tested?

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