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Apack Zerotherm BTF-92 OC Edition Heatsink Review
Apack Zerotherm BTF-92 OC Edition Heatsink Review
  80%   
Abstract: Apack's BTF92 OC ed. heatsink features a free-floating UFO-bearing 92mm fan spinning at 2300RPM by default. The included fan speed controller can bring impeller speeds down to 1000RPM if desired.

 Company link  Category  Published  Author 
Apack   Cooling / Heatsinks   Nov 30, 2007   Max Page  
Home > Reviews > Page Title: Intel LGA775 Final Heatsink Temperature Comparisons

FrostyTech Mk.II Synthetic Thermal Heatsink Test Results
Intel Pentium D / Extreme Edition & Quad Core class heatsinks tested at 150W
Intel Core 2 Duo / Pentium 4 / Celeron class heatsinks tested at 85W

Results based on readings from a 30x30mm copper interface die with 150W and 85W heat loads applied on the LGA775 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 775 compatible CPU heatsinks
Manufacturer: Model No.: Fan Speed: 150W
Thermal Test* (°C)
85W
Thermal Test (°C)
Noise Level (dBA)

Thermalright Ultra 120 17.8 10.6 53.7
3Rsystem Iceage 120 high 18.2 12.1 47.9
Apack Zerotherm BTF92 OC Ed high 19.0 11.2 53.6
Zalman CNPS9700 LED high 19.0 10.4

56.5

Thermalright Ultra-90 high 19.6 13.0 56.2
Enzotech Ultra-X high 20.0 8.5 59.1
Apack Zerotherm BTF90 21.8 12.7 52.1
Xigmatek HDT-S963 high 21.9 13.7 50.2
Akasa AK-965 high 22.2 13.8 48.1
Apack Zerotherm BTF80 22.8 13.9 51.9
Cooljag Falcon 92-AL high 23.2 14.2 52.1
Rosewill RCX-Z3 high 23.3 14.0 58.6
Coolink Silentator high 23.5 16.4 41.2
Scythe Mine Rev. B 23.6 15.0 36.8
Cooljag Falcon 92-Cu high 23.6 14.8 52.8
Akasa AK-920 high 24.3 14.1 52.9
Asus Arctic Square high 24.9 14.9 44.9
Akasa AK-922 (EVObue) high 25.5 15.4 60.3
Coolermaster Aquagate Mini R80 high 25.7 16.2 59.2
Auras SLC-747 high 27.9 25.7 52.2
Thermalfly F1-IACSHA high 29.0 18.3 60.4
nPowertek TTIC NPH1000 29.3 16.8 47.5
Thermalfly I75DUB high 29.5

16.8

68.5
Zalman CNPS9500 AT 29.6 17.3 53.3
Alpha Novatech PRE9060M92P high 29.9 18.5 51.5
Scythe Kama Cross 30.0 18.8 40.0
Akasa AK-961 30.0 18.7

60.7

Rosewill RCX-Z2-EX high 30.1 18.7 45.9
nPowertek NPH-775-1 30.1 18.8 50.1
Sunon Waturbo 30.6 18.3 57.5
Apack CF800 high 31.4 20.7 48.4
Thermaltake Jungle512 high 31.6 20.4 60.8
Coolage Frozen Orb F0-Z924AL high 32.0 19.9 48.9
Xigmatek AIO-S80DP high 32.4 21.4 55.0
Scythe Katana II 32.5 18.6 37.9
Rosewill RCX-Z2

32.6

19.3 59.9
Zalman CNPS7700-Cu high 32.9 19.7 50.7
Apack CF900 high 32.9 20.3 48.3
Evercool PT02-9232CP 33.3 19.9 63.3
Zalman CNPS7700-Cu LED high 33.5 20.6 49.8
Intel Stock Pentium D high 33.8 20.7 47.5
nPowerTek SF775-2 high 34.7 21.1 64.6
Apack Zerotherm BTF92 OC Ed low 36.1 20.5 36.8
Akasa AK-960E 36.1 21.4 56.3
Zalman CNPS7500-Cu LED high 36.4 22.9 50.9
Thermalfly I75DUH 37.8 22.8 48.7
Akasa AK-975CU high 38.4 23.0 47.7
Cooljag OAK-H high 38.5 22.9 55.7
Cooljag OAK-H2 high 38.6 24.1 55.6
LS Cable SHS-T700 38.7 22.8 48.5
Intel Stock Core 2 Duo 49.2 29.0 36.7
Glacialtech Igloo 5062 Cu Light 50.6 29.7 45.2
Glacialtech Igloo 5057 E 58.5 36.1 53.4
Spire Fourier IV SP607B3-C 63.6 18.7 60.2
Cooljag OAK-H low 95.3 54.5 29.5
150W
Thermal Test (°C)
85W
Thermal Test (°C)
Noise Level (dBA)
*Heatsinks are ranked according to the 150W 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.

Intel processors vary in power output between single and multi-core processors, so FrostyTech tests heatsinks with two thermal loads that represent the upper limit of each CPU family. With a 150W heat load applied by the Intel LGA775 version of FrostyTech's synthetic thermal test platform, the Zerotherm BTF92 OC ed. heatsink yields an excellent rise above ambient temperature of 19.0°C, with 53.6dBA noise. The Zerotherm BTF92 OC ed. heatsink was also tested with a 85W heat load, and in that circumstance maintained a low 11.2°C rise over ambient temperature.

Fan speeds were then dialed down from 2300RPM to 1000RPM. This caused temperatures to rise on the 150W synthetic test platform to 36.1°C above ambient, while noise levels fell to 36.8 dBA. On the 85W test, the Zerotherm BTF92 OC ed. heatsink maintained a temperature of 20.5°C over ambient.

Key to a heatsink such as this is good airflow. The fan exhaust should always be directed towards the rear of the computer where case fans and the power supply can aid in the removal of warm air from within the chassis. The widely spaced copper fins offer little resistance to airflow and consequently a slower speed fan meshes nicely with the design.

With an emphasis on copper and widely spaced cooling fins, the Apack Zerotherm BTF92 OC edition heatsink is still a remarkably successful thermal solution. It performed very well on the Intel platform in particular, and is quite good, but eclipsed by many other coolers on the AMD platform.

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 Previous Page °
Heat Sink Review Index  

Table of Contents:

 1:  Apack Zerotherm BTF-92 OC Edition Heatsink Review
 2:  360° View - Apack Zerotherm BTF92 OC ed. Heatsink
 3:  Acoustic Comparisons and Base Surface Quality
 4:  Intel LGA775 Final Heatsink Temperature Comparisons
 5: — Intel LGA775 Final Heatsink Temperature Comparisons

List all Apack heat sinks that Frostytech tested?

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