FrostyTech.com Heatsink Reviews and Analysis
   
  

TOP 5 Heat Sinks     TOP 5 Low Profile Heat Sinks     TOP 5 Liquid Coolers    
 Heatsinks by Brand / Mfgr      Reviews + Articless     Advanced Search    

Apack Zerotherm CF900 Socket 775 Heatsink Review
Apack Zerotherm CF900 Socket 775 Heatsink Review
  81%   
Abstract: The Apack Zerotherm CF900 heatsink is a stubby little copper heatsink, and a good candidate for any socket 775 Intel Pentium D/Core 2 Duo based computer system.

 Manufacturer  Category  Published  Author 
Apack   Cooling / Heatsinks   Nov 21, 2006   Max Page  

Home > Reviews > Page: Intel LGA775 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)

Apack Zerotherm BTF90 21.8 12.7 52.1
Apack Zerotherm BTF80 22.8 13.9 51.9
Thermalfly F1-IACSHA high 29.0 18.3 60.4
Zalman CNPS9500 AT 29.6 17.3 53.3
Akasa AK-961 30.0 18.7

60.7

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
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
Intel Stock Pentium D high 33.8 20.7 47.5
Thermalfly F1-IACSHA low 36.0 28.3 35.4
Akasa AK-960E 36.1 21.4 56.3
Thermalfly I75DUH 37.8 22.8 48.7
Thermaltake Jungle512 low 37.8 22.2 53.7
Intel Stock Pentium D low 40.3 23.9 40.5
Zalman CNPS7700-Cu low 42.6 24.7 35.1
Apack CF800 low 65.5 42.2 34.6
Apack CF900 low 67.4 39.0 34.7
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.

with a 150w heat load applied by the intel lga775 synthetic thermal test platform , the Apack Zerotherm CF900 heatsink achieves a very nice rise above ambient temperature of 32.9°C. The heatsink's 95mm fan was spinning at 2300RPM during these tests, and so it created about 48.3 dBA noise. Compared to the Intel Pentium D heatsink, the Apack Zerotherm CF900 operate less than a degree cooler under this thermal load. A heat load of 150W is roughly approximate to a stressed Intel Pentium D / Extreme Edition or Core 2 Quad class processor.

The Apack Zerotherm CF900 heatsink was next tested with an 85W heat load, where it maintained a 20.3°C rise over ambient. This is effectively the same as the stock Intel heatsink managed.

We've also included the synthetic temperature test results for the Apack Zerotherm CF900 heatsink with the 95mm fan rotating at its slowest speed. In actual use it would never maintain an 800RPM speed when the temperatures reach this level.

With its fan artificially forced to maintain a low speed of 800RPM the Apack Zerotherm CF900 heatsink operates silently at 34.7 dBA. The heatsink maintains a rise above ambient temperature of 67.4°C at 150W, and 39.2°C at the 85W heat load. At its lowest fan speed the stock Intel heatsink performs far and away better than this. Compared to the CF800 model, these temperatures are virtually the same, though at 85W the CF900 handles the heat somewhat better. To be clear though, the CF900 would not continue to maintain such a low fan speed under the aforementioned temperatures - we just wanted to see how it would react.

On the whole, Apack have managed to produce a heatsink which is effectively equivalent to the stock Intel Pentium D heatsink on the socket 775 platform. Between the all aluminum Apack Zerotherm CF800 and all copper Zerotherm CF900 there is less of a change. We would have expected the copper version to run a bit cooler at full fan speed, but the thermal test results are with a degree of each other when 150W of heat is applied. Bottom line, the Apack Zerotherm CF900 is a good heatsink, as good as the stock Pentium D cooler in fact.

Related Articles:

For more reviews on the latest heatsinks and cooling solutions, rely on FrostyTech's inventory of 350+ heatsink reviews. Here are a few other articles that you might enjoy as well...
- Apack Zerotherm CF800 Socket 775 Heatsink Review
- Akasa AK-960E Socket 775 Heatsink Review
- nPowertek NPH 775-1 Socket 775 Heatsink Review
- Thermaltake Jungle 512 Bifurcated Fin Heatsink Review
- Evercool PT02-9232CP Bifurcated Fin Heatsink
- Thermalfly I75DUH Bifurcated Fin Socket 775 Heatsink Review
- Intel Stock Pentium D Radial Curved non-Bifurcated Fin Heatsink Review
- Thermalfly F1-IACSHA Heatsink Review
- Zalman Fatal1ty FS-C77 Heatsink Review
- Antazone ASC1000 Copper Heatsink Review
- Zalman CNPS9500 AT Socket 775 Low Noise Heatsink Review
- Gigabyte 3D Rocket II Cooler GH-PCU23-VE Heatsink
- Zalman CNPS7700-Cu Low Noise Heatsink
- Thermalright Ultra-120 Low Noise Heatsink
- Zalman CNPS8000 Low Noise Heatsink Review

 Previous Page ° Heat Sink Review Index  

Table of Contents:

 1:  Apack Zerotherm CF900 Socket 775 Heatsink Review
 2:  360° View - Apack Zerotherm CF900 Heatsink
 3:  Acoustic Comparisons and Base Surface Quality
 4: — Intel LGA775 Heatsink Temperature Comparisons

List all Apack heat sinks that Frostytech tested?

Facebook RSS Feed Twitter
Resources
° Got Feedback?
° Mk.II Test Platform
° Where To Buy?
° Manufacturer Index
° Industry Dir.
° Cooling Projects
Recently Tested

Scythe Mugen 5 Rev B SCMG-5100 Heatsink Review

Gelid Tranquillo 4 Air Cooled Heatsink Review

Coolermaster Ergostand III Laptop Cooling Stand Review

Noctua NH-D9DXi4-3U LGA2011 Xeon Server/Workstation Heatsink Review

Noctua NH-L9x65 Low Profile Heatsink Review

Scythe Fuma SCFM-1000 Heatsink
...More Articles >>


Websites you may also like:
PCSTATS


FrostyTech.com
Since June 1999


Find a Heatsink / RSS Feeds
Latest Heatsink Reviews
Top 5 Heatsinks Tested
News RSS Feed
Reviews RSS Feed


Social Media
Facebook
Twitter
Pinterest


FrostyTech.com Info
Feedback
Contact Us / Heatsink Submissions
Submit News
Legal
Suite 66

© Copyright 1999-2022 www.frostytech.com All Rights Reserved. Privacy policy and Terms of Use
Images © FrostyTech.com and may not be reproduced without express written permission. Current students and faculty of accredited Universities may use Frostytech images in research papers and thesis, provided each image is attributed.