iXBT Labs - Computer Hardware in Detail






65 Socket A Coolers Benchmarking, 2002-2003

Part 3. Test Results (temperature, thermal resistance, noise level)

Part 1. Adda, AVC, Cooler Master and Evercool Coolers

Part 2. GlacialTech, Molex and Spire Coolers

Part 3. Thermaltake, Titan and Zalman Coolers

Our updated testing technique for Socket A coolers is given in the GlacialTech Igloo 2310 and Igloo 2400 Coolers Review (the general issues and the original version of the testing technique can be found in the article Coolers Comparative Testing Technique). The procedure hasn't changed considerably since that time. 

The testbed is traditionally based on the Fujitsu Siemens Computers D1289 mainboard. 

This board features the temperature monitoring system based on Philips Semiconductors NE1617A chip. The chip is located very close to the socket and minimizes various distortions making the measurements very precise. 

Test system: 

  • Fujitsu Siemens Computers D1289-B11 mainboard
  • AMD Athlon XP 1800+ CPU (Thoroughbred, cpuid 680) 
  • OS Microsoft Windows XP

CPUBurn burnk7 utility is used for modeling a nearly maximum load, and Fijitsu Siemens Computers System Guard utility is used for temperature control. 

Diagram 1. Temperature
Each cooler was tested with Stars 420 thermal grease
The diagram  shows the complex result
Diagram 2. Thermal resistance

Thermal resistance θja can be found from the following equation: θja = (Tj - Ta)/Ph, where Tj is core temperature, Ta is ambient temperature (here it is 33°C), Ph is processor thermal power (here it is 48 W). 

Finally, here are noise level measurements (the test tecnique is described in Coolers Noise Characteristics and Noise Measurement Technique). 
Diagram 3. Noise characteristics
Note: The background noise level makes 19 dBA
Now we move to our Table of Ranks, the complex estimation of coolers consumer qualities. 

Part 5. Ratings (technical-economical coolers map, performance and economical ratings)

Appendix. Coolers consumer qualities assessment (new edition)


Vitaly Krinitsin (vit@ixbt.com)

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