CPU Cooler Charts 2008, Part 3 - Are Box Coolers any Good?

Slower Fans For E6300 And E6400 Series

The thermal dissipation loss is virtually proportional to the core frequency. Simply put, the higher the CPU frequency, the higher the resulting thermal power loss. The reverse is true as well, though, meaning that CPUs with lower clock speeds require less elaborate cooling.

Box cooler of the E6300 and E6400 series

This is why Intel ships its Core 2 models of the E6300 and E6400 lines with a modified box cooler. Although it shares the same design using a copper core surrounded by aluminum cooling fins with its high-performance siblings, it sports a different fan. Its motor is only a 2.4 watt model, compared to the 4.7 watt version on the more powerful coolers.

The back of the box cooler with preapplied thermal compound.

As a result of the less powerful fan motor, the fan speeds are also lower. This model reaches a maximum speed of 1740 RPM, while its idle speed is 820 RPM.

This cooler comes with a high-speed fan...

...while this one sports a lower-speed model.

Such a pared-down model is no longer able to cool the quad-core processor. Under full load, the CPU temperature rises to 92.8°C, which is just below the throttling threshold. On the plus side, the cooler never gets louder than 40 dB(A) thanks to its slower fan, by no means loud enough to become annoying.

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Technical Data
CPU100% loadidle
Temperature PWM92.8°C50.5°C
Noise40.2 dB(A)39.2 dB(A)
Fan speed1740 RPM820 RPM
Weight436 gramsRow 4 - Cell 2
Intel socket775Row 5 - Cell 2

  • Hugger
    I have read the 3 part article on cpu coolers a few times.
    In each part, the author shows the names of all the coolers that are included in the tests.
    Xigmatech is one of those names.
    However, I can't find test results for that cooler.
    I'm ordering parts and have read good things about the Xigmatech but wanted to read the review here too.
    Am I missing it or has it been left out?
  • bbies1973
    In other forums I have seen the dispute about the best air cooler being between three models that were not tested in here. Dissapointing because two of the manufacturer's submitted coolers for this test. The three are:
    Zalman 9700 (8700 was tested here)
    ThermalTake CL-P0401 V1 (Thermaltake was listed but I didn't see any of their products in the article)
    Third, Tuniq Tower 120. (Tuniq is a subsidiary of Sunbeam, and neither are listed as represented companies for the test.

    I would love to see a part 4 coming with these three pieces represented.
  • Sigh. I looked at this list and then looked at the lists on frostytech, and none of the products coincide... how convenient.
  • ripusheet01
    how a fanless cpu cooler be noisy? how can be sound of a fanless heatsink be measured?
  • dragunover
    This article is Bull,it doesn't list the common coolers,and he obviously used crap thermal grease.Arctic Silver 5 and a Xigmatek/Scythe/Tuniq anyone?
  • gto127
    It's strange that thermalright isn't mentioned here. They've been consistantly at the top of the cooling game for years and are included in most site cool off tests and come up on top quite frequently. Please include in future tests.
  • Twist86
    Seems like none of the best coolers are mentioned here. Just ones that are over priced/out performed by cheaper coolers.

    Zalman 9700
    Xigmatek S1283
    Tuniq Tower 120

    This review fails.