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Spire Fourier IV SP607B3C Heatsink Review
Spire Fourier IV SP607B3C Heatsink Review
  65%   
Abstract: Spire's Fourier IV SP607B3-C is a heavy heatsink, and it installs with very secure mounting hardware that is quite inconvenient.

 Company link  Category  Published  Author 
Spire   Cooling / Heatsinks   Sep 04, 2007   Max Page  
Home > Reviews > Page Title: Intel 775 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
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
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
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
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
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 widely in heat output between single and multi-core processors, so we rely on two values which represent the upper limit of both existing CPU families to test thermal solutions. With a 150W heat load applied by the Intel LGA775 version of FrostyTech's synthetic thermal test platform, the Spire Fourier IV heatsink maintains a pretty poor temperature of 63.6°C over ambient (with 60.2dBA noise).

For a heatsink made entirely of copper, these results are particularly surprising. We can only assume the heatpipes are not functioning properly, either because of poor design, defect, or that the system has been stalled by the 150W heat load used in this test.

The Spire Fourier IV heatsink next tested with an 85W heat load, akin to a Pentium D or Core 2 Duo processor. This time around the Spire Fourier IV heatsink performed much better; temperatures held steady at a nice 18.7°C over ambient at full fan speed. Once again, the fan noise was a bit loud (60.2 dBA) for a CPU cooler compared to the many other alternatives noted in the reference list above.

When the 92mm fan on the Spire Fourier IV heatsink fan is running at full tilt, blowing air up from the bottom to the top, the thermal results on the LGA775 platform are only good with an 85W heat load. The heatsink is ill equipped to handle a 150W heat load. In Frostytech's tests, we observed a quick rise in temperature followed by a slow but steady crawl up the temperature dial. This leads us to believe the four 6mm diameter heatpipes stalled, perhaps as a result of their ~240mm length and two 90 degree bends.

Ultimately, the Spire Fourier IV heatsink is not a cooler we recommend, although it is completely suitable for processors with a TDP around 85W, as noted. The AMD platform saw only satisfactory performance on the whole, and with a loud fan, heavy weight, and utterly cumbersome mounting system the Spire Fourier IV heatsink makes a poor choice.

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For more reviews on the latest heatsinks and cooling solutions, rely on FrostyTech's inventory of 400+ heatsink reviews. Here are a few other articles that you might enjoy as well...

- Thermalright Ultra-90 Low Noise Heatsink Review
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 Previous Page °
Heat Sink Review Index  

Table of Contents:

 1:  Spire Fourier IV SP607B3C Heatsink Review
 2:  360° View - Spire Fourier IV SP607B3C heatsink
 3:  Acoustic Comparisons and Base Surface Quality
 4:  AMD K8 Heatsink Temperature Comparisons
 5: — Intel 775 Heatsink Temperature Comparisons

List all Spire heat sinks that Frostytech tested?

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