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Scythe Kama Cross SCKC-1000 Heatsink Review
Scythe Kama Cross SCKC-1000 Heatsink Review
  78%   
Abstract: Scythe's Kama Cross heatsink is compatible with socket 754/939/940/AM2 AMD Athlon64 and socket 478/775 Intel Core 2 Duo/Quad processors.

 Company link  Category  Published  Author 
Scythe   Cooling / Heatsinks   Jul 02, 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
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
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
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
Thermalfly I75DUH 37.8 22.8 48.7
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 Frostytech relies on two thermal loads that represent the upper limit of both CPU families to test each heatsink. With a 150W heat load applied by the Intel LGA775 version of FrostyTech's synthetic thermal test platform, the Scythe Kama Cross (SCKC-1000) heatsink maintains a temperature of 30.0°C over ambient (with 40.0 dBA noise).

As far as Intel heatsinks go, this is a good result that places the Kama Cross at about the middle of the Intel heatsink reference list. In comparison, the Scythe Mine Rev. B heatsink runs about 6°C cooler.

The Kama Cross heatsink was next tested with an 85W heat load, and in this situation it held steady at 18.8°C over ambient temperatures. The fan speed was maintained at 1500RPM, so noise levels didn't fluctuate from 40.0 dBA.

Ultimately, the Scythe Kama Cross heatsink is a great low noise cooling option that places at the middle of Frostytech's heatsink reference list when it comes to temperatures. The nice 100mm fan holds steady with whisper quiet operation (40 dBA), but that doesn't allow the Kama Cross from overtaking other Scythe heatsinks like the Mine Rev.B cooler. In the end, that makes the Kama Cross is a good low noise, but average heatsink for Intel and AMD processor platforms.

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 Previous Page °
Heat Sink Review Index  

Table of Contents:

 1:  Scythe Kama Cross SCKC-1000 Heatsink Review
 2:  360° View - Scythe Kama Cross SCKC-1000 Heatsink
 3:  Acoustic Comparisons and Base Surface Quality
 4:  AMD K8 Heatsink Temperature Comparisons
 5: — Intel 775 Heatsink Temperature Comparisons

List all Scythe heat sinks that Frostytech tested?

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