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Scythe Katana II SCKTN-2000 Heatsink Review
Scythe Katana II SCKTN-2000 Heatsink Review
  75%   
Abstract: The Scythe Katana II heatsink boasts four rather unique technologies to its name; OFCS, VFMS, wide range RPM, and four way mounting.

 Manufacturer  Category  Published  Author 
Scythe   Cooling / Heatsinks   Jun 18, 2007   Max Page  

Home > Reviews > Page: 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
Apack Zerotherm BTF80 22.8 13.9 51.9
Cooljag Falcon 92-AL high 23.2 14.2 52.1
Scythe Mine Cooler 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
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
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 can vary widely in heat output between single and multi-core processor families, so we rely on two thermal load values to test Intel heatsinks here at Frostytech. Most single core CPUs output about 85W max, whereas newer quad-core chips can scale close to 135W-150W when fully loaded.

With a 150W heat load applied by the Intel LGA775 version of FrostyTech's synthetic thermal test platform, the Scythe Katana II SCKTN-2000 heatsink maintains a temperature of just 32.5°C over ambient (with 37.9 dBA noise). This is fairly average as you can see by its ranking among the reference heatsinks abov. The Katana II heatsink was then tested with an 85W heat load, representing Intel single core processors like the Pentium D. Scythe's heatsink yielded a rise over ambient temperature of 18.6°C this time around, which is pretty good.

Ultimately though, Scythe's Katana II SCKTN-2000 heatsink is a fairly average thermal solution for Intel and AMD processors. Judging by the thermal test results we've seen here, the Katana II is unable to really pull ahead of the competition. It'll get the job done very quietly indeed, but the Scythe Mine Rev.b and Zalman CNPS9700LED heatsinks will do the same job even cooler still.

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- Xigmatek AIO-S80DP Self-Contained Watercooling Heatsink Review
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- Zalman CNPS7700-Cu LED Low Noise Heatsink Review
- Zalman CNPS9700 LED Low Noise Heatsink Review
- Thermalfly I75DUB Bifurcated Fin Socket 775 Heatsink Review

 Previous Page ° Heat Sink Review Index  

Table of Contents:

 1:  Scythe Katana II SCKTN-2000 Heatsink Review
 2:  360° View - Scythe Katana II SCKTN-2000 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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