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Glacialtech Igloo 5750 PWM Heatsink Review
Glacialtech Igloo 5750 PWM Heatsink Review
  81%   
Abstract: In this review Frostytech is testing out Glacialtech's new Igloo 5750 PWM heatsink - a versatile CPU cooler with twin Pulse Width Modulation controlled 92mm fans.

 Company link  Category  Published  Author 
glacialtech   Cooling / Heatsinks   Dec 27, 2007   Max Page  
Home > Reviews > Page Title: Intel LGA775 Final 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
Coolermaster Hyper 212 19.0 11.8 45.9
Apack Zerotherm BTF92 OC Ed high 19.0 11.2 53.6
Zalman CNPS9700 LED high 19.0 10.4

56.5

Scythe Mugen 19.5 11.4 46.0
Tuniq Tower 120 high 19.6 12.2 51.6
Thermalright Ultra-90 high 19.6 13.0 56.2
Enzotech Ultra-X high 20.0 8.5 59.1
Scythe Infinity SCINF-1000 20.3 12.6 37.8
Noctua NH-U12P high

21.3

13.4 40.7
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
Coolink Silentator high 23.5 16.4 41.2
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
Glacialtech Igloo 5750 PWM high 24.9 14.6 52.3
Asus Arctic Square high 24.9 14.9 44.9
Akasa AK-922 (EVObue) high 25.5 15.4 60.3
Coolermaster Aquagate Mini R80 high 25.7 16.2 59.2
Asus Silent Square EVO high 25.8 15.6 42.8
Glacialtech Igloo 5610 PWM high 25.9 15.9 59.5
Thermalright SI-128SE 26.5 15.2 44.5
Glacialtech Igloo 5750 PWM low 26.6 15.9 38.6
Auras SLC-747 high 27.9 25.7 52.2
Thermalfly F1-IACSHA high 29.0 18.3 60.4
nPowertek TTIC NPH1000 29.3 16.8 47.5
Glacialtech Igloo 5710 Silent 29.4 18.0 43.4
Thermalfly I75DUB high 29.5

16.8

68.5
Zalman CNPS9500 AT 29.6 17.3 53.3
Glacialtech Igloo 5750 Silent 29.8 18.5 35.5
Coolermaster Hyper TX2 29.9 18.8 53.7
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
Glacialtech Igloo 5610 Silent 30.4 17.1 44.7
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
Scythe Ninja Mini 33.7 19.9 41.7
Thermalright MST-977SLE 33.8 20.0 46.5
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
Glacialtech Igloo 5062 Cu Light 50.6 29.7 45.2
Glacialtech Igloo 5057 E 58.5 36.1 53.4
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 in power output between single and multi-core processors, so FrostyTech tests heatsinks with two thermal loads that represent the upper limit of each CPU family. With a 150W heat load applied by the Intel LGA775 version of FrostyTech's synthetic thermal test platform, the Glacialtech Igloo 5750 PWM heatsink yields a rise above ambient temperature of 24.9°C at full fan speed, with 52.3dBA noise. Fan speed was then dialed down to 800RPM, wherein test temperatures rose to 26.6°C while sound levels decreased to 38.6dBA.

The Igloo 5750 PWM heatsink was then tested with an 85W heat load, and in this case the cooler maintained a test result of 14.6°C over ambient temperature at full fan speed, and 15.9°C at reduced fan speed.

From these thermal and acoustic test results, we can see that between the Glacialtech Igloo 5750 PWM and 5750 Silent heatsinks the former offers better bang for the buck. Under a reduced fan speed mode, the Igloo 5750 PWM effectively matches the noise level of the 5750 Silent, while providing lower temperatures. Yet, as the dual fans on the Igloo 5750 PWM reach full speed, the impact to temperatures is somewhat mute - on both the 150W and 85W synthetic test platforms temperatures decrease by only a few degrees despite a large increase in noise output.

Related Articles:

The Top 5 best heatsinks for low noise and low temperature are ranked here.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.

- Asus Silent Square EVO Heatsink Review
- Thermalright MST-977SLE Intel Heatsink Review
- Scythe Infinity SCINF-1000 Heatsink Review
- Coolermaster Hyper 212 Heatsink Review
- Thermalright SI-128SE Heatsink Review
- Glacialtech Igloo 5750 Silent Heatsink Review
- Scythe Infinity SCINF-1000 Heatsink Review



 Previous Page °
Heat Sink Review Index  

Table of Contents:

 1:  Glacialtech Igloo 5750 PWM Heatsink Review
 2:  360° View - Glacialtech Igloo 5750 PWM Heatsink
 3:  Acoustic Sample and Heatsink Sound Levels
 4:  AMD K8 Heatsink Temperature Comparisons
 5: — Intel LGA775 Final Heatsink Temperature Comparisons

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