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) | 
  
    
       
     | 
  
    | Xigmatek | 
    HDT-S1283 | 
    high | 
    16.8 | 
    10.7 | 
    50.7 | 
  
    | Thermalright | 
    Ultra 120 | 
     | 
    17.8 | 
    10.6 | 
    53.7 | 
  
    | 3Rsystem | 
    Iceage 120 | 
    high | 
    18.2 | 
    12.1 | 
    47.9 | 
  
    | Thermalright | 
    Ultra 120 Extreme  | 
     | 
    18.4 | 
    11.4 | 
    44.5 | 
  
    | 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  | 
  
    | Xigmatek | 
    HDT-S983 | 
    high | 
    19.5 | 
    11.8 | 
    52.7 | 
  
    | 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 | 
  
    | Apack | 
    Zerotherm Nirvana 120 | 
    high | 
    19.8 | 
    12.3 | 
    49.2 | 
  
    | Enzotech | 
    Ultra-X | 
    high | 
    20.0 | 
    8.5 | 
    59.1 | 
  
    | Zalman | 
    CNPS9700NT | 
    high | 
    20.3 | 
    12.4 | 
    52.2 | 
  
    | Scythe | 
    Infinity SCINF-1000 | 
     | 
    20.3 | 
    12.6 | 
    37.8 | 
  
    | OCZ | 
    Vendetta | 
    high | 
    21.3 | 
    13.5 | 
    52.8 | 
  
    | 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 | 
  
    | Scythe | 
    Andy Samuri Master SCASM-1000 | 
     | 
    26.7 | 
    14.2 | 
    38.4 | 
  
    | Auras | 
    SLC-747 | 
    high | 
    27.9 | 
    25.7 | 
    52.2 | 
  
    | Auras | 
    LPT-700 | 
     | 
    28.3 | 
    16.9 | 
    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  | 
  
    | Auras | 
    LPT-709 | 
     | 
    30.1 | 
    18.6 | 
    43.9 | 
  
    | 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 | 
  
    | Gigabyte | 
    Volar GH-PSV21-FB | 
    high | 
    36.3 | 
    22.1 | 
    56.1 | 
  
    | Auras | 
    SMF-660 | 
     | 
    36.4 | 
    23.0 | 
    43.4 | 
  
    | 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 | 
  
    | Arctic Cooling | 
    Alpine 7 Pro | 
    high | 
    40.5 | 
    23.8 | 
    44.1 | 
  
    | 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 | 
  
    | Asus | 
    Triton 75 | 
     | 
    58.6 | 
    16.1 | 
    49.6 | 
  
    | 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. | 
  
 the heat output from intel processors varies widely between 
single and multi-core processors, so frostytech tests heatsinks with two thermal 
values that represent the upper limits of both existing cpu families. with a 150w heat 
load applied by the intel lga775 version of frostytech's synthetic thermal 
test platform, the Asus Triton 75 heatsink maintains a poor 
temperature result of 58.6°C over ambient (49.6dBA noise). To be frank, the Triton 75 fails 
this test. 
In the 
test, the actual heatsink temperature slowly climbed from an initial 54°C, 
to 85°C, while the aluminum fins did not mirror 
this change. In other words, the Asus Triton 75's four heatpipes failed to 
handle the 150W heat load and stalled. The base temperature continued to rise while 
the aluminum fins remain relatively cool. The Triton 75 didn't fair very well in the 
125W AMD test either, but oddly enough the cooler handles an 85W heat 
load better. 
With a 85W 
heat load next applied by the Frostytech synthetic test platform, the 
Asus Triton 75 heatsink was able to maintain 
a good 16.1°C 
rise over ambient temperature. Much like the Spire Fourier IV, this heatsink 
design works well enough with lower wattage processors, but completely fails 
when faced with a 150W heat load. A heat load of this 
class represents Intel's top end processors in a stressed environment. 
 
    Ultimately the Asus Triton 75 is 
only a viable heatsink for 85W or lower Intel processors (including the new 
energy efficient 65W models). Even in that scenario, there are plenty of better 
heatsinks to choose from; heatsinks that operate cooler, that are user friendly and 
which allow you to upgrade to a more powerful CPU in the future. Bearing all 
that, we'd recommend you avoid the Asus Triton 75 heatsink. 
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