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          | 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 | 
  
    | 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 | 
  
    | 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 | 
  
    | Gigabyte | Volar GH-PSV21-FB | low | 40.3 | 23.8 | 50.1 | 
  
    | 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 | 
  
    | 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 relies on two thermal values 
that represent the upper limits of existing CPU families. With a 150W heat load 
applied by the Intel LGA775 version of FrostyTech's synthetic thermal test 
platform, the Gigabyte Volar heatsink maintains a satisfactory test temperature 
of 36.3°C over ambient (56.1 dBA).
The heat output from Intel processors varies widely between 
single and multi-core processors, so Frostytech relies on two thermal values 
that represent the upper limits of existing CPU families. With a 150W heat load 
applied by the Intel LGA775 version of FrostyTech's synthetic thermal test 
platform, the Gigabyte Volar heatsink maintains a satisfactory test temperature 
of 36.3°C over ambient (56.1 dBA). 
After 
reducing fan speed from 2000RPM to 1500RPM with the included resistor, the Volar 
heatsink yields a moderate increase in temperature to 40.3°C over ambient. Noise 
levels decrease slightly from 56.1 dBA to 50.1 dBA.
Given the unique design of the Gigabyte Volar heatsink, we're left a little 
dissappointed by both the acoustic and thermal results seen here. The Volar 
GH-PSV21-FB cools satisfactorily on both AMD and Intel platforms, but it fails 
to achieve a sufficiently quiet operating mode to really justify itself. Given 
its standing compared to the stock Intel heatsinks in particular, the Gigabyte 
Volar just doesn't offer any advantage.
Unfortunately, in spite of its unique design the 
Gigabyte Volar heatsink only succeeds as a satisfactory heatsink; it doesn't 
offer impressively cool temperatures, it doesn't bring ultra-quiet operation to 
the table. The Volar is one of those heatsinks that looks good, but whose 
performance is the opposite. 
Take a stroll through the heatsink test results charts 
on this page, and the previous, you'll find many other heatsinks that run both 
cooler, and quieter.
Related Articles:
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are ranked here. For more reviews on the latest heatsinks 
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reviews. Here are a few other articles that you might enjoy as well.
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Apack Zerotherm Nirvana 120 Heatsink Review
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