GlacialTech Sound Level Measurements: Which Heatsink is Quietest?

Listening to the actual noise a heatsink makes allows you to hear what pure numbers alone cannot get across. To further emphasize FrostyTech's reliance on cold hard facts when evaluating a heatsink, we also take noise level measurements with a sound level meter.

FrostyTech Heatsink Noise Level Measurements
Noise level Decibel measurements of each heatsinks' fan in operation are taken with the aid of a sound level meter and sound isolating enclosure. The values may be higher than the mfgr's listed specs, but are directly comparable to one another. Measurements are made on the dB (A) scale, lower values are best. Information on Frostytech's test methodology is available here.

manufacturer: model no.: fan* speed: noise level (dba): cpu** platform

Scythe Orochi SCORC-1000 27.8 dB Intel/AMD

Scythe Zipang 33.1 dB Intel/AMD

Glacialtech Igloo 5750 Silent 35.5 dB Intel/AMD

Verax Helado 36.3 dB Intel/AMD

Intel Stock Core 2 Duo 36.7 dB Intel

Scythe Mine Rev.B 36.8 dB Intel/AMD

Scythe Infinity SCINF-1000 37.8 dB Intel/AMD

Scythe Katana II 37.9 dB Intel/AMD

Scythe Shuriken high 38.2 dB Intel/AMD

Scythe Andy Samuri Master SCASM-1000 38.4 dB Intel/AMD

Scythe Kama Cross 40.0 dB Intel/AMD

Noctua NH-C12P high 40.4 dB Intel/AMD

Noctua NH-U12P high 40.7 dB Intel/AMD

Asus Triton 85 high 41.1 dB Intel/AMD

Asus Triton 77 high
41.2 dB
Intel/AMD

Coolink Silentator high 41.2 dB Intel/AMD

Scythe Ninja Mini 41.7 dB Intel/AMD

OCZ Vendetta 2 high 41.9 dB Intel/AMD

Noctua NH-U9B high 41.9 dB Intel/AMD

Xigmatek S1284 Achilles high 42.7 dB Intel/AMD

Asus Silent Square EVO high 42.8 dB Intel/AMD

Nexus HOC-9000 high 43.0 dB Intel/AMD

Auras SMF-660 43.4 dB Intel

Glacialtech Igloo 5710 Silent 43.4 dB Intel/AMD

Coolermaster Hyper48 43.6 dB Intel/AMD

Auras LPT-709 43.9 dB Intel/AMD

Arctic Cooling Alpine 7 Pro high 44.1 dB Intel

Asus Triton 79 Amazing 44.3 dB Intel/AMD

Thermalright Ultra 120 Extreme 44.5 dB Intel/AMD

Akasa Revo (horizontal) high 44.5 dB Intel/AMD

Thermalright SI-128SE 44.5 dB Intel/AMD

Asus Lionsquare high 44.7 dB Intel/AMD

Glacialtech Igloo 5610 Silent 44.7 dB Intel

Asus Arctic Square high 44.9 dB Intel/AMD

Zalman CNPS7000B-CU high 44.9 dB Intel/AMD

Glacialtech Igloo 5062 Cu Light 45.2 dB Intel

Noctua NH-U12 45.4 dB Intel/AMD

Coolermaster Hyper 212 45.9 dB Intel/AMD

Scythe Shogun high 45.9 dB Intel/AMD

Rosewill RCX-Z2-EX high 45.9 dB Intel/AMD

Scythe Mugen 46.0 dB Intel/AMD

Asus Silent Knight 2 high 46.2 dB Intel/AMD

Thermalright MST-977SLE 46.5 dB Intel

Intel Stock Pentium D high 47.5 dB Intel

Zerotherm FZ120 high 47.6 dB Intel/AMD

Coolermaster Hyper Z600 47.7 dB Intel/AMD

Akasa AK-975CU high 47.7 dB Intel

nPowertek TTIC NPH-1000 47.5 dB Intel/AMD

3Rsystem Iceage 120 high 47.9 dB Intel/AMD

Zalman CNPS8700 LED high 48.1 dB Intel/AMD

Akasa AK-965 high 48.1 dB Intel

Thermolab TLI-U Nano Silencer 48.0 dB Intel

Apack CF900 high 48.3 dB Intel

Apack CF800 high 48.4 dB Intel

Glacialtech Igloo 5058 Light E 48.5 dB Intel

LS Cable SHS-T700 48.5 dB Intel

Auras CTC-868 (closed) 48.7 dB Intel/AMD

Thermalfly I75DUH 48.7 dB Intel

Coolage Frozen Orb F0-Z924AL high 48.9 dB Intel

Spire SP601B3 48.9 dB Intel/AMD

Apack Zerotherm Nirvana 120 49.2 dB Intel/AMD

Thermaltake DuOrb 49.5 dB Intel/AMD

Coolermaster GeminII S high 49.6 dB Intel/AMD

Asus Triton 75 49.6 dB Intel/AMD

Zalman CNPS7700-Cu LED high 49.8 dB Intel/AMD

nPowertek NPH-775-1 50.1 dB Intel

Xigmatek HDT-S963 high 50.2 dB Intel/AMD

Zalman CNPS9500 LED high 50.3 dB Intel/AMD

Xigmatek HDT-S1283 high 50.7 dB Intel/AMD

Gigabyte 3D-Rocket 50.7 dB Intel/AMD

Zalman CNPS7700-Cu high 50.7 dB Intel/AMD

Zalman CNPS7500-Cu LED high 50.9 dB Intel/AMD

Sunbeamtech Core-Contact Freezer high 51.3 dB Intel/AMD

Alpha Novatech PRE9060M92P high 51.5 dB Intel

Tuniq Tower 120 high 51.6 dB Intel/AMD

OCZ Tempest 51.6 dB Intel/AMD

Apack Zerotherm BTF80 51.9 dB Intel/AMD

Thermolab TLI-S Micro Silencer 52.0 dB Intel

Apack Zerotherm BTF90 52.1 dB Intel/AMD

Cooljag Falcon 92-AL high 52.1 dB Intel/AMD

Auras LPT-700 52.2 dB Intel

Auras SLC-747 high 52.2 dB Intel/AMD

Zalman CNPS9700NT high 52.2 dB Intel/AMD

Glacialtech Igloo 5750 PWM high 52.3 dB Intel/AMD

Xigmatek HDT-S983 high 52.7 dB Intel/AMD

OCZ Vendetta high 52.8 dB Intel/AMD

Cooljag Falcon 92-Cu high 52.8 dB Intel/AMD

SilenX iXtrema IXC-120HA2 high 52.9 dB Intel/AMD

Zalman CNPS9500 AT 53.3 dB Intel

Glacialtech Igloo 5057 E 53.4 dB Intel

Apack Zerotherm BTF92 OC Ed high 53.6 dB Intel/AMD

Coolermaster Hyper TX2 53.7 dB Intel/AMD

Thermalright Ultra 120 53.7 dB Intel/AMD

Xigmatek AIO-S80DP high 55.0 dB Intel/AMD

Verax Quattro 1 high 55.4 dB Intel/AMD

Cooljag OAK-H2 high 55.6 dB Intel

Cooljag OAK-H high 55.7 dB Intel

Gigabyte Volar GH-PSV21-FB high 56.1 dB Intel/AMD

Thermalright Ultra-90 high 56.2 dB Intel/AMD

Akasa AK-960E 56.3 dB Intel

Zalman CNPS9700 LED high 56.5 dB Intel/AMD

Zalman FS-C77 56.5 dB Intel/AMD

Gigabyte 3D Rocket-Pro high 56.7 dB Intel/AMD

Xigmatek HDT-SD964 high 57.2 dB Intel/AMD

Thermaltake MaxOrb high 57.4 dB Intel/AMD

Zalman CNPS8000 high 57.4 dB Intel/AMD

EKL V8 high 57.5 dB Intel/AMD

Sunon Waturbo 57.5 dB Intel

Antazone AS-C1000 57.6 dB Intel/AMD

Noctua NH-U9 58.4 dB Intel/AMD

Rosewill RCX-Z3 high 58.6 dB Intel/AMD

Enzotech Ultra-X high 59.2 dB Intel/AMD

Akasa AK-920 high 59.2 dB Intel/AMD

Coolermaster Aquagate Mini R80 high 59.2 dB Intel/AMD

Glacialtech Igloo 5610 PWM high 59.5 dB Intel

Thermaltake V1 high 59.6 dB Intel/AMd

Rosewill RCX-Z2 59.9 dB Intel

Spire Fourier IV SP607B3-C 60.2 dB Intel/AMD

Akasa AK-922 (EVObue) high 60.3 dB Intel/AMD

Thermalfly F1-IACSHA high 60.4 dB Intel/AMD

Akasa AK-961 60.7 dB Intel

Thermaltake Jungle512 high 60.8 dB Intel

Intel FCLGA4-S Reference (P mode) high 61.1 dB Intel

Ibuypower IBP-Z001 high 61.7 dB Intel/AMD

Gigabyte 3D Cooler-Pro high 62.5 dB Intel/AMD

Gigabyte 3D Cooler-Ultra high 63.0 dB Intel/AMD

Evercool PT02-9232CP 63.3 dB Intel

nPowertek SF 775-2 high 64.6 dB Intel

Gigabyte GH-PCU23-VE high 65.6 dB Intel/AMD

ASUS Starice high 67.4 dB Intel/AMD

Thermalfly I75DUB high 68.5 db Intel

Gigabyte G-Power Pro high 71.9 dB Intel/AMD

noise level (dba)

*unless noted, for reference heatsinks with variable-speed fans only the 'high speed' (12V) fan noise measurement is included in the comparison sheet; more detailed results for the low fan speed (~5V) tests reside in each specific heatsink review. ** 'AMD' denotes compatibility with socket 754/939/940 & AM2 processors where applicable. 'Intel' denotes compatibility with socket 775 platform.

You may have noticed that we've omitted the acoustic sample for the Glacialtech Igloo 5058 Light heatsink. The 80mm fan spins at a fixed speed of 2600RPM, which generates a very moderate 48.5 dBA noise. In real world terms, you won't hear this heatsink outside the case.

The Intel socket 775 thermal test results are up next.

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