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
Apack	Zerotherm BTF92 OC Ed	high	19.0	11.2	53.6
Zalman	CNPS9700 LED	high	19.0	10.4	56.5
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
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
Tuniq	Tower 120	low	24.2	14.4	33.9
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
Coolermaster	Aquagate Mini R80	high	25.7	16.2	59.2
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
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
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
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 models, so frostytech tests heatsinks with two thermal loads that represent the upper limit of each cpu family, 150w and 85w. with a 150w heat load applied by the intel lga775 version of frostytech's synthetic thermal test platform, the Tuniq Tower 120 heatsink yields an Top 10 worthy rise above ambient temperature result of just 19.6°C, with 51.6dBA noise. Tuniq's Tower 120 heatsink was then tested with a 85W heat load, and in this test environment maintained a low 12.2°C rise over ambient temperature.

Fan speed was reduced with the supplied fan speed controller, causing noise levels to decrease from a high of 51.6 dBA to 33.9 dBA. The Tower 120 ran Very quiet indeed.

With this slower fan speed (about 1000RPM), the embedded 120mm fan was able to keep temperatures on the 150W synthetic test platform at a steady 24.2°C over ambient. Next came the 85W test, which resulted in a 14.4°C rise in temperature over ambient.

To put that another way, a decrease in fan speed from 2000 to 1000RPM resulted in a drop in noise from 51.6 dBA to 33.9 dBA - 17.7 dBA. The consequence of which was a rise in temperature in the 150W synthetic temperature test of 4.6°C. For the 85W test scenario, a drop in fan speed caused temperatures to rise by a minor amount, just 2.2°C.

Clearly, the Tuniq Tower 120 is an excellent heatsink for high heat processors and among the best low noise heatsinks out there. The Tuniq Tower 120 heatsink retails for $46USD from CrazyPC.com, so saddle up!

While some of these results aren't included in the above reference chart, we can tell you that the Coolink Silentator is the only heatsink which comes in with lower temperatures and noise levels on the AMD platform. In terms of Intel heatsinks, only the 3Rsystem Iceage 120, Scythe Infinity SCINF-1000, and Scythe Mine Rev. B manage better temperatures with comparable noise levels to that to of the Tuniq Tower 120 heatsink. Check the individual reviews for the full rundown.

There's no getting past the fact the Tuniq Tower 120 is a very large and somewhat bulky heatsink. It's unique thermal design works, and most importantly it works very well as a low noise heatsink. That's something we can all appreciate.... well, no. That's something anyone of us with a large enough case can appreciate. ;) At full fan speed this big cube ranks in with the top 10 best heatsinks Frostytech has tested thus far, and as a low noise heatsink it performs very well on both acoustic and thermal fronts. The mounting hardware may be cude, and installation will require pulling out a motherboard, but the thermal test data gets the last word.

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