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
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
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
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
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 Coolermaster Hyper TX2 heatsink maintains a temperature of 29.9°C over ambient, with 53.7dBA noise.

With an 85W heat load applied, the Coolermaster Hyper TX2 maintains an 18.8°C rise over ambient temperature.

One of the nice things about a simple heatsink like the Coolermaster Hyper TX2 is that it doesn't take a big bag of hardware and tools to install. Both types of clips are tool free, so users of any experience level can easily install this heatsink in minutes. The Hyper TX2 even comes with a pre-applied patch of thermal compound, spread evenly over its copper base block.

In terms of acoustics, the Hyper TX2 is a moderately audible cooler. It doesn't produce a high pitched whine or anything like that, so I doubt it will be audible from outside the PC case. Ultimately, if we take into consideration both the AMD and Intel synthetic thermal test results, Coolermaster's Hyper TX2 falls in as a middle of the road heatsink. It offers satisfactory cooling, it won't drive you crazy with noise, and it's affordable. It's just not best in class.

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