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
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
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
Glacialtech	Igloo 5610 PWM	high	25.9	15.9	59.5
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
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
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
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
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.

the heat output from intel processors varies widely between single and multi-core processors, so frostytech uses two values which represent the upper limit of each existing cpu family.

with a 150w heat load applied by the intel lga775 version of frostytech's synthetic thermal test platform, the Scythe Ninja Mini (SCMNJ-1000) heatsink yields a rise above ambient temperature of 33.7°C (41.7 dBA) at the fans' stock speed of 2300RPM. The processor equivalent of this heat load would be an Intel Pentium D / Extreme Edition or Core 2 Quad class CPU.

To measure the effectiveness of the Scythe Ninja Mini heatsink on a Intel Core 2 Duo class processor, an 85W heat load is applied next. The Scythe Ninja Mini heatsink handles this well, with a 19.9°C rise over ambient temperature.The Scythe Ninja Mini heatsink is also compatible with socket 478 processors, but Frostytech does not test cooler on this CPU platform any longer.

On both Intel and AMD test platforms the Scythe Ninja Mini provides good, but not exceptional thermal performance results. Instead of breaking temperature records, the Ninja Mini handles more like a lower noise heatsink with a relatively compact footprint. The cooler is pretty bulky from side-to-side, but stands only 110mm tall. Most lower noise heatsinks tower to heights of +145mm or more, so its nice that Scythe are providing heatsinks that can be used in compact PC chassis. If heatsink size is not an issue for you, there are many heatsinks which run significantly cooler, but only a handful that are both cooler and quieter.

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