FrostyTech Mk.III Synthetic Thermal Heatsink Test Results Intel Core i7, Extreme Edition class heatsinks tested at a 200W heat load. Results based on readings from a 38x38mm copper interface die with 200W heat load on the Intel version of the Mk.III 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 LGA2011/1366 compatible CPU heatsinks
manufacturer:	model no.:	*fan speed:	200w thermal test (°c)	noise level (dba)
Coolermaster	Seidon 240M	high	13.4	55.6
Silverstone	Tundra TD02	high	13.6	53.0
Coolermaster	Glacer 240L	high	14.1	52.5
NZXT	Kraken X60	high	14.5	60.7
Noctua	NH-U14S		17.0	47.3
Coolermaster	Seidon 120V	high	17.5	54.3
NZXT	Kraken X40	high	18.2	59.4
Silverstone	Tundra TD03	high	18.7	58.1
Silverstone	Argon AR01	high	18.8	53.0
Coolermaster	Eisberg 240L	high	19.1	50.5
Raijintek	Themis	high	19.7	52.8
Coolermaster	V8 GTS	high	20.0	59.7
Corsair	Hydro H80i	high	21.1	64.0
Noctua	NH-U12S		21.1	46.2
Raijintek	Ereboss	high	21.4	49.7
Zalman	Reserator 3 Max	high	21.6	58.9
Scythe	Mugen 4	high	21.7	41.9
Zalman	LQ315	high	21.9	50.8
Silverstone	NT06-P	high	22.1	51.6
Raijintek	Aidos	high	23.0	55.6
Zalman	LQ310	high	23.8	52.7
Zalman	LQ320	high	25.5	50.2
Scythe	Mugen 4	low	31.7	30.3
Silverstone	NT01-Pro	high	35.8	40.4
			200w thermal test (°c)	noise level (dba)
*heatsinks are ranked according to the 125w 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.

frostytech's socket LGA2011 Intel synthetic thermal test platform stresses socket LGA2011/1366 compatible heatsinks with a 200W heat load. Keep in mind that the AMD Integrated Heat Spreader and Intel LGA2011 Integrated Heat Spreader both measure ~38x38mm, so these test results can be extrapolated to AMD processor scenario's as well.

With a 200W heat load applied by the Intel LGA2011/1366 version of FrostyTech's synthetic thermal test platform, the Scythe Mugen 4 heatsink yielded a temperature test result of 21.7°C over ambient at 1400RPM fan speed. This puts the Mugen 4 heatsink near the middle of the pack, although noise output is still very low. Dropping the 120mm PWM fan speed to 600RPM caused test temperatures to increase to 31.7°C over ambient.

In the face of increasingly bulky heatsinks and all-in-one watercooling systems that run north of $100, it's good to find a heatsink that keeps noise output low, while offering decent thermal performance in a relatively compact tower-heatsink format.

The Scythe Mugen 4 impressed us on the 200W LGA2011 thermal test platform in particular, not because it's the best (it isn't), but because it held noise levels low while still offering good thermal performance... just run the fan at full speed.

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