FrostyTech Synthetic Temperature Test Platform Results
	Mfg.	Model	Ambient Temp.	27mm large copper block	15mm small copper block		27mm large copper block	15mm small copper block	Thermal pad	No. Fans	Fan Noise	Clip force
				50W	50W		100W	100W
1	Arkua	628	23.9	42.7	42.1		58.9	62.3	none	1	med	med
2	Thermal Integration	TI-V77L	26.5	39.1	44.4		57.5	63.6	grey	1	med	med
3	Sibak	AC02625B	23.2	41.3	59.0		43.2	64.7	none	1	loud	med
4	Swiftech	MCXC370	21.4	38.3	43.4		53.5	65.7	none	1	med	med
5	Coolermaster	HHC-001	21.7	40.0	44.8		56.3	68.1	none	1	loud	easy
6	Tocools	Crown	23.2	38.8	53.2		47.9	70.2	none	1	loud	stiff
7	Dynatron	DY1206BH-625	23.2	40.0	55.1		47.6	70.4	none	1	loud	stiff
8	Vantec	CCK-6027D	27.4	45.4	49.6		64.9	73.4	none	1	med	med
9	Coolermaster	HSC-V62	21.4	47.4	52.8		61.7	74.5	none	1	quiet	easy
10	Cybercooler	P5750	23.3	43.4	49.2		63.5	74.9	none	1	loud	med
11	Swiftech	MCX370	22.3	42.0	46.1		60.3	75.6	none	1	med	hard
12	NengTyi	XPC5000	23.9	46.5	49.1		69.1	76.1	none	1	med	med
13	Spire	5F263	22.6	44.7	51.8		64.3	76.2	white	1	low	med
14	Taisol	CGK760092	23.4	42.7	51.3		61.2	77.5	pink	1	low	med
15	Spire	5T235	22.3	43.0	50.3		62.8	78.1	white	1	med	med
16	Zalman	CNPS6000-Cu	24.8	46.4	53.8		65.6	78.2	none	1	very low	easy
17	AVC	112AM1	24.8	46.6	52.9		70.1	79.6	none	1	low	stiff
18	GlacialTech	Igloo 2310	23.5	44.9	53.7		66.7	80.8	silver	1	med	very stiff
19	Sibak	AE01625B	23.5	40.8	54.4		57.1	81.0	none	1	loud	easy
20	Coolermaster	HHC-L61	21.5	47.2	48.3		71.2	82.3	none	1	quiet	easy
21	Thermaltake	Volcano 6cu+	26.5	40.3	55.3		58.6	84.4	carbon	1	loud	med
22	JMC Products	400023	23.1	44.5	65.2		55.3	85.2	Chomerics T725	1	low	easy
23	Sibak	AT01515B	23.0	45.1	64.6		60.1	95.2	none	2	med	stiff
				50W	50W		100W	100W

Extruded aluminum heatsinks have begun to show their age and tend to land lower in the list of reference coolers than full copper, or copper-aluminum heatsinks generally do. This is not to say that they do no have their place in computers, but the applications should be chosen a little more carefully.