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
Coolink	U1P2	26.1	39.4	44.9		50.9	62.2	none	2	loud	easy
Arkua	628	23.9	42.7	42.1		58.9	62.3	none	1	med	med
Thermal Integration	TI-V77L	26.5	39.1	44.4		57.5	63.6	grey	1	med	med
Sibak	AC02625B	23.2	41.3	59.0		43.2	64.7	none	1	loud	med
Coolink	U2P	27.1	40.6	47.6		55.3	67.6	none	1	loud	easy
Sibak	AC06725TH	22.5	42.9	46.2		61.7	67.7	none	1	Very loud	med
Coolermaster	HHC-001	21.7	40.0	44.8		56.3	68.1	none	1	loud	easy
Tocools	Crown	23.2	38.8	53.2		47.9	70.2	none	1	loud	stiff
Dynatron	DY1206BH-625	23.2	40.0	55.1		47.6	70.4	none	1	loud	stiff
Coolink	H2T	27.1	44.5	49.0		60.8	70.9	none	1	med	easy
AVC	Tundra2	22.0	41.4	47.5		59.0	71.1	none	1	loud	stiff
Coolink	U1L2	26.1	42.3	51.1		57.9	72.2	none	2	med	easy
AVC	112C81	22.0	42.8	48.1		62.4	73.2	black	1	med	med
Vantec	CCK-6027D	27.4	45.4	49.6		64.9	73.4	none	1	med	med
Coolermaster	HSC-V62	21.4	47.4	52.8		61.7	74.5	none	1	quiet	easy
NengTyi	XPC5000	23.9	46.5	49.1		69.1	76.1	none	1	med	med
Coolink	U2L	27.1	45.6	52.6		62.7	76.2	none	1	med	easy
Spire	5F263	22.6	44.7	51.8		64.3	76.2	white	1	low	med
Titan	TTC-CU5TB	24.2	46.2	51.2		61.8	76.4	none	1	loud	stiff
Taisol	CGK760092	23.4	42.7	51.3		61.2	77.5	pink	1	low	med
Spire	5T235	22.3	43.0	50.3		62.8	78.1	white	1	med	med
Zalman	CNPS6000-Cu	24.8	46.4	53.8		65.6	78.2	none	1	very low	easy
Ajigo	MF014-021	27.8	47.6	54.0		65.6	78.5	grey	1	med	med
Ajigo	SF017-011	27.2	47.5	55.1		65.7	78.9	grey	1	med	med
AVC	112AM1	24.8	46.6	52.9		70.1	79.6	none	1	low	stiff
Coolink	H1T	27.1	49.2	53.6		69.4	79.9	none	1	med	easy
Sibak	AE01625B	23.5	40.8	54.4		57.1	81.0	none	1	loud	easy
Coolermaster	HHC-L61	21.5	47.2	48.3		71.2	82.3	none	1	quiet	easy
Thermaltake	Volcano 6cu+	26.5	40.3	55.3		58.6	84.4	carbon	1	loud	med
JMC Products	400023	23.1	44.5	65.2		55.3	85.2	Chomerics T725	1	low	easy
Sibak	AT01515B	23.0	45.1	64.6		60.1	95.2	none	2	med	stiff
Verax	P11T	26.1	61.2	69.7		90.9	102.7	none	1	none	easy
Verax	P14	26.1	56.9	67.4		81.6	101.2	none	1	none	easy
			50W	50W		100W	100W

As there is always some difference in the ambient temperatures during testing, it's interesting to see what changes in order the reference heatsinks take with the heatsink being tested. In this case I think things are going to stay pretty much the same.

True to form, the AVC 112C81 is able to produce some very respectable performance levels; in fact, coming quite close to the levels that the AVC Tundra 2 was able to attain. The copper core in the 112C81 adds that extra amount of surface area for the aluminum extrusion to make contact with - that that means heat energy is spread out over a larger area so that more fins are being used for cooling. The alternative may have been just a hot-spot at the center of the extrusion, which obviously would have been directly under the motor of the fan and doing no one any good.

AVC have let us know that they are actively making the transition from supplying OEM coolers to supplying consumers with heatsinks that work well. While the AVC 112C81 is certainly fine for your average AMD AthlonXP running at stock speeds, I don't think it has the cooling capacity to satisfy any level of performance overclocker.

My only request for this heatsink would be for it to use all three clips on the socket instead of just one. There are too many stories out there of broken socket clips, and use of all three in this instance would be good for everyone. Otherwise, the AVC 112C81 is a heatsink.

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