Looking at our two contestants made me think of David and Goliath; the already quite beefy SP-94 (~600gr) is simply dwarfed when placed next to the Hyper6 (~1000gr). Does the SP-94 stand a chance against the Hyper6, who has two times the amount of heat pipes and almost double the weight, time to find out.

JMke's Test Setup
CPU	Intel P4 2.4 "C" @ 3 Ghz
Mainboard	Asus P4C800
Cooling	* Cooler Master Hyper6 * Thermalright SP-94
Memory	2 * 256Mb PC3700 OCZ Rev.2
Video	nVidia Geforce 4 Ti4600

Test with included Cooler Master fan


The Hyper6 installed with fan



With both heatsink using the Cooler Master fan at high speed there is no difference, however when running the fan at its slowest setting we see the Hyper6 taking the lead! Cooler Master is marketing the Hyper6 as the ultimate, air cooled, silent heatsink and I guess they have succeeded.


Test with 80mm Tornado fan

The VANTEC Tornado 80mm pushes out an amazing 84CFM. It does this however at a disturbingly high noise rate (55 dBA), meaning that only for benchmarking or gaming in extremely hot environments you could justify the use of this fan.


Vantec Tornado installed on Swiftech MCX478-V


The performance of both heatsinks with the Tornado is quite astonishing, with no clear winner if you look at the maximum temperature obtained


As a final test I pulled the plug of the Cooler Master fan when the CPU was running at full load. The system was configured to shut down when the CPU temperature exceeded 65°C. The SP-94 fell short of 1 minute running time, while it took the Hyper6 a little bit more then 3 minutes before the CPU reached the preset critical temperature. Quite impressive to say the least and it further establishes the fact that this heatsink will excel when used in combination with low noise/cfm fans.

Depending on your motherboard layout, you'll see that the Hyper6 can take practical advantage of any rear output fan installed in your case; as illustrated by the following 2 photos from test systems used by reviewers at Metku and Systemcooling.



Onto the conclusion ->