The system being used to test the heatsink is as follows:
CPU: | Intel Core2Duo E6400 |
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Clock speed: | 8 x 266 MHz = 2.13 GHz |
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Motherboard: | Asus P5W DH Deluxe |
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Memory: | 2 x 1GB G.Skill PC2-6400-C4 (DDR2-800) |
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Video Card: | Gigabyte nv6200TC PCI-e |
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Harddisk: | 36GB WD Raptor |
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Power Supply: | Thermaltake ToughPower 750W |
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Software: | Windows XP Pro SP2 |
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Ambient temperature was kept to 26 degrees Celsius (+/- 1°C) and was measured by a standard mercury thermometer.
At stock CPU speeds the Vivo with one fan is not too impressive. However, adding the second fan makes quite a difference, allowing the Vivo to be the best performer in the group.
The overclocking tests were even more impressive. With one fan the Vivo held its own against the group, but with the second fan it was the only cooler to bring the CPU temp under 60°C.