Processor(s): Intel Pentium 4 2.8GHz "C" (Supplied by Altech Computers)
Motherboard(s): Abit IC7 (Supplied by Altech Computers)
Video card(s): PowerColor Radeon 9800 Pro (Supplied by Altech Computers)
Memory: 2 X 256 Meg Corsair PC-3500(Supplied by Altech Computers)
Hard Disk(s): Seagate 80GB 7200RPM (Supplied by Altech Computers)
Operating System Used: Windows XP Professional
Drivers Used: Catalyst 3.4
Software Used: SiSoft Sandra MAX 3 and Winbond Hardware Doctor
Test System Notes
Temperatures were taken two different ways - from the inbuilt HyrdoCool display (for the water cooling only) and from within Windows with Winbond Hardware Doctor for the HyrdoCool and stock Intel HSF, which, as we mentioned earlier, provides a more accurate reading than the inbuilt HyrdoCool display monitor as the reading from within Windows is taken much closer to the processor core.
SiSoft Sandra MAX 3 was used to generate load by using the Burn-In Wizard that we ran for 15 minutes on each. We then took three random readings during each of the tests and averaged them out which gave us our final load results at default and overclocked speeds.
Idle Temperature - Default Clock
At default clock speeds, we see 6c or roughly a 17% difference between the Hydrocool and the stock Intel HSF. You will also notice that the HydroCool temperature display is 10c from the actual processor temperature reinforcing our statement about the problem with where Corsair placed the probe.
Load Temperature - Default Clock
As soon as the processor is put under load, we notice 10.5c or roughly a 24% difference between the two coolers and the temperature display way out again.
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