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Guru3D.com » Review » Alphacool NexXxoS XP Core i7 water block review » Page 6

Alphacool NexXxoS XP Core i7 water block review - Testing and benchmarking @ 3200 MHz

by Hilbert Hagedoorn on: 02/01/2009 03:00 PM [ ] 0 comment(s)

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Testing and benchmarking

Now that the system is hooked up and actually working with a cooling solution, let's run some performance tests. Initial thoughts: very exciting. We set our room temperature towards roughly 21 Degrees C for an objective comparison.

Mind you that we cool, nearly passive, the Zalman Reserator XT is used here.

The setup used for Project X:

  • Smooth Creations paint job+chassis
  • Core i7 965
  • ASUS Rampage II eXTREME x58
  • 1200 Watt PSU
  • Corsair Dominator DDR3 1866 MHz
  • GeForce GTX 295
  • Alphacool waterblock
  • OCZ SSD
  • WD Raptor 150 GB

And excluding small stuff like DVD-RW etc, this project is very expensive and runs over 3500 EUR.

Right after system boot up the water obviously is cool at room-temperature, the components will be slightly warmer over a longer timeframe due to the nature of water-cooling.

Core i7 965 processor @ 3200 MHz (default)

For our first test we are going to look at the cooling performance of the kit. First let's focus at non-overclocked results. Out mainboard has extra power phases and typically wattage and temperatures run a little higher than your average system.

We tested the processor both in idle (nothing to do) and 100% stressed on all four cores with Prime95 software.

  • Processor clocks at 3200 MHz (~3340 in Turbo mode).
  • Zalman Resorator set at LOW - our primary mission here is to achieve a noiseless environment

In an idle status we see the processor roughly hover at 31 Degrees C / 88 F. Once we stress the four CPU cores real hard, almost unnatural for the PC to do and achieve, we peak at roughly 49 Degrees C / 120 F.

The is just perfect for a high-end processor when not overclocked, with no noise at all.

Alphacool NexXxoS XP Bold HIGHFLOW CPU Cooler for Socket 1366
* screenshots for reference only - actual temp readings where taken after 20 minutes burn in.




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