Stress Testing and Power Consumption
Stress Test — Putting It All Together

Another test we added to the motherboard suite this time around was the stress test.  In this we take all the on-board components and make them all work together just to see if they play nicely. 

In our case here this meant running WMP10 on an HD video, having PCMark05 run some hard drive tests, running HDTach on the external USB hard drive, playing the large WAV file and running the network bandwidth test, all at the same time.  The tests were looped for an hour and we listened for sound ‘jumps’ or video stutters or anything similar.

Asus P5W DH 975X Core 2 Ready Motherboard Review - Motherboards 101

The P5W DH Deluxe passed our stability tests without an issue running Ethernet, USB, graphics and hard drive tests all the same time without slowdown and without crashing.

Power Consumption

In many cases, looking at power consumption of motherboards and chipsets can seem a little over dramatic.  After all, when your GPU eats up a couple hundred watts on its own, whats a few more for a chipset?  Regardless, we felt the need to use our power meter to test for power consumption at the wall. 

Idle power was taken at the Windows desktop while load results were taken from a dual-threaded CineBench run.

Asus P5W DH 975X Core 2 Ready Motherboard Review - Motherboards 102

These results all employ the various SpeedStep and C1E states that Intel’s processors support as long as the options are there for them in the BIOS.  In this case, we can see that NVIDIA’s reference board didn’t set them up quite correctly at this time.  The Asus P5W DH motherboard uses slightly more power at idel than the Intel 975XBX, probably because of the additional features such as the wireless networking and extra SATA channels.

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