Articles: Mainboards
 

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Power Consumption

We performed our power consumption measurements using an Extech Power Analyzer 380803. This device is connected before the PSU and measures the power draw of the entire system (without the monitor), including the power loss that occurs in the PSU itself. In the idle mode we start the system up and wait until it stops accessing the hard disk. Then we use LinX to load the CPU. For a more illustrative picture there are graphs that show how the computer power consumption grows up depending on the number of active execution threads in LinX. The mainboards on the diagrams are sorted in alphabetical order.

I would like to remind you that we enabled all power-saving modes manually on Gigabyte mainboards, because by default they are not working for some reason. Unfortunately, even this measure didn’t help: the difference between Gigabyte and Intel mainboards is noticeable under any type of work load, but in idle mode when there is no load the difference is simply enormous. However, a common home system is indeed idling most of the time, so it is a very serious issue for both Gigabyte mainboards.

 
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