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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’s power consumption grows up depending on the number of active execution threads in LinX (both at the default and overclocked system settings). The mainboards are sorted in alphabetical order on the diagrams.

In both modes – nominal as well as overclocked – the power consumption of GigabyteGA-Z68X-UD3H-B3 is at the anticipated normal level under heavy load as well as in idle mode.


Summing up the results of our GigabyteGA-Z68X-UD3H-B3 review, we can conclude that it is a very stable board that makes great impression. It didn’t work any wonders, but the most important thing for a mainstream product is to deliver on the users’ expectations and not to disappoint them with anything major. And the board did it well. It supports a variety of contemporary interfaces, such as eSATA, USB3.0, SATA 6 Gbps and IEEE1394 (FireWire), including an entire range of video outputs: D-Sub, DVI-D, HDMI and DisplayPort. Our today’s hero, GigabyteGA-Z68X-UD3H-B3, differs from the four previously reviewed Gigabyte mainboards not only by the available video outputs, but also by LucidLogix Virtu technology support. So, if you do not intend to use this technology or the built-in graphics, so maybe it would be better to go for one of the other four options, just to save some space on the back panel.

By the way, I can’t help mentioning that GigabyteGA-Z68X-UD3H-B3 is the first Gigabyte mainboard we tested so far that by default allows the processor to go into deep power-saving modes that is why its power consumption doesn’t differ too much from that of other manufacturers’ products, when the CPU is idling. Moreover, this ensures that Intel Turbo Boost technology works to the utmost of its capacity, just like Intel had planned for their processors, that is why the performance of the system based on this particular mainboard will be good in any operational mode and under any type of operational load. As a result, GigabyteGA-Z68X-UD3H-B3 will be a good choice for very different user groups.

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