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AMD 790FX vs. NVIDIA 780a Chipsets - Power Consumption Tests

With Phenom's B3 revision chips showing more strength, we pit the top motherboard chipsets from AMD and NVIDIA today.

| Editorials in CPUs, Chipsets & SoCs | Posted: Apr 11, 2008 4:00 am

Power Consumption

 

We are now able to find out what kind of power is being used by our test system and the associated graphics cards installed. Keep in mind; it tests the complete system (minus LCD monitor, which is plugged directly into an AC wall socket).

 

There are a few important notes to remember though; while our maximum power is taken in 3DMark06 at the same exact point, we have seen in particular tests the power being drawn as much as 10% more. We test at the exact same stage every time; therefore tests should be very consistent and accurate.

 

The other thing to remember is that our test system is bare minimum - only a 7,200RPM SATA-II single hard drive is used without CD-ROM or many cooling fans.

 

So while the system might draw 400 watts in our test system, placing it into your own PC with a number of other items, the draw is going to be higher.

 

 

Moving into power usage, AMD's push on the power conservation shows here by reducing the overall power usage, but only by a few watts.

 

Further Reading: Read and find more CPUs, Chipsets & SoCs content at our CPUs, Chipsets & SoCs reviews, guides and articles index page.

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