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ATI Radeon HD 5970 2GB in CrossFireX - Power Consumption Tests

Having been impressed with the new HD 5970 in standard and overclocked form, now it's time to see what magic can be made with two of these bad boys.

| AMD CrossFire Articles in Video Cards | Posted: Jan 1, 1970 12:00 am

Power Consumption Tests

 

 

Using our new PROVA Power Analyzer WM-01 or "Power Thingy" as it has become quickly known as to our readers, 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 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.

 

TweakTown image content/3/0/3017_45.png

 

It comes as no surprise that under load the HD 5970 in CrossFire is going to start sucking down the power. At idle there's very little change when adding the second card. Power draw in excess of 500 Watts shouldn't be an issue for anyone who is going to buy a setup like this as we expect them to have a good quality kilowatt unit installed.

 

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