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Sapphire Radeon HD 7770 1GB OC Video Cards in CrossFire - Power Consumption Test

We pair the Sapphire HD 7770 with another and see how CrossFire HD 7770 performance looks.

| AMD CrossFire Articles in Video Cards | Posted: Feb 27, 2012 3:40 pm
TweakTown Rating: 81%      Manufacturer: Sapphire

Power Consumption Test

 

 

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 SSD hard drive is used with a single CD ROM and minimal 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/4/5/4572_42_sapphire_radeon_hd_7770_1gb_oc_video_cards_in_crossfire.png

 

Power draw is strong and you can see that it sits only a little higher than the single HD 7950. The less attractive number is the idle number that sits higher than the HD 7900 cards.

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