XFX ATI Radeon HD5670 1GB Passive Heatpipe CFx Review

To test power consumption today we are using a Keithley Integra unit and we measure power consumption from the VGA card inputs, not the system wide drain. The best way to get maximum load results is by using Furmark, and even though it is not indicative of a real world situation it shows the limits the card can theoretically demand. The ‘gaming’ results are measured when playing Crysis Warhead and is a more valuable result to take from this.

At idle these cards only consume around 13 watts of power which is fantastic. When gaming this rises to around 52 watts. This is a very efficient board design combining reasonable gaming performance with minimum consumption. Obviously when adding two cards this power consumption doubles. Gaming and Furmark results aren’t exactly 200%, falling slightly shy of each figure by a few watts.

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