How Much Power Does Your Graphics Card Need?

Tom's Hardware writes: "The power consumption of today's graphics cards has increased a lot. The top models demand between 110 and 270 watts from the power supply; in fact, a powerful graphics card under full load requires as much power as the rest of the components of a PC system combined. If you're planning to upgrade to a dual-chip card or to extend your system with a second video card using SLI or CrossFire, then the GPU plays the biggest role in determining how many watts your next power supply must be capable of providing."

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