AMD's Dual GPU Monster, The Radeon HD 3870 X2

Posted by CmdrTaco on Monday January 28, 2008 @02:41AM from the heckuva-lot-of-video-cards dept.

MojoKid writes "AMD officially launched their new high-end flagship graphics card today and this one has a pair of graphics processors on a single PCB. The Radeon HD 3870 X2 was codenamed R680 throughout its development. Although that codename implies the card is powered by a new GPU, it is not. The Radeon HD 3870 X2 is instead powered by a pair of RV670 GPUs linked together on a single PCB by a PCI Express fan-out switch. In essence, the Radeon HD 3870 X2 is "CrossFire on a card" but with a small boost in clock speed for each GPU as well. As the benchmarks and testing show, the Radeon HD 3870 X2 is one of the fastest single cards around right now. NVIDIA is rumored to be readying a dual GPU single card beast as well."

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Sounds wasteful, but isn't by mcvos · 2008-01-28 02:59 · Score: 1, Redundant

Two GPUs on a single card? Who the hell needs that kind of power? Besides, don't modern graphics cards waste ridiculous amounts of energy even when they're simply drawing your desktop?

For those who haven't been following the recent releases of ATI graphics cards, it's probably interesting to note that the AI HD2850 and HD2870 use only 20 Watt when idling (most low-end cards use at least 30W nowadays, and high-end cards are often closer to 100W).

So that should mean that this new card should eat about 40W when idling, making this card not just the most powerful graphics card today, but also less wasteful than nVidia's 8800GT. Not a bad choice if you're in dire need of more graphics power. Although personally I'm planning to buy a simple 3850.