Nvidia and AMD have taken different approaches to what their dual GPU cards represent. On the one hand, AMD rely on them for their most high end offering allowing them to focus on smaller, more efficient GPUs such that two can be placed onto one card without any significant tweaking. In essence, it works the same as crossfiring two cards without requiring the need of a compliant motherboard. Nvidia’s philosophy has always been to create the most powerful single GPU but often they have failed to compete with AMD’s dual GPU offerings (HD4870x2 vs. GTX285 or HD5970 vs. GTX480). Their recent achievement of being able to reduce power consumption and heat output of their tweaked Fermi based GF110 GPU has meant that Nvidia were once again able to pair two of them up for unmatched performance and to combat AMD’s HD6990. Afterall the GF110 GPU had already made the GTX580 the most powerful single GPU card on the market so having a graphics card with two of them on-board is recipe for success surely. And thus was born the GTX590.
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