ATI fanboys , your time may have come with the R700 - basedRadeon HD 4870 X2 . It ’s a $ 500 multi - GPU card that essentially lather together a pair of Radeon HD 4870s with 2 GB of onboard memory to create ATI ’s fastest single card ever . ( It ’s not your imagination , they ’re reallystepping with the Nvidia - killing , whichis sweet.)Benchwise , it actually beats Nvidia’smonster GeForce GTX 280running in SLI in a couple of games , like Age of Conan .
https://gizmodo.com/atis-nvidia-geforce-gtx-280-killer-is-water-cooled-sup-5021185
One of the most underlying changes in the R700 cards - which are two RV770s with a PCI Express switch connecting the the two and double the computer memory - is that the GPUs actually communicate with each other , whereas past CrossFire configs had both cards fundamentally render their own sections independently , then combine them . AnandTech says it ’s not wholly clear how much communicating there will be , but there will definitely be more than there was . Also , the drivers still need to come up to spec to let the card truly glow , but the hardware is totally in the right place . [ AnandTech ]
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