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Happy Radeon HD 4870 X2 preview day!

Even though it won't be available until later this summer (August), I guess late last night was the time for several sites to publish their "exclusive" previews of the HD 4870 X2. Apparently this card has what it takes to give you FREE (no FPS decrease) AA (up to 12X CFAA) in games like Age of Conan. Wow. This is made possible because of the way that the 4800 series processes anitaliasing:

...Custom Filtering AA (CFAA) is a method employed by the Radeon HD 4800 series to improve antialiasing image quality by using an edge detect algorithm. The beauty of this technology is that uses the stream processors to perform this action and does not tax the framebuffer at all. That means you can get high quality AA (equivalent of 12X and 24X AA) without the cost of using up memory bandwidth and capacity, it uses the shaders. The downside of course is when you are in a shader intensive game you can’t exactly spare the shader horsepower. But, with a setup like Radeon HD 4870 X2 with 4-GPUs powering the game, it has a ton of shader horsepower, 3200 stream processors at your disposal!...





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Radeon HD 4870 X2

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