AMD today launches the Radeon HD 7970, its first graphics card built at a 28nm production process and the first member of its Southern Islands family of GPUs. As its name suggests, the HD 7970 is the replacement for AMD's fastest single-GPU graphics card to date, the HD 6970. The new card increases transistor count from 2.6b to 4.3b, cranks the engine clock speed up from 880MHz to 925MHz, and adds 33 percent more Stream processors, jumping from 1,536 to 2,048.
2DayBlog.com, Radeon HD 7970 official: 28nm, 2,048 Stream processors, and a $549 price for January 9th
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