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R700 Crossfire X Scaling Efficiency up to 104 %

Chinese hardware website ChipHell put up preliminary comparisons between the Radeon HD 4870 X2 and a Crossfire X setup using two of these cards to compare the scaling efficiency of these cards when paired in a Crossfire X setup. Readings were put up on a chart. The cards seem to scale up to 104% and in several tests the performance scaling stayed above 50%. The average performance increment a pair of these cards has over a single card is noted to be 66%, on launch drivers. It is general belief that entry-level and mid-range cards scale more efficiently than high-end cards. Scaling efficiency for these cards are high even with settings such as 4x AA, 8x AF enabled. The HD 4870 X2 is expected to be formally launched this Tuesday the 12th.

Source : TechpowerupChiphellGPUCafe

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