![]() Little brother Radeon HD 6750 (Barts Pro) has similar specifications but fewer stream processors and lower GPU clock frequency. Texture performance has increase from 52.2 GTexel/s to 57.6 GTexel/s and pixelfillrate is even higher than the current Radeon HD 5870. With an impressive GPU clock frequency of 900 MHz the card has considerably higher theoretic performance than Radeon HD 5850, 2.30 TFlops vs. Even though it has fewer stream processors HD 6770 has the same amount of ROPs and a bit fewer texture units. As hinted by previous rumors Radeon HD 6770 will get performance that surpasses Radeon HD 5850, with both higher FLOPS and better memory bandwidth.ĪMD Radeon HD 6770 (Barts XT) comes with 1280 stream processors (HD 5850: 1440) that is spread across four clusters. Both graphics cards sport AMD's Barts GPU that like current circuits is made with 40 nanometer technology.
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