The Radeon HD 6790 is positioned between the upper-end-mainstream Radeon HD 6770 and the lower-end-enthusiast Radeon HD 6850, intended for users running at midrange resolutions (such as 1,680-by-1,050) and detail settings. The card offers 1.34 teraflops of compute power; has a core clock speed of 840 MHz, 800 stream processors, 40 texture units, and 16 ROPs; and is loaded with 1GB of GDDR5 frame buffer, operating at 4.2 Gbps on a 256-bit memory path.
AMD's press materials for the 6790 identify the 6790's TDP as about 150 watts—more than the 6850, and approximately in the same league as the card above that one, the Radeon HD 6870 (151 watts). AMD's reference spec for the card suggests it will require two six-pin connectors from a power supply, though the company says that some models will be available using only one.
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