Radeon HD 6870 is connected to the rest of the system using a PCI-Express 2.0 x16 interface. Display outputs include: 2x DVI, 1x HDMI, 2x mini-DisplayPort. The GPU is operating at a frequency of 900 MHz, memory is running at 1050 MHz (4.2 Gbps effective).īeing a dual-slot card, the AMD Radeon HD 6870 draws power from 2x 6-pin power connectors, with power draw rated at 151 W maximum. AMD has paired 1,024 MB GDDR5 memory with the Radeon HD 6870, which are connected using a 256-bit memory interface. It features 1120 shading units, 56 texture mapping units, and 32 ROPs. The Barts graphics processor is an average sized chip with a die area of 255 mm² and 1,700 million transistors. Built on the 40 nm process, and based on the Barts graphics processor, in its Barts XT variant, the card supports DirectX 11.2. The Radeon HD 6870 was a performance-segment graphics card by AMD, launched on October 21st, 2010.
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