Radeon HD 6990 combines two graphics processors to increase performance. It features 1536 shading units, 96 texture mapping units, and 32 ROPs, per GPU. AMD has paired 4 GB GDDR5 memory with the Radeon HD 6990, which are connected using a 256-bit memory interface per GPU (each GPU manages 2,048 MB).

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Mar 8, 2011 · The Radeon HD 6990 is AMD’s new flagship card, based on a pair of Cayman (VLIW4) GPUs mounted on a single PCB. AMD has clocked the GPU at 830MHz and the GDDR5 memory at 1250MHz (5GHz data...

Mar 10, 2011 · Make it official, the Radeon HD 6990 is hands down the fastest graphics card on the market, outperforming previous generation dual-GPU products by a long shot. That...

Mar 7, 2011 · Today AMD unleashed their new monster: Radeon HD 6990. This dual-GPU card, which is based on two HD 6970 GPUs took the gaming performance crown without beating a sweat. So, this card has tons of performance, but what …

Mar 8, 2011 · “The fastest graphics card in the world.” That’s what AMD says about their dual-GPU beast of a card, the HD 6990 that releases today. Will it ring true? With two of their top-of-the-line Cayman GPUs on board, it’s hard to think it wouldn’t. They’re not individually the fastest GPUs in the world, but can they reign supreme as a team?

Mar 8, 2011 · With today’s launch of AMD’s Radeon HD 6990, the race to produce the world’s fastest graphics card is back on, and we can confidently say that A) AMD has it and B) It’ll be interesting to see NVIDIA’s reaction.

4 days ago · To achieve the highest performance level possible, AMD has engineered the HD 6990 with a 375W thermal envelope. This allows the card to support dual Cayman XT based GPUs clocked at 830MHz. In...

Mar 8, 2011 · It’s a dual-GPU card with graphics processors running, by default, at slightly reduced clock speeds compared to the company’s fastest single-chip board. Its 4 GB of memory are divided...

Mar 8, 2011 · AMD's focus on multi-GPU as its top end has meant that it's had to drastically improve its CrossFire technology, and now we're at the point where, on a vast percentage of new titles, we're...