Sapphire Radeon HD 6990

"The Sapphire Radeon HD 6990 uses the Antilles GPU at 830Mhz and has 5GB GDDR5 memory running at 5000Mhz. The Sapphire Radeon HD 6990 has a 2x256Bit Memory Interface, 2x1536 Shader Processors and DirectX 11."

"The Sapphire Radeon HD 6990 performed very well against the Gigabyte GeForce GTX 590. The Sapphire Radeon HD 6990 is priced 17% cheaper than the Gigabyte GeForce GTX 590 which makes the Sapphire Radeon HD 6990 all the more exciting. The Gigabyte GeForce GTX 590 is very powerful but also expensive for the performance it will give you. For example - The Sapphire Radeon HD 6990 is as we have said is 17% cheaper than the Gigabyte GeForce GTX 590. For the Gigabyte GeForce GTX 590 to be worth being 17% more expensive then it must give atleast 17% more performance. If your going to pay more for something then you should expect more performance. The difference in performance between the Sapphire Radeon HD 6990 and Gigabyte GeForce GTX 590 is only 13%. If wins are important to you then the Sapphire Radeon HD 6990 won 2 and the Gigabyte GeForce GTX 590 won 3. Is one extra win for the Gigabyte GeForce GTX 590 worth paying 17% more than the Sapphire Radeon HD 6990."