PowerColor Radeon HD 6990 CrossFire

PowerColor Radeon HD 6990 CrossFire

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Introduction



Today, AMD launched its Radeon HD 6990 graphics card, its fastest graphics card, in contention for being labeled the fastest graphics card money can buy. What happens when you pair two of these? You get Radeon HD 6990 CrossFireX, a 1398 Dollar solution that combines four AMD Cayman GPUs, a total of 8 GB of memory, 6144 stream processors, and enough display outputs to make a military-class vehicle simulator using clever use of Eyefinity and HydraVision technologies. Or, you can just bulldoze through DirectX 11 games using HD 6990 CrossFire with a lot of eye-candy turned on, and at par-HD (2560x1600 or 2560x1440) resolutions. This is also going to be the solution overclockers will have an eye out for. Before you proceed, make sure you’ve been through our ASUS Radeon HD 6990 review, where you’ll get to see what the single graphics card is worth.

We are running PowerColor Radeon HD 6990 graphics cards, which stick to AMD’s reference board design. Installing CrossFire is as easy as installing the second card, connecting the power cables, the CrossFire cable to the other card, and enabling HD 6990 CrossFireX in Catalyst Control Center.

GeForce
GTX 480
Radeon
HD 6970
GeForce
GTX 580
Radeon
HD 5970
Radeon HD 6990Radeon HD 6990
CrossFire
Shader units 48015365122x 16002x 15364x 1536
ROPs4832482x 322x 324x 32
GPUGF100CaymanGF1102x Cypress2x Cayman4x Cayman
Transistors3200M2640M3000M2x 2154M2x 2640M4x 2640M
Memory Size1536 MB2048 MB1536 MB2x 1024 MB2x 2048 MB4x 2048 MB
Memory Bus Width 384 bit 256 bit 384 bit 2x 256 bit 2x 256 bit 4x 256 bit
Core Clock700 MHz 880 MHz 772 MHz 725 MHz 830 MHz 830 MHz
Memory Clock924 MHz 1375 MHz 1002 MHz 1000 MHz 1250 MHz 1250 MHz
Price$400$370$500$580$699$1398
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