home > Radeon HD 6990 4GB GDDR5
Sapphire Radeon HD 6990 4GB GDDR5 is a desktop graphics processing unit, based on AMD Radeon HD 6990. The GPU, produced on 40 nm technology, employs TeraScale 3 Unified Processing architecture. The card has graphics clocked at 830 MHz. Furthermore, it has 3072 stream processors, 192 texture units, together with 64 color ROPs. The Radeon HD 6990 4GB GDDR5 incorporates 4 GB of GDDR5 memory. Because the memory is clocked at 1.25 GHz, and uses 256 bit bus, the effective memory bandwidth is 320 GB/s. The GPU supports PCI Express 2.1 interface, and needs 2 slots on the motherboard. This model has the maximum power draw of 375 Watt. The Sapphire Radeon HD 6990 4GB GDDR5 is compatible with crossfire technology, and will perform far better in games when paired with a similar graphics card.
Please see below for detailed specifications of the graphics card.