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AMD Radeon HD 7990 is a desktop Graphics Processing Unit, that uses Graphics Core Next architecture and is fabricated on 28 nm manufacturing process. The GPU was introduced in April 2013. The card has 950 MHz graphics clock frequency. It also has 4096 stream processors, 256 texture units, together with 64 color ROPs. The Radeon HD 7990 embeds 6 GB of GDDR5 memory. Since the memory runs at 1.5 GHz, and utilizes 384 bit bus, the effective memory bandwidth is 576 GB/s. The GPU supports PCI Express 3.0 interface, and requires 2 slots on the motherboard. The maximum power consumption of this model is 500 Watt.
More detailed specifications of the AMD Radeon HD 7990 graphics card are available below.