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GIGABYTE Radeon HD 4890 (part number GV-R489-1GH-B) is a desktop Graphics Processing Unit, based on ATI Radeon HD 4890, and manufactured on 55 nm technological process. The card has graphics clocked at 850 MHz. Furthermore, it has 800 stream processors, 16 color ROPs, along with 40 texture units. The Radeon HD 4890 embeds 1 GB of GDDR5 memory. Because the memory runs at 975 MHz, and utilizes 256 bit bus, the effective memory bandwidth is 124.8 GB/s. The GPU supports PCI Express 2.0 interface, and uses 2 slots on the motherboard. This model needs up to 160 Watt of power.
Please see below for detailed specifications of the GIGABYTE Radeon HD 4890 card.