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Released in February 2010, ATI Radeon HD 5550 GDDR3 desktop Graphics Processing Unit makes use of TeraScale 2 Unified Processing architecture, and is produced on 40 nm technological process. The cards graphics frequency is 550 MHz. It also has 320 stream processors, 16 texture units, together with 8 color ROPs. The Radeon HD 5550 GDDR3 comes with 1 GB of GDDR3 memory, utilizing 128 bit bus. The memory is clocked at 800 MHz, which gives 25.6 GB/s memory bandwidth. The GPU supports PCI Express 2.1 interface. The maximum power consumption of this model is 39 Watt. The ATI Radeon HD 5550 GDDR3 is compatible with crossfire technology, and will perform considerably better in games when paired with a similar card.
Please see below for detailed specifications of the ATI Radeon HD 5550 GDDR3 graphics unit.