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ATI Mobility Radeon HD 4550 Graphics Processing Unit for mobile market segment utilizes Unified Superscalar Shader architecture, and was introduced in January 2010. The GPU is manufactured on 55 nm technological process. The card has graphics clocked at 550 MHz. It also has 80 stream processors, 4 color ROPs, as well as 8 texture units. The Mobility Radeon HD 4550 comes with 512 MB of GDDR3 memory. Because the memory is clocked at 700 MHz, and uses 64 bit bus, the effective memory bandwidth is 11.2 GB/s. The GPU supports MXM interface.
More detailed specifications of the ATI Mobility Radeon HD 4550 card are available below.