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ATI Mobility Radeon HD 4870 X2 mobile Graphics Processing Unit was launched in January 2009. The GPU makes use of Unified Superscalar Shader architecture, and it is built on 55 nm technology. The card has 550 MHz graphics clock frequency. It also has 1600 stream processors, 80 texture units, as well as 32 color ROPs. The Mobility Radeon HD 4870 X2 embeds 2 GB of GDDR5 memory, utilizing 256 bit bus. The memory is clocked at 700 MHz, which results in 179.2 GB/s memory bandwidth. The GPU supports PCI Express 2.0 interface.
More detailed specifications of the ATI Mobility Radeon HD 4870 X2 graphics card you will find below.