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ATI Radeon HD 4890 is a desktop Graphics Processing Unit, that uses Unified Superscalar Shader architecture and is manufactured on 55 nm technology. The GPU was released in April 2009. The cards graphics frequency is 850 MHz. It also has 800 stream processors, 16 color ROPs, as well as 40 texture units. The Radeon HD 4890 embeds 2 GB of GDDR5 memory, utilizing 256 bit bus. The memory is clocked at 975 MHz, which gives 124.8 GB/s memory bandwidth. The GPU supports PCI Express 2.0 interface, and needs 2 slots on the motherboard. This model uses up to 160 Watt of power.
Detailed specifications of the ATI Radeon HD 4890 card you will find below.