home > Radeon HD4890 1GB GDDR5 / AX4890 1GBD5
PowerColor Radeon HD4890 1GB GDDR5 (part number AX4890 1GBD5) is one of a few PowerColor Graphics Processing Units for desktop market. Based on ATI Radeon HD 4890, and The GPU is built on 55 nm manufacturing process, and sports Unified Superscalar Shader architecture. The card's graphics frequency is 850 MHz. It also has 800 stream processors, 40 texture units, and 16 color ROPs. The Radeon HD4890 1GB GDDR5 incorporates 1 GB of GDDR5 memory. Since the memory operates at 975 MHz, and uses 256 bit interface, the effective memory bandwidth is 124.8 GB/s. The GPU supports PCI Express 2.0 interface, and requires 2 slots on the motherboard. Similar to the reference design, this model has the maximum power draw of 190 Watt.
Detailed specifications of the graphics card are available below.