home > Radeon HD 4890 1GB DDR5 PCI-E
One of a few Sapphire Graphics Processing Units, based on ATI Radeon HD 4890, Sapphire Radeon HD 4890 1GB DDR5 PCI-E is manufactured on 55 nm technology. The card is aimed at desktop market. The card's graphics frequency is 850 MHz. Furthermore, it has 800 stream processors, 40 texture units, and 16 color ROPs. The Radeon HD 4890 1GB DDR5 PCI-E incorporates 1 GB of GDDR5 memory. Since the memory is clocked at 975 MHz, and utilizes 256 bit bus, the effective memory bandwidth is 124.8 GB/s. The GPU supports PCI Express 2.0 interface, and requires 2 slots on the motherboard. This model uses up to 190 Watt of power.
Below you will find more detailed specifications of the graphics card.