home > Radeon R9 290 4GB GDDR5 / 21227-00
One of a few Sapphire Graphics Processing Units, based on AMD Radeon R9 290, Sapphire Radeon R9 290 4GB GDDR5 (part number 21227-00) is produced on 28 nm manufacturing process. The card is aimed at desktop market. The card's graphics frequency is 947 MHz. Furthermore, it has 2560 stream processors, 160 texture units, together with 64 color ROPs. The Radeon R9 290 4GB GDDR5 incorporates 4 GB of GDDR5 memory, clocked at 1.25 GHz. It has a 512 bit wide memory interface, which results in 320 GB/s memory bandwidth. The GPU has PCI Express 3.0 interface, and uses 2 slots on the motherboard. This model requires up to 275 Watt of power, same as on the reference design.
More detailed specifications of the card are available below.