• 2009

Hardware Description

PowerColor HD4890 1GB GDDR5 (BBA) (AX4890 1GBD5-HM) 956 million transistors on 55nm fabrication process PCI ExpressR 2.0 x16 bus interface 256-bit GDDR5 memory interface MicrosoftR DirectXR 10.1 support 32-bit floating point texture filte indexed cube map arrays.