AMD Radeon HD 4870 Specification

    Specification

    Manufacturer: ATI

    Specs status: Offical

    Series: Radeon HD 4k

    GPU Model:RV770

    Release Date: 2008-06-25

    Interface: PCI-E 2.0 x16

    Core Clock: 750 MHz

    Shader Clock: 750 MHz

    Memory Clock: 1800 MHz (3600 DDR)

    Memory Bandwidth: 115.2 GB/sec

    FLOPS: 1200 GFLOPS

    Pixel Fill Rate: 12000 MPixels/sec

    Texture Fill Rate: 30000 MTexels/sec

    Details

    Max Power Draw: 150 W

    Noise Level: Moderate

    Memory Size: 512,1024,2048 MB

    Memory Type: GDDR5

    Memory Bus Type: 32×8 (256 bit)

    DirectX: 10.1

    OpenGL: 2.1

    PS/VS Version: 4.1/4.1

    Process: 55 nm

    Shader Processors: 800

    Pipeline Layout: ?

    Texture Units: 40

    Raster: 16

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