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NVIDIA GeForce GT 640 (GDDR3 192-bit) Specification

    GPU

    Manufacturer: NVIDIA

    Specs status: Official

    GPU Series: GeForce 600

    GPU Model: Fermi GF116

    Fabrication Process: 40nm

    CUDA Cores:144

    TMUs: 24

    ROPs: 16

    CARD

    Dimensions (inches): 5.7 / 4.38 / Single-slot

    Display Outputs: 1 / 0 / 1 / 0 / 0 / 1

    SUPPORT

    Bus Support: PCI-E 3.0 x16

    DirectX Support: 11

    OpenGL Support: 4.2

    CLOCKS

    Base Clock: 720 MHz

    Shaders Clock: 1440 MHz

    Memory Clock: 891 MHz

    Effective Memory Clock: 1782 MHz

    MEMORY

    Memory Size: 1536 / 3072 MB

    Memory Type: GDDR3

    Memory Bus Type: 192-bit

    Memory Bandwidth: 43 GB/sec

    POWER

    Power Draw 75 W / – W

    Min Required PSU: 400 W

    Power Connectors:

    Temperature: 102 C / – C / – C

    Noise Level: – dBA / – dBA

    PERFORMANCE

    3DMark11 Score

    3DMark Vantage

    RELEASE

    Release Date:April 24 2012

    Launch Price: OEM

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