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    GeForce GT 640M vs Radeon HD 6970

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M and Radeon HD 6970. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GT 640M and Radeon HD 6970. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
    GeForce GT 640M Check Price
    Radeon HD 6970 Check Price

    GeForce GT 640M is a Laptop Graphics Card

    Note: GeForce GT 640M is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GT 640M here:

    GeForce GT 640M Laptops

    Main Specs

      GeForce GT 640M Radeon HD 6970
    Power consumption (TDP) 32 Watt 550 Watt
    Interface PCIe 3.0 x16 PCIe 2.0 x16
    Supplementary power connectors 1x 6-pin + 1x 8-pin
    Memory type DDR3\GDDR5 DDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs 2x DVI, 1x HDMI, 2x mini-DisplayPort
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    • Radeon HD 6970 has 1618% more power consumption, than GeForce GT 640M.
    • GeForce GT 640M is connected by PCIe 3.0 x16, and Radeon HD 6970 uses PCIe 2.0 x16 interface.
    • GeForce GT 640M and Radeon HD 6970 have maximum RAM of 2 GB.
    • GeForce GT 640M is used in Laptops, and Radeon HD 6970 - in Desktops.
    • GeForce GT 640M is build with Kepler architecture, and Radeon HD 6970 - with Terascale 2.
    • GeForce GT 640M is manufactured by 28 nm process technology, and Radeon HD 6970 - by 40 nm process technology.
    • Memory clock speed of GeForce GT 640M is 425 MHz higher, than Radeon HD 6970.

    Game benchmarks

    high / 1080p 0−1 14−16
    ultra / 1080p 0−1 9−10
    QHD / 1440p 0−1 3−4
    low / 720p 10−12 30−35
    medium / 1080p 2−3 18−20
    The average gaming FPS of Radeon HD 6970 in Assassin's Creed Odyssey is 316% more, than GeForce GT 640M.

    Full Specs

      GeForce GT 640M Radeon HD 6970
    Architecture Kepler Terascale 2
    Code name N13P-GS Cayman
    Type Laptop Desktop
    Release date 22 March 2012 14 December 2010
    Pipelines 384 1536
    Boost Clock 645 MHz 880 MHz
    Transistor count 1,270 million 2,640 million
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 84.48
    Floating-point performance 480.0 gflops 2,703.4 gflops
    Length 267 mm
    Memory bus width 128bit 256 Bit
    Memory clock speed 1800 - 4000 MHz 1375 MHz
    Shared memory -
    DirectX 12 API
    Shader Model 5.1 5.0
    OpenGL 4.5 4.4
    OpenCL 1.1 1.2
    Vulkan 1.1.126
    CUDA +
    CUDA cores 384
    Bus support PCI Express 2.0, PCI Express 3.0 PCIe 2.0 x16
    HDMI + +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    3D Blu-Ray +
    Bitcoin / BTC (SHA256) 18 Mh/s 273 Mh/s
    Laptop size medium sized
    Optimus +
    Eyefinity +
    Design reference
    CrossFire +
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