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    GeForce GT 640M vs Radeon R7 A265

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M and Radeon R7 A265. 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 R7 A265. 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 R7 A265

    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 R7 A265
    Power consumption (TDP) 32 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x8
    Memory type DDR3\GDDR5 DDR3
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs No outputs
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    • GeForce GT 640M is connected by PCIe 3.0 x16, and Radeon R7 A265 uses PCIe 3.0 x8 interface.
    • GeForce GT 640M and Radeon R7 A265 have maximum RAM of 2 GB.
    • GeForce GT 640M is used in Laptops, and Radeon R7 A265 - in Desktops.
    • GeForce GT 640M is build with Kepler architecture, and Radeon R7 A265 - with GCN 1.0.
    • GeForce GT 640M and Radeon R7 A265 are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GT 640M and Radeon R7 A265 is 1800 MHz.

    Game benchmarks

    high / 1080p 0−1 1−2
    ultra / 1080p 0−1 0−1
    QHD / 1440p 0−1 0−1
    low / 720p 10−12 12−14
    medium / 1080p 2−3 3−4
    The average gaming FPS of Radeon R7 A265 in Assassin's Creed Odyssey is 33% more, than GeForce GT 640M.

    Full Specs

      GeForce GT 640M Radeon R7 A265
    Architecture Kepler GCN 1.0
    Code name N13P-GS Opal
    Type Laptop Desktop
    Release date 22 March 2012 9 January 2014
    Pipelines 384 384
    Core clock speed 725 MHz
    Boost Clock 645 MHz 825 MHz
    Transistor count 1,270 million 950 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 19.80
    Floating-point performance 480.0 gflops 633.6 gflops
    Memory bus width 128bit 128 Bit
    Memory clock speed 1800 - 4000 MHz 1800 MHz
    Memory bandwidth 28.8 GB/s
    Shared memory -
    DirectX 12 API 12 (11_1)
    Shader Model 5.1 5.1
    OpenGL 4.5 4.6
    OpenCL 1.1 1.2
    Vulkan 1.1.126 1.2.131
    CUDA +
    CUDA cores 384
    Bus support PCI Express 2.0, PCI Express 3.0
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    3D Blu-Ray +
    Bitcoin / BTC (SHA256) 18 Mh/s
    Laptop size medium sized
    Optimus +
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