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    GeForce GT 640M vs Radeon RX 570

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M and Radeon RX 570. 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 RX 570. 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 RX 570 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 RX 570
    Power consumption (TDP) 32 Watt 120 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors 1x 6-pin
    Memory type DDR3\GDDR5 GDDR5
    Maximum RAM amount 2 GB 8 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 3x DisplayPort
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    • Radeon RX 570 has 275% more power consumption, than GeForce GT 640M.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • Radeon RX 570 has 6 GB more memory, than GeForce GT 640M.
    • GeForce GT 640M is used in Laptops, and Radeon RX 570 - in Desktops.
    • GeForce GT 640M is build with Kepler architecture, and Radeon RX 570 - with Polaris.
    • GeForce GT 640M is manufactured by 28 nm process technology, and Radeon RX 570 - by 14 nm process technology.
    • Memory clock speed of Radeon RX 570 is 5200 MHz higher, than GeForce GT 640M.

    Game benchmarks

    high / 1080p 0−1 35−40
    ultra / 1080p 0−1 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 10−12 60−65
    medium / 1080p 2−3 40−45
    The average gaming FPS of Radeon RX 570 in Assassin's Creed Odyssey is 766% more, than GeForce GT 640M.

    Full Specs

      GeForce GT 640M Radeon RX 570
    Architecture Kepler Polaris
    Code name N13P-GS Polaris 20 Ellesmere
    Type Laptop Desktop
    Release date 22 March 2012 18 April 2017
    Pipelines 384 2048
    Core clock speed 1168 MHz
    Boost Clock 645 MHz 1244 MHz
    Transistor count 1,270 million 5,700 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 159.2
    Floating-point performance 480.0 gflops 5,095 gflops
    Length 241 mm
    Memory bus width 128bit 256 Bit
    Memory clock speed 1800 - 4000 MHz 7000 MHz
    Memory bandwidth 224.0 GB/s
    Shared memory - -
    DirectX 12 API 12 (12_0)
    Shader Model 5.1 6.4
    OpenGL 4.5 4.6
    OpenCL 1.1 2.0
    Vulkan 1.1.126 +
    CUDA +
    FreeSync +
    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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