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    GeForce GT 445M vs Radeon RX 640

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 445M and Radeon RX 640. 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 445M and Radeon RX 640. 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 445M Check Price
    Radeon RX 640 Check Price

    GeForce GT 445M and Radeon RX 640 are Laptop Graphics Cards

    Note: GeForce GT 445M and Radeon RX 640 are only used in laptop graphics. They have 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 445M or Radeon RX 640 here:

    GeForce GT 445M Laptops
    Radeon RX 640 Laptops

    Main Specs

      GeForce GT 445M Radeon RX 640
    Power consumption (TDP) 35 Watt 50 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x8
    Supplementary power connectors None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 3 GB 4 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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    • Radeon RX 640 has 42% more power consumption, than GeForce GT 445M.
    • GeForce GT 445M is connected by PCIe 2.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
    • Radeon RX 640 has 1 GB more memory, than GeForce GT 445M.
    • Both cards are used in Laptops.
    • GeForce GT 445M is build with Fermi architecture, and Radeon RX 640 - with Polaris.
    • Core clock speed of Radeon RX 640 is 38 MHz higher, than GeForce GT 445M.
    • GeForce GT 445M is manufactured by 40 nm process technology, and Radeon RX 640 - by 14 nm process technology.
    • Memory clock speed of Radeon RX 640 is 4750 MHz higher, than GeForce GT 445M.

    Game benchmarks

    high / 1080p 0−1 5−6
    ultra / 1080p 0−1 3−4
    QHD / 1440p 0−1 2−3
    low / 720p 10−11 16−18
    medium / 1080p 1−2 7−8
    The average gaming FPS of Radeon RX 640 in Assassin's Creed Odyssey is 100% more, than GeForce GT 445M.

    Full Specs

      GeForce GT 445M Radeon RX 640
    Architecture Fermi Polaris
    Code name N11E-GE Polaris 12
    Type Laptop Laptop
    Release date 3 September 2010 12 August 2019
    Pipelines 144 640
    Core clock speed 1180 MHz 1218 MHz
    Boost Clock 1218 MHz
    Transistor count 1,170 million 2,200 million
    Manufacturing process technology 40 nm 14 nm
    Texture fill rate 10.6 billion/sec 38.98
    Floating-point performance 339.8 gflops
    Memory bus width 192 Bit 64 Bit
    Memory clock speed 1250 MHz 6000 MHz
    Memory bandwidth 60.0 GB/s 112.0 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 N/A 1.2.131
    CUDA +
    FreeSync +
    CUDA cores 144
    SLI options +
    Laptop size large large
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