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    GeForce GT 645M vs Mobility Radeon HD 5850

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 645M and Mobility Radeon HD 5850. 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 645M and Mobility Radeon HD 5850. 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 645M Check Price
    Mobility Radeon HD 5850 Check Price

    GeForce GT 645M and Mobility Radeon HD 5850 are Laptop Graphics Cards

    Note: GeForce GT 645M and Mobility Radeon HD 5850 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 645M or Mobility Radeon HD 5850 here:

    GeForce GT 645M Laptops
    Mobility Radeon HD 5850 Laptops

    Main Specs

      GeForce GT 645M Mobility Radeon HD 5850
    Power consumption (TDP) 32 Watt 30 Watt
    Interface PCIe 3.0 x16 PCIe 2.0 x16
    Memory type DDR3\GDDR5 DDR3, GDDR3, GDDR5
    Maximum RAM amount 2 GB 1 GB
    Display Connectors No outputs No outputs
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    • GeForce GT 645M has 6% more power consumption, than Mobility Radeon HD 5850.
    • GeForce GT 645M is connected by PCIe 3.0 x16, and Mobility Radeon HD 5850 uses PCIe 2.0 x16 interface.
    • GeForce GT 645M has 1 GB more memory, than Mobility Radeon HD 5850.
    • Both cards are used in Laptops.
    • GeForce GT 645M is build with Kepler architecture, and Mobility Radeon HD 5850 - with Terascale 2.
    • GeForce GT 645M is manufactured by 28 nm process technology, and Mobility Radeon HD 5850 - by 40 nm process technology.
    • Memory clock speed of Mobility Radeon HD 5850 is 200 MHz higher, than GeForce GT 645M.

    Game benchmarks

    high / 1080p 1−2 5−6
    ultra / 1080p 0−1 3−4
    QHD / 1440p 0−1 0−1
    low / 720p 12−14 14−16
    medium / 1080p 2−3 7−8
    The average gaming FPS of Mobility Radeon HD 5850 in Assassin's Creed Odyssey is 80% more, than GeForce GT 645M.

    Full Specs

      GeForce GT 645M Mobility Radeon HD 5850
    Architecture Kepler Terascale 2
    Code name N13P-GS Broadway-PRO
    Type Laptop Laptop
    Release date 22 March 2012 7 January 2010
    Pipelines 384 800
    Core clock speed 625 MHz
    Transistor count 1,270 million 1,040 million
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 22.7 billion/sec 20.00
    Floating-point performance 544.5 gflops 800.0 gflops
    Memory bus width 128bit 128 Bit
    Memory clock speed 1800 MHz 2000 MHz
    Memory bandwidth 64 GB/s
    Shared memory - -
    DirectX 12 API 11.2 (11_0)
    Shader Model 5.1 5.0
    OpenGL 4.5 4.4
    OpenCL 1.1 1.2
    Vulkan 1.1.126 N/A
    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) 19 Mh/s
    Laptop size medium sized large
    Optimus +
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