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    FireStream 9270 vs GeForce GT 645M

    When comparing FireStream 9270 and GeForce GT 645M, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between FireStream 9270 and GeForce GT 645M is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    FireStream 9270
    GeForce GT 645M Check Price

    GeForce GT 645M is a Laptop Graphics Card

    Note: GeForce GT 645M 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 645M here:

    GeForce GT 645M Laptops

    Main Specs

      FireStream 9270 GeForce GT 645M
    Power consumption (TDP) 160 Watt 32 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x16
    Supplementary power connectors 2x 6-pin
    Memory type GDDR5 DDR3\GDDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors 1x DVI No outputs
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    • FireStream 9270 has 400% more power consumption, than GeForce GT 645M.
    • FireStream 9270 is connected by PCIe 2.0 x16, and GeForce GT 645M uses PCIe 3.0 x16 interface.
    • FireStream 9270 and GeForce GT 645M have maximum RAM of 2 GB.
    • FireStream 9270 is used in Desktops, and GeForce GT 645M - in Laptops.
    • FireStream 9270 is build with TeraScale architecture, and GeForce GT 645M - with Kepler.
    • FireStream 9270 is manufactured by 55 nm process technology, and GeForce GT 645M - by 28 nm process technology.
    • Memory clock speed of FireStream 9270 is 1800 MHz higher, than GeForce GT 645M.

    Game benchmarks

    high / 1080p 5−6 1−2
    ultra / 1080p 2−3 0−1
    QHD / 1440p 2−3 0−1
    low / 720p 14−16 12−14
    medium / 1080p 7−8 2−3
    The average gaming FPS of FireStream 9270 in Assassin's Creed Odyssey is 80% more, than GeForce GT 645M.

    Full Specs

      FireStream 9270 GeForce GT 645M
    Architecture TeraScale Kepler
    Code name RV770 N13P-GS
    Type Desktop Laptop
    Release date 13 November 2008 22 March 2012
    Pipelines 800 384
    Core clock speed 750 MHz
    Transistor count 956 million 1,270 million
    Manufacturing process technology 55 nm 28 nm
    Texture fill rate 30.00 22.7 billion/sec
    Floating-point performance 1,200.0 gflops 544.5 gflops
    Memory bus width 256 Bit 128bit
    Memory clock speed 3600 MHz 1800 MHz
    Memory bandwidth 115.2 GB/s
    Shared memory -
    DirectX 10.1 (10_1) 12 API
    Shader Model 4.1 5.1
    OpenGL 3.3 4.5
    OpenCL 1.1 1.1
    Vulkan N/A 1.1.126
    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
    Optimus +
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