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    GeForce GTX 675MX vs Radeon R7 M340

    When choosing between GeForce GTX 675MX and Radeon R7 M340, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GTX 675MX and Radeon R7 M340.
    GeForce GTX 675MX Check Price
    Radeon R7 M340 Check Price

    GeForce GTX 675MX and Radeon R7 M340 are Laptop Graphics Cards

    Note: GeForce GTX 675MX and Radeon R7 M340 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 GTX 675MX or Radeon R7 M340 here:

    GeForce GTX 675MX Laptops
    Radeon R7 M340 Laptops

    Main Specs

      GeForce GTX 675MX Radeon R7 M340
    Power consumption (TDP) 100 Watt
    Interface MXM-B (3.0) PCIe 3.0 x8
    Supplementary power connectors None None
    Memory type GDDR5 DDR3
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
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    • GeForce GTX 675MX is connected by MXM-B (3.0), and Radeon R7 M340 uses PCIe 3.0 x8 interface.
    • Radeon R7 M340 has 2 GB more memory, than GeForce GTX 675MX.
    • Both cards are used in Laptops.
    • GeForce GTX 675MX is build with Kepler architecture, and Radeon R7 M340 - with GCN.
    • Core clock speed of Radeon R7 M340 is 421 MHz higher, than GeForce GTX 675MX.
    • GeForce GTX 675MX and Radeon R7 M340 are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GTX 675MX is 800 MHz higher, than Radeon R7 M340.

    Game benchmarks

    high / 1080p 9−10 0−1
    ultra / 1080p 5−6 −
    QHD / 1440p 0−1 0−1
    low / 720p 21−24 1−2
    medium / 1080p 12−14 0−1
    The average gaming FPS of GeForce GTX 675MX in Assassin's Creed Odyssey is 2100% more, than Radeon R7 M340.

    Full Specs

      GeForce GTX 675MX Radeon R7 M340
    Architecture Kepler GCN
    Code name N13E-GSR Meso Pro DDR3
    Type Laptop Laptop
    Release date 1 October 2012 16 June 2015
    Pipelines 960 320
    Core clock speed 600 MHz 1021 MHz
    Boost Clock 1021 MHz
    Transistor count 3,540 million 950 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 48.0 billion/sec 17.16
    Floating-point performance 1,256 gflops 549.1 gflops
    Memory bus width 256 Bit 128 Bit
    Memory clock speed 1800 MHz 1000 MHz
    Memory bandwidth 115.2 GB/s 16 GB/s
    Shared memory - -
    DirectX 12 API
    Shader Model 5.1 5.1
    OpenGL 4.5 4.4
    OpenCL 1.1 Not Listed
    Vulkan 1.1.126 +
    CUDA +
    FreeSync +
    CUDA cores 960
    Bus support PCI Express 2.0 PCIe 3.0
    SLI options +
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    Bitcoin / BTC (SHA256) 63 Mh/s 74 Mh/s
    Laptop size large
    Optimus +
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Compute units 6
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