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    GeForce GTX 670MX vs Radeon R7 M340

    When comparing GeForce GTX 670MX and Radeon R7 M340, 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 GeForce GTX 670MX and Radeon R7 M340 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce GTX 670MX Check Price
    Radeon R7 M340 Check Price

    GeForce GTX 670MX and Radeon R7 M340 are Laptop Graphics Cards

    Note: GeForce GTX 670MX 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 670MX or Radeon R7 M340 here:

    GeForce GTX 670MX Laptops
    Radeon R7 M340 Laptops

    Main Specs

      GeForce GTX 670MX Radeon R7 M340
    Power consumption (TDP) 75 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x8
    Supplementary power connectors None
    Memory type GDDR5 DDR3
    Maximum RAM amount 3 GB 4 GB
    Display Connectors No outputs No outputs
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    • GeForce GTX 670MX is connected by PCIe 3.0 x16, and Radeon R7 M340 uses PCIe 3.0 x8 interface.
    • Radeon R7 M340 has 1 GB more memory, than GeForce GTX 670MX.
    • Both cards are used in Laptops.
    • GeForce GTX 670MX 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 670MX.
    • GeForce GTX 670MX and Radeon R7 M340 are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GTX 670MX is 400 MHz higher, than Radeon R7 M340.

    Game benchmarks

    high / 1080p 8−9 0−1
    ultra / 1080p 5−6 −
    QHD / 1440p 0−1 0−1
    low / 720p 20−22 1−2
    medium / 1080p 10−12 0−1
    The average gaming FPS of GeForce GTX 670MX in Assassin's Creed Odyssey is 2000% more, than Radeon R7 M340.

    Full Specs

      GeForce GTX 670MX Radeon R7 M340
    Architecture Kepler GCN
    Code name N13E-GR 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 1,154 gflops 549.1 gflops
    Memory bus width 192 Bit 128 Bit
    Memory clock speed 1400 MHz 1000 MHz
    Memory bandwidth 67.2 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) 74 Mh/s
    Laptop size large
    Optimus +
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Compute units 6
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