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    GeForce 845M vs Radeon R7 M340

    When choosing between GeForce 845M 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 845M and Radeon R7 M340.
    GeForce 845M Check Price
    Radeon R7 M340 Check Price

    GeForce 845M and Radeon R7 M340 are Laptop Graphics Cards

    Note: GeForce 845M 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 845M or Radeon R7 M340 here:

    GeForce 845M Laptops
    Radeon R7 M340 Laptops

    Main Specs

      GeForce 845M Radeon R7 M340
    Power consumption (TDP) 45 Watt
    Interface PCIe 3.0 x8 PCIe 3.0 x8
    Supplementary power connectors None
    Memory type DDR3, GDDR5 DDR3
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
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    • Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
    • Radeon R7 M340 has 2 GB more memory, than GeForce 845M.
    • Both cards are used in Laptops.
    • GeForce 845M is build with Maxwell architecture, and Radeon R7 M340 - with GCN.
    • Core clock speed of GeForce 845M is 50 MHz higher, than Radeon R7 M340.
    • GeForce 845M and Radeon R7 M340 are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce 845M is 1000 MHz higher, than Radeon R7 M340.

    Game benchmarks

    high / 1080p 3−4 0−1
    ultra / 1080p 1−2 −
    QHD / 1440p 0−1 0−1
    low / 720p 14−16 1−2
    medium / 1080p 6−7 0−1
    The average gaming FPS of GeForce 845M in Assassin's Creed Odyssey is 1400% more, than Radeon R7 M340.

    Full Specs

      GeForce 845M Radeon R7 M340
    Architecture Maxwell GCN
    Code name GM108 Meso Pro DDR3
    Type Laptop Laptop
    Release date 12 March 2014 16 June 2015
    Pipelines 384 320
    Core clock speed 1071 MHz 1021 MHz
    Boost Clock 1150 MHz 1021 MHz
    Transistor count 1,870 million 950 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 37.63 17.16
    Floating-point performance 883.7 gflops 549.1 gflops
    Memory bus width 64/128 Bit 128 Bit
    Memory clock speed 2000 - 5000 MHz 1000 MHz
    Memory bandwidth 40.1 GB/s 16 GB/s
    Shared memory - -
    DirectX 12 (11_0)
    Shader Model 5.1 5.1
    OpenGL 4.6 4.4
    OpenCL 1.2 Not Listed
    Vulkan 1.1.126 +
    CUDA +
    FreeSync +
    Bus support PCIe 3.0
    Bitcoin / BTC (SHA256) 76 Mh/s 74 Mh/s
    Laptop size medium sized
    Optimus +
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Compute units 6
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