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    GeForce GTX 675M vs Radeon R9 M385X

    If you are going to buy a new graphics card and are choosing between GeForce GTX 675M and Radeon R9 M385X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce GTX 675M stacks up against Radeon R9 M385X, check out specs charts below.
    GeForce GTX 675M Check Price
    Radeon R9 M385X Check Price

    GeForce GTX 675M and Radeon R9 M385X are Laptop Graphics Cards

    Note: GeForce GTX 675M and Radeon R9 M385X 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 675M or Radeon R9 M385X here:

    GeForce GTX 675M Laptops
    Radeon R9 M385X Laptops

    Main Specs

      GeForce GTX 675M Radeon R9 M385X
    Power consumption (TDP) 100 Watt
    Interface MXM-B (3.0) PCIe 3.0 x16
    Memory type GDDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
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    • GeForce GTX 675M is connected by MXM-B (3.0), and Radeon R9 M385X uses PCIe 3.0 x16 interface.
    • Radeon R9 M385X has 2 GB more memory, than GeForce GTX 675M.
    • Both cards are used in Laptops.
    • GeForce GTX 675M is build with Fermi architecture, and Radeon R9 M385X - with GCN.
    • Core clock speed of Radeon R9 M385X is 480 MHz higher, than GeForce GTX 675M.
    • GeForce GTX 675M is manufactured by 40 nm process technology, and Radeon R9 M385X - by 28 nm process technology.
    • Memory clock speed of GeForce GTX 675M and Radeon R9 M385X is 1500 MHz.

    Game benchmarks

    high / 1080p 10−11 8−9
    ultra / 1080p 6−7 5−6
    QHD / 1440p 0−1 0−1
    low / 720p 21−24 18−20
    medium / 1080p 12−14 10−11
    The average gaming FPS of GeForce GTX 675M in Assassin's Creed Odyssey is 30% more, than Radeon R9 M385X.

    Full Specs

      GeForce GTX 675M Radeon R9 M385X
    Architecture Fermi GCN
    Code name N13E-GS1 Strato-XT-M3
    Type Laptop Laptop
    Release date 22 March 2012 16 June 2015
    Pipelines 384 896
    Core clock speed 620 MHz 1100 MHz
    Boost Clock 1100 MHz
    Transistor count 1,950 million 2,080 million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 39.7 billion/sec 61.60
    Floating-point performance 952.3 gflops 1,971 gflops
    Memory bus width 256bit 128 Bit
    Memory clock speed 1500 MHz 1500 MHz
    Memory bandwidth 96.0 GB/s 76.8 GB/s
    Shared memory - -
    DirectX 12 API
    Shader Model 5.1 6.3
    OpenGL 4.5 4.4
    OpenCL 1.1 Not Listed
    Vulkan N/A
    CUDA +
    FreeSync +
    CUDA cores 384
    Bus support PCI Express 2.0 PCIe 3.0
    SLI options +
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    Bitcoin / BTC (SHA256) 59 Mh/s
    Laptop size large large
    Optimus +
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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