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    GeForce GTX 675M vs Radeon HD 6990M

    If you are going to buy a new graphics card and are choosing between GeForce GTX 675M and Radeon HD 6990M, 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 HD 6990M, check out specs charts below.
    GeForce GTX 675M Check Price
    Radeon HD 6990M Check Price

    GeForce GTX 675M and Radeon HD 6990M are Laptop Graphics Cards

    Note: GeForce GTX 675M and Radeon HD 6990M 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 HD 6990M here:

    GeForce GTX 675M Laptops
    Radeon HD 6990M Laptops

    Main Specs

      GeForce GTX 675M Radeon HD 6990M
    Power consumption (TDP) 100 Watt 100 Watt
    Interface MXM-B (3.0) MXM-B (3.0)
    Supplementary power connectors None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs No outputs
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    • Both graphics cards have the same power consumption of 100 Watt.
    • Both video cards are using MXM-B (3.0) interface connection to a motherboard.
    • GeForce GTX 675M and Radeon HD 6990M have maximum RAM of 2 GB.
    • Both cards are used in Laptops.
    • GeForce GTX 675M is build with Fermi architecture, and Radeon HD 6990M - with Terascale 2.
    • Core clock speed of Radeon HD 6990M is 95 MHz higher, than GeForce GTX 675M.
    • GeForce GTX 675M and Radeon HD 6990M are manufactured by 40 nm process technology.
    • Memory clock speed of GeForce GTX 675M is 600 MHz higher, than Radeon HD 6990M.

    Game benchmarks

    high / 1080p 10−11 14−16
    ultra / 1080p 6−7 8−9
    QHD / 1440p 0−1 3−4
    low / 720p 21−24 30−33
    medium / 1080p 12−14 16−18
    The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 38% more, than GeForce GTX 675M.

    Full Specs

      GeForce GTX 675M Radeon HD 6990M
    Architecture Fermi Terascale 2
    Code name N13E-GS1 Blackcomb XTX
    Type Laptop Laptop
    Release date 22 March 2012 12 July 2011
    Pipelines 384 1120
    Core clock speed 620 MHz 715 MHz
    Transistor count 1,950 million 1,700 million
    Manufacturing process technology 40 nm 40 nm
    Texture fill rate 39.7 billion/sec 40.04
    Floating-point performance 952.3 gflops 1,601.6 gflops
    Memory bus width 256bit 256 Bit
    Memory clock speed 1500 MHz 900 MHz
    Memory bandwidth 96.0 GB/s 115.2 GB/s
    Shared memory - -
    DirectX 12 API 11.2 (11_0)
    Shader Model 5.1 5.0
    OpenGL 4.5 4.4
    OpenCL 1.1 1.2
    Vulkan N/A N/A
    CUDA +
    CUDA cores 384
    Bus support PCI Express 2.0
    SLI options +
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    Bitcoin / BTC (SHA256) 59 Mh/s
    Laptop size large large
    Optimus +
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