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    GeForce 945M vs Radeon HD 6990M

    If you are going to buy a new graphics card and are choosing between GeForce 945M 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 945M stacks up against Radeon HD 6990M, check out specs charts below.
    GeForce 945M Check Price
    Radeon HD 6990M Check Price

    GeForce 945M and Radeon HD 6990M are Laptop Graphics Cards

    Note: GeForce 945M 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 945M or Radeon HD 6990M here:

    GeForce 945M Laptops
    Radeon HD 6990M Laptops

    Main Specs

      GeForce 945M Radeon HD 6990M
    Power consumption (TDP) 75 Watt 100 Watt
    Interface MXM-B (3.0) MXM-B (3.0)
    Supplementary power connectors None None
    Memory type DDR3 GDDR5
    Maximum RAM amount 4 GB 2 GB
    Display Connectors No outputs No outputs
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    • Radeon HD 6990M has 33% more power consumption, than GeForce 945M.
    • Both video cards are using MXM-B (3.0) interface connection to a motherboard.
    • GeForce 945M has 2 GB more memory, than Radeon HD 6990M.
    • Both cards are used in Laptops.
    • GeForce 945M is build with Maxwell architecture, and Radeon HD 6990M - with Terascale 2.
    • Core clock speed of GeForce 945M is 213 MHz higher, than Radeon HD 6990M.
    • GeForce 945M is manufactured by 28 nm process technology, and Radeon HD 6990M - by 40 nm process technology.
    • Memory clock speed of GeForce 945M is 1100 MHz higher, than Radeon HD 6990M.

    Game benchmarks

    high / 1080p 10−11 14−16
    ultra / 1080p 6−7 8−9
    QHD / 1440p 1−2 3−4
    low / 720p 24−27 30−33
    medium / 1080p 12−14 16−18
    The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 36% more, than GeForce 945M.

    Full Specs

      GeForce 945M Radeon HD 6990M
    Architecture Maxwell Terascale 2
    Code name GM107 Blackcomb XTX
    Type Laptop Laptop
    Release date 12 March 2015 12 July 2011
    Pipelines 512 1120
    Core clock speed 928 MHz 715 MHz
    Boost Clock 1045 MHz
    Transistor count 1,870 million 1,700 million
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 40.80 40.04
    Floating-point performance 953.9 gflops 1,601.6 gflops
    Memory bus width 128 Bit 256 Bit
    Memory clock speed 2000 MHz 900 MHz
    Memory bandwidth 28.8 GB/s 115.2 GB/s
    Shared memory - -
    DirectX 12 (11_0) 11.2 (11_0)
    Shader Model 5.1 5.0
    OpenGL 4.5 4.4
    OpenCL 1.2 1.2
    Vulkan 1.1.126 N/A
    CUDA +
    Bus support PCI Express 3.0
    Bitcoin / BTC (SHA256) 107 Mh/s
    Laptop size medium sized large
    Optimus +
    GPU Boost 2.0
    GameWorks +
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