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    Maxwell GPU Surface Book 940M GDDR5 vs Radeon HD 7970

    If you are going to buy a new graphics card and are choosing between Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 7970, 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 Maxwell GPU Surface Book 940M GDDR5 stacks up against Radeon HD 7970, check out specs charts below.
    Maxwell GPU Surface Book 940M GDDR5 Check Price
    Radeon HD 7970 Check Price

    Maxwell GPU Surface Book 940M GDDR5 is a Laptop Graphics Card

    Note: Maxwell GPU Surface Book 940M GDDR5 is only used in laptop graphics. It has 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 Maxwell GPU Surface Book 940M GDDR5 here:

    Maxwell GPU Surface Book 940M GDDR5 Laptops

    Main Specs

      Maxwell GPU Surface Book 940M GDDR5 Radeon HD 7970
    Power consumption (TDP) 300 Watt
    Interface PCIe 3.0 x16
    Supplementary power connectors 1x 6-pin + 1x 8-pin
    Memory type GDDR5 GDDR5
    Maximum RAM amount 1 GB 3 GB
    Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort
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    • Radeon HD 7970 has 2 GB more memory, than Maxwell GPU Surface Book 940M GDDR5.
    • Maxwell GPU Surface Book 940M GDDR5 is used in Laptops, and Radeon HD 7970 - in Desktops.
    • Maxwell GPU Surface Book 940M GDDR5 is build with Maxwell architecture, and Radeon HD 7970 - with GCN.
    • Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 7970 are manufactured by 28 nm process technology.
    • Memory clock speed of Maxwell GPU Surface Book 940M GDDR5 is 3637 MHz higher, than Radeon HD 7970.

    Game benchmarks

    high / 1080p 9−10 35−40
    ultra / 1080p 5−6 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 21−24 60−65
    medium / 1080p 12−14 40−45
    The average gaming FPS of Radeon HD 7970 in Assassin's Creed Odyssey is 241% more, than Maxwell GPU Surface Book 940M GDDR5.

    Full Specs

      Maxwell GPU Surface Book 940M GDDR5 Radeon HD 7970
    Architecture Maxwell GCN
    Code name Surface Book Tahiti XT
    Type Laptop Desktop
    Release date 1 October 2015 22 December 2011
    Pipelines 384 2048
    Core clock speed 954 MHz
    Boost Clock 993 MHz 925 MHz
    Transistor count 4,313 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 118.4
    Floating-point performance 3,789 gflops
    Length 274 mm
    Memory bus width 64 Bit 384 Bit
    Memory clock speed 5012 MHz 1375 MHz
    Memory bandwidth 264 GB/s
    Shared memory - -
    DirectX DirectX 12 (FL 11_0), Shader 5.0
    Shader Model 5.1
    OpenGL 4.6
    OpenCL 1.2
    CUDA +
    FreeSync +
    Bus support PCIe 2.1 x16
    HDMI +
    Bitcoin / BTC (SHA256) 485 Mh/s
    Optimus +
    Eyefinity +
    Design reference
    CrossFire +
    Ethereum / ETH (DaggerHashimoto) 20.71 Mh/s
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