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    Maxwell GPU Surface Book 940M GDDR5 vs Radeon Pro Vega 20

    If you are going to buy a new graphics card and are choosing between Maxwell GPU Surface Book 940M GDDR5 and Radeon Pro Vega 20, 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 Pro Vega 20, check out specs charts below.
    Maxwell GPU Surface Book 940M GDDR5 Check Price
    Radeon Pro Vega 20 Check Price

    Maxwell GPU Surface Book 940M GDDR5 and Radeon Pro Vega 20 are Laptop Graphics Cards

    Note: Maxwell GPU Surface Book 940M GDDR5 and Radeon Pro Vega 20 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 Maxwell GPU Surface Book 940M GDDR5 or Radeon Pro Vega 20 here:

    Maxwell GPU Surface Book 940M GDDR5 Laptops
    Radeon Pro Vega 20 Laptops

    Main Specs

      Maxwell GPU Surface Book 940M GDDR5 Radeon Pro Vega 20
    Power consumption (TDP) 100 Watt
    Interface PCIe 3.0 x16
    Supplementary power connectors 1x 6-pin + 1x 8-pin
    Memory type GDDR5 HBM2
    Maximum RAM amount 1 GB 4 GB
    Display Connectors No outputs
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    • Radeon Pro Vega 20 has 3 GB more memory, than Maxwell GPU Surface Book 940M GDDR5.
    • Maxwell GPU Surface Book 940M GDDR5 is used in Laptops, and Radeon Pro Vega 20 - in Mobile workstations.
    • Maxwell GPU Surface Book 940M GDDR5 is build with Maxwell architecture, and Radeon Pro Vega 20 - with Vega.
    • Core clock speed of Maxwell GPU Surface Book 940M GDDR5 is 139 MHz higher, than Radeon Pro Vega 20.
    • Maxwell GPU Surface Book 940M GDDR5 is manufactured by 28 nm process technology, and Radeon Pro Vega 20 - by 14 nm process technology.
    • Memory clock speed of Maxwell GPU Surface Book 940M GDDR5 is 3532 MHz higher, than Radeon Pro Vega 20.

    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 Pro Vega 20 in Assassin's Creed Odyssey is 241% more, than Maxwell GPU Surface Book 940M GDDR5.

    Full Specs

      Maxwell GPU Surface Book 940M GDDR5 Radeon Pro Vega 20
    Architecture Maxwell Vega
    Code name Surface Book Vega Mobile
    Type Laptop Mobile workstation
    Release date 1 October 2015 15 November 2018
    Pipelines 384 1280
    Core clock speed 954 MHz 815 MHz
    Boost Clock 993 MHz 1283 MHz
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 102.6
    Memory bus width 64 Bit 1024 Bit
    Memory clock speed 5012 MHz 1480 MHz
    Memory bandwidth 189.4 GB/s
    Shared memory - -
    DirectX DirectX 12 (FL 11_0), Shader 5.0 12 (12_1)
    Shader Model 6.3
    OpenGL 4.6
    OpenCL 2.0
    Vulkan 1.2.131
    CUDA +
    Laptop size large
    Optimus +
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