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    Maxwell GPU Surface Book 940M GDDR5 vs Radeon R7 250X

    If you are going to buy a new graphics card and are choosing between Maxwell GPU Surface Book 940M GDDR5 and Radeon R7 250X, 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 R7 250X, check out specs charts below.
    Maxwell GPU Surface Book 940M GDDR5 Check Price
    Radeon R7 250X 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 R7 250X
    Power consumption (TDP) 80 Watt
    Interface PCIe 3.0 x16
    Supplementary power connectors 1 x 6-pin
    Memory type GDDR5 GDDR5
    Maximum RAM amount 1 GB 2 GB
    Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort
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    • Radeon R7 250X has 1 GB more memory, than Maxwell GPU Surface Book 940M GDDR5.
    • Maxwell GPU Surface Book 940M GDDR5 is used in Laptops, and Radeon R7 250X - in Desktops.
    • Maxwell GPU Surface Book 940M GDDR5 is build with Maxwell architecture, and Radeon R7 250X - with GCN 1.0.
    • Maxwell GPU Surface Book 940M GDDR5 and Radeon R7 250X are manufactured by 28 nm process technology.
    • Memory clock speed of Maxwell GPU Surface Book 940M GDDR5 is 3387 MHz higher, than Radeon R7 250X.

    Game benchmarks

    high / 1080p 9−10 10−12
    ultra / 1080p 5−6 6−7
    QHD / 1440p 0−1 1−2
    low / 720p 21−24 24−27
    medium / 1080p 12−14 14−16
    The average gaming FPS of Radeon R7 250X in Assassin's Creed Odyssey is 16% more, than Maxwell GPU Surface Book 940M GDDR5.

    Full Specs

      Maxwell GPU Surface Book 940M GDDR5 Radeon R7 250X
    Architecture Maxwell GCN 1.0
    Code name Surface Book Cape Verde
    Type Laptop Desktop
    Release date 1 October 2015 13 February 2014
    Pipelines 384 640
    Core clock speed 954 MHz
    Boost Clock 993 MHz 1000 MHz
    Transistor count 1,500 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 38.00
    Floating-point performance 1,216 gflops
    Length 210 mm
    Memory bus width 64 Bit 128 Bit
    Memory clock speed 5012 MHz 1625 MHz
    Memory bandwidth 96 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 3.0
    HDMI +
    Bitcoin / BTC (SHA256) 152 Mh/s
    Optimus +
    Eyefinity +
    Design reference
    CrossFire +
    DDMA audio +
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