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    Maxwell GPU Surface Book 940M GDDR5 vs Radeon R9 M385X

    Find out if it is worth upgrading your current GPU setup by comparing Maxwell GPU Surface Book 940M GDDR5 and Radeon R9 M385X. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Maxwell GPU Surface Book 940M GDDR5 and Radeon R9 M385X. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
    Maxwell GPU Surface Book 940M GDDR5 Check Price
    Radeon R9 M385X Check Price

    Maxwell GPU Surface Book 940M GDDR5 and Radeon R9 M385X are Laptop Graphics Cards

    Note: Maxwell GPU Surface Book 940M GDDR5 and Radeon R9 M385X 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 R9 M385X here:

    Maxwell GPU Surface Book 940M GDDR5 Laptops
    Radeon R9 M385X Laptops

    Main Specs

      Maxwell GPU Surface Book 940M GDDR5 Radeon R9 M385X
    Interface PCIe 3.0 x16
    Memory type GDDR5 GDDR5
    Maximum RAM amount 1 GB 4 GB
    Display Connectors No outputs
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    • Radeon R9 M385X has 3 GB more memory, than Maxwell GPU Surface Book 940M GDDR5.
    • Both cards are used in Laptops.
    • Maxwell GPU Surface Book 940M GDDR5 is build with Maxwell architecture, and Radeon R9 M385X - with GCN.
    • Core clock speed of Radeon R9 M385X is 146 MHz higher, than Maxwell GPU Surface Book 940M GDDR5.
    • Maxwell GPU Surface Book 940M GDDR5 and Radeon R9 M385X are manufactured by 28 nm process technology.
    • Memory clock speed of Maxwell GPU Surface Book 940M GDDR5 is 3512 MHz higher, than Radeon R9 M385X.

    Game benchmarks

    high / 1080p 9−10 8−9
    ultra / 1080p 5−6 5−6
    QHD / 1440p 0−1 0−1
    low / 720p 21−24 18−20
    medium / 1080p 12−14 10−11
    The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Assassin's Creed Odyssey is 20% more, than Radeon R9 M385X.

    Full Specs

      Maxwell GPU Surface Book 940M GDDR5 Radeon R9 M385X
    Architecture Maxwell GCN
    Code name Surface Book Strato-XT-M3
    Type Laptop Laptop
    Release date 1 October 2015 16 June 2015
    Pipelines 384 896
    Core clock speed 954 MHz 1100 MHz
    Boost Clock 993 MHz 1100 MHz
    Transistor count 2,080 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 61.60
    Floating-point performance 1,971 gflops
    Memory bus width 64 Bit 128 Bit
    Memory clock speed 5012 MHz 1500 MHz
    Memory bandwidth 76.8 GB/s
    Shared memory - -
    DirectX DirectX 12 (FL 11_0), Shader 5.0
    Shader Model 6.3
    OpenGL 4.4
    OpenCL Not Listed
    CUDA +
    FreeSync +
    Bus support PCIe 3.0
    Laptop size large
    Optimus +
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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