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    Maxwell GPU Surface Book vs Mobility Radeon HD 4870 X2

    If you are going to buy a new graphics card and are choosing between Maxwell GPU Surface Book and Mobility Radeon HD 4870 X2, 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 stacks up against Mobility Radeon HD 4870 X2, check out specs charts below.
    Maxwell GPU Surface Book Check Price
    Mobility Radeon HD 4870 X2 Check Price

    Maxwell GPU Surface Book and Mobility Radeon HD 4870 X2 are Laptop Graphics Cards

    Note: Maxwell GPU Surface Book and Mobility Radeon HD 4870 X2 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 or Mobility Radeon HD 4870 X2 here:

    Maxwell GPU Surface Book Laptops
    Mobility Radeon HD 4870 X2 Laptops

    Main Specs

      Maxwell GPU Surface Book Mobility Radeon HD 4870 X2
    Interface PCIe 2.0 x16
    Memory type GDDR5 GDDR3, GDDR5
    Maximum RAM amount 1 GB 2 GB
    Display Connectors No outputs
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    • Mobility Radeon HD 4870 X2 has 1 GB more memory, than Maxwell GPU Surface Book.
    • Both cards are used in Laptops.
    • Maxwell GPU Surface Book is build with Maxwell architecture, and Mobility Radeon HD 4870 X2 - with Terascale 1.
    • Core clock speed of Maxwell GPU Surface Book is 404 MHz higher, than Mobility Radeon HD 4870 X2.
    • Maxwell GPU Surface Book is manufactured by 28 nm process technology, and Mobility Radeon HD 4870 X2 - by 55 nm process technology.
    • Memory clock speed of Maxwell GPU Surface Book is 4124 MHz higher, than Mobility Radeon HD 4870 X2.

    Game benchmarks

    high / 1080p 8−9 9−10
    ultra / 1080p 5−6 5−6
    QHD / 1440p 0−1 0−1
    low / 720p 20−22 21−24
    medium / 1080p 10−12 12−14
    The average gaming FPS of Mobility Radeon HD 4870 X2 in Assassin's Creed Odyssey is 9% more, than Maxwell GPU Surface Book.

    Full Specs

      Maxwell GPU Surface Book Mobility Radeon HD 4870 X2
    Architecture Maxwell Terascale 1
    Code name Surface Book M98-XT
    Type Laptop Laptop
    Release date 1 October 2015 9 January 2009
    Pipelines 384 1600
    Core clock speed 954 MHz 550 MHz
    Boost Clock 993 MHz
    Transistor count 956 million
    Manufacturing process technology 28 nm 55 nm
    Texture fill rate 22.00
    Floating-point performance 2x 880.0 gflops
    Memory bus width 64 Bit 256 Bit
    Memory clock speed 5012 MHz 888 MHz
    Memory bandwidth 89.6 GB/s
    Shared memory - -
    DirectX DirectX 12 (FL 11_0), Shader 5.0 10.1 (10_1)
    Shader Model 4.1
    OpenGL 3.3
    OpenCL 1.1
    Vulkan N/A
    CUDA +
    Laptop size large
    Optimus +
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