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    Mobility Radeon HD 4870 X2 vs Radeon HD 7970M

    In this comparison between Mobility Radeon HD 4870 X2 and Radeon HD 7970M you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Mobility Radeon HD 4870 X2 will be the best choice, for others Radeon HD 7970M will be their preference. Study the comparison tables below and make your choice.
    Mobility Radeon HD 4870 X2 Check Price
    Radeon HD 7970M Check Price

    Mobility Radeon HD 4870 X2 and Radeon HD 7970M are Laptop Graphics Cards

    Note: Mobility Radeon HD 4870 X2 and Radeon HD 7970M 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 Mobility Radeon HD 4870 X2 or Radeon HD 7970M here:

    Mobility Radeon HD 4870 X2 Laptops
    Radeon HD 7970M Laptops

    Main Specs

      Mobility Radeon HD 4870 X2 Radeon HD 7970M
    Power consumption (TDP) 100 Watt
    Interface PCIe 2.0 x16 MXM-B (3.0)
    Supplementary power connectors None
    Memory type GDDR3, GDDR5 GDDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs No outputs
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    • Mobility Radeon HD 4870 X2 is connected by PCIe 2.0 x16, and Radeon HD 7970M uses MXM-B (3.0) interface.
    • Mobility Radeon HD 4870 X2 and Radeon HD 7970M have maximum RAM of 2 GB.
    • Both cards are used in Laptops.
    • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Radeon HD 7970M - with GCN.
    • Core clock speed of Radeon HD 7970M is 300 MHz higher, than Mobility Radeon HD 4870 X2.
    • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon HD 7970M - by 28 nm process technology.
    • Memory clock speed of Radeon HD 7970M is 3912 MHz higher, than Mobility Radeon HD 4870 X2.

    Game benchmarks

    high / 1080p 9−10 18−20
    ultra / 1080p 5−6 10−12
    QHD / 1440p 0−1 5−6
    4K / 2160p − 4−5
    low / 720p 21−24 35−40
    medium / 1080p 12−14 21−24
    The average gaming FPS of Radeon HD 7970M in Assassin's Creed Odyssey is 83% more, than Mobility Radeon HD 4870 X2.

    Full Specs

      Mobility Radeon HD 4870 X2 Radeon HD 7970M
    Architecture Terascale 1 GCN
    Code name M98-XT Wimbledon XT
    Type Laptop Laptop
    Release date 9 January 2009 1 May 2012
    Pipelines 1600 1280
    Core clock speed 550 MHz 850 MHz
    Transistor count 956 million 2,800 million
    Manufacturing process technology 55 nm 28 nm
    Texture fill rate 22.00 68.00
    Floating-point performance 2x 880.0 gflops 2,176 gflops
    Memory bus width 256 Bit 256 Bit
    Memory clock speed 888 MHz 4800 MHz
    Memory bandwidth 89.6 GB/s 153.6 GB/s
    Shared memory - -
    DirectX 10.1 (10_1) 12 (11_1)
    Shader Model 4.1 5.1
    OpenGL 3.3 4.6
    OpenCL 1.1 1.2
    Vulkan N/A 1.2.131
    Bitcoin / BTC (SHA256) 254 Mh/s
    Laptop size large large
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