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    Mobility Radeon HD 4870 vs Radeon HD 7750M

    If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4870 and Radeon HD 7750M, 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 Mobility Radeon HD 4870 stacks up against Radeon HD 7750M, check out specs charts below.
    Mobility Radeon HD 4870 Check Price
    Radeon HD 7750M Check Price

    Mobility Radeon HD 4870 and Radeon HD 7750M are Laptop Graphics Cards

    Note: Mobility Radeon HD 4870 and Radeon HD 7750M 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 or Radeon HD 7750M here:

    Mobility Radeon HD 4870 Laptops
    Radeon HD 7750M Laptops

    Main Specs

      Mobility Radeon HD 4870 Radeon HD 7750M
    Power consumption (TDP) 28 Watt
    Interface PCIe 2.0 x16 PCIe 2.0 x16
    Memory type GDDR5 GDDR5
    Maximum RAM amount 1 GB 2 GB
    Display Connectors No outputs No outputs
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    • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
    • Radeon HD 7750M has 1 GB more memory, than Mobility Radeon HD 4870.
    • Both cards are used in Laptops.
    • Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon HD 7750M - with GCN.
    • Core clock speed of Radeon HD 7750M is 25 MHz higher, than Mobility Radeon HD 4870.
    • Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 7750M - by 28 nm process technology.
    • Memory clock speed of Radeon HD 7750M is 3112 MHz higher, than Mobility Radeon HD 4870.

    Game benchmarks

    high / 1080p 7−8 3−4
    ultra / 1080p 4−5 1−2
    QHD / 1440p 0−1 0−1
    low / 720p 16−18 14−16
    medium / 1080p 8−9 5−6
    The average gaming FPS of Mobility Radeon HD 4870 in Assassin's Creed Odyssey is 50% more, than Radeon HD 7750M.

    Full Specs

      Mobility Radeon HD 4870 Radeon HD 7750M
    Architecture Terascale 1 GCN
    Code name M98-XT Lombok XL
    Type Laptop Laptop
    Release date 9 January 2009 24 April 2012
    Pipelines 800 512
    Core clock speed 550 MHz 575 MHz
    Transistor count 956 million 1,500 million
    Manufacturing process technology 55 nm 28 nm
    Texture fill rate 22.00 18.40
    Floating-point performance 880.0 gflops 588.8 gflops
    Memory bus width 256 Bit 128 Bit
    Memory clock speed 888 MHz 4000 MHz
    Memory bandwidth 56.83 GB/s 64 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
    Laptop size large medium sized
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