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    Mobility Radeon HD 5870 vs Radeon R9 M390

    If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 5870 and Radeon R9 M390, 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 5870 stacks up against Radeon R9 M390, check out specs charts below.
    Mobility Radeon HD 5870 Check Price
    Radeon R9 M390 Check Price

    Mobility Radeon HD 5870 and Radeon R9 M390 are Laptop Graphics Cards

    Note: Mobility Radeon HD 5870 and Radeon R9 M390 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 5870 or Radeon R9 M390 here:

    Mobility Radeon HD 5870 Laptops
    Radeon R9 M390 Laptops

    Main Specs

      Mobility Radeon HD 5870 Radeon R9 M390
    Power consumption (TDP) 50 Watt
    Interface MXM-B (3.0)
    Memory type DDR3, GDDR3, GDDR5 GDDR5
    Maximum RAM amount 1 GB 2 GB
    Display Connectors No outputs
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    • Radeon R9 M390 has 1 GB more memory, than Mobility Radeon HD 5870.
    • Both cards are used in Laptops.
    • Mobility Radeon HD 5870 is build with Terascale 2 architecture, and Radeon R9 M390 - with GCN.
    • Mobility Radeon HD 5870 is manufactured by 40 nm process technology, and Radeon R9 M390 - by 28 nm process technology.

    Game benchmarks

    high / 1080p 10−11 18−20
    ultra / 1080p 6−7 10−11
    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 R9 M390 in Assassin's Creed Odyssey is 69% more, than Mobility Radeon HD 5870.

    Full Specs

      Mobility Radeon HD 5870 Radeon R9 M390
    Architecture Terascale 2 GCN
    Code name Broadway-XT Pitcairn
    Type Laptop Laptop
    Release date 7 January 2010 9 June 2015
    Pipelines 800 1024
    Core clock speed 700 MHz
    Transistor count 1,040 million 5000 Million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 28.00
    Floating-point performance 1,120.0 gflops
    Memory bus width 128 Bit 256 Bit
    Memory clock speed 1000 MHz
    Memory bandwidth 64 GB/s
    Shared memory - -
    DirectX 11.2 (11_0)
    Shader Model 5.0
    OpenGL 4.4 4.4
    OpenCL 1.2 Not Listed
    Vulkan N/A
    FreeSync +
    Bus support PCIe 3.0
    Bitcoin / BTC (SHA256) 242 Mh/s
    Laptop size large large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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