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    Mobility Radeon HD 5870 vs Radeon R9 280

    In this comparison between Mobility Radeon HD 5870 and Radeon R9 280 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 5870 will be the best choice, for others Radeon R9 280 will be their preference. Study the comparison tables below and make your choice.
    Mobility Radeon HD 5870 Check Price
    Radeon R9 280 Check Price

    Mobility Radeon HD 5870 is a Laptop Graphics Card

    Note: Mobility Radeon HD 5870 is only used in laptop graphics. It has 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 here:

    Mobility Radeon HD 5870 Laptops

    Main Specs

      Mobility Radeon HD 5870 Radeon R9 280
    Power consumption (TDP) 50 Watt 200 Watt
    Interface MXM-B (3.0) PCIe 3.0 x16
    Supplementary power connectors 1 x 6-pin + 1 x 8-pin
    Memory type DDR3, GDDR3, GDDR5 GDDR5
    Maximum RAM amount 1 GB 3 GB
    Display Connectors No outputs 2x DVI, 1x HDMI, 2x mini-DisplayPort
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    • Radeon R9 280 has 300% more power consumption, than Mobility Radeon HD 5870.
    • Mobility Radeon HD 5870 is connected by MXM-B (3.0), and Radeon R9 280 uses PCIe 3.0 x16 interface.
    • Radeon R9 280 has 2 GB more memory, than Mobility Radeon HD 5870.
    • Mobility Radeon HD 5870 is used in Laptops, and Radeon R9 280 - in Desktops.
    • Mobility Radeon HD 5870 is build with Terascale 2 architecture, and Radeon R9 280 - with GCN 1.0.
    • Mobility Radeon HD 5870 is manufactured by 40 nm process technology, and Radeon R9 280 - by 28 nm process technology.
    • Memory clock speed of Radeon R9 280 is 250 MHz higher, than Mobility Radeon HD 5870.

    Game benchmarks

    high / 1080p 10−11 35−40
    ultra / 1080p 6−7 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 21−24 60−65
    medium / 1080p 12−14 40−45
    The average gaming FPS of Radeon R9 280 in Assassin's Creed Odyssey is 215% more, than Mobility Radeon HD 5870.

    Full Specs

      Mobility Radeon HD 5870 Radeon R9 280
    Architecture Terascale 2 GCN 1.0
    Code name Broadway-XT Tahiti
    Type Laptop Desktop
    Release date 7 January 2010 4 March 2014
    Pipelines 800 1792
    Core clock speed 700 MHz
    Boost Clock 933 MHz
    Transistor count 1,040 million 4,313 million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 28.00 104.5
    Floating-point performance 1,120.0 gflops 3,344 gflops
    Length 275 mm
    Memory bus width 128 Bit 384 Bit
    Memory clock speed 1000 MHz 1250 MHz
    Memory bandwidth 64 GB/s 240 GB/s
    Shared memory -
    DirectX 11.2 (11_0)
    Shader Model 5.0 5.1
    OpenGL 4.4 4.6
    OpenCL 1.2 1.2
    Vulkan N/A +
    FreeSync +
    Bus support PCIe 3.0
    HDMI +
    Bitcoin / BTC (SHA256) 408 Mh/s
    Laptop size large
    Eyefinity +
    HD3D +
    TrueAudio +
    Design reference
    CrossFire +
    DDMA audio +
    Ethereum / ETH (DaggerHashimoto) 21.5 Mh/s
    LiquidVR +
    TressFX +
    UVD +
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