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    Mobility Radeon HD 5870 Crossfire vs Radeon HD 7990

    When comparing Mobility Radeon HD 5870 Crossfire and Radeon HD 7990, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Mobility Radeon HD 5870 Crossfire and Radeon HD 7990 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    Mobility Radeon HD 5870 Crossfire Check Price
    Radeon HD 7990 Check Price

    Mobility Radeon HD 5870 Crossfire is a Laptop Graphics Card

    Note: Mobility Radeon HD 5870 Crossfire 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 Crossfire here:

    Mobility Radeon HD 5870 Crossfire Laptops

    Main Specs

      Mobility Radeon HD 5870 Crossfire Radeon HD 7990
    Power consumption (TDP) 120 Watt 375 Watt
    Interface PCIe 3.0 x16
    Supplementary power connectors 2x 8-pin
    Memory type DDR3, GDDR3, GDDR5 GDDR5
    Maximum RAM amount 2x1 GB 3 GB
    Display Connectors 1x DVI, 4x mini-DisplayPort
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    • Radeon HD 7990 has 212% more power consumption, than Mobility Radeon HD 5870 Crossfire.
    • Radeon HD 7990 has 1 GB more memory, than Mobility Radeon HD 5870 Crossfire.
    • Mobility Radeon HD 5870 Crossfire is used in Laptops, and Radeon HD 7990 - in Desktops.
    • Mobility Radeon HD 5870 Crossfire is build with Terascale 2 architecture, and Radeon HD 7990 - with GCN 1.0.
    • Core clock speed of Radeon HD 7990 is 250 MHz higher, than Mobility Radeon HD 5870 Crossfire.
    • Mobility Radeon HD 5870 Crossfire is manufactured by 40 nm process technology, and Radeon HD 7990 - by 28 nm process technology.
    • Memory clock speed of Radeon HD 7990 is 5000 MHz higher, than Mobility Radeon HD 5870 Crossfire.

    Game benchmarks

    high / 1080p 16−18 35−40
    ultra / 1080p 9−10 21−24
    QHD / 1440p 4−5 16−18
    4K / 2160p − 10−11
    low / 720p 30−35 60−65
    medium / 1080p 18−20 40−45
    The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 125% more, than Mobility Radeon HD 5870 Crossfire.

    Full Specs

      Mobility Radeon HD 5870 Crossfire Radeon HD 7990
    Architecture Terascale 2 GCN 1.0
    Code name Broadway-XT Malta
    Type Laptop Desktop
    Release date 7 January 2010 24 April 2013
    Pipelines 1600 2048
    Core clock speed 700 MHz 950 MHz
    Boost Clock 1000 MHz
    Transistor count 4,313 million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 128.0
    Floating-point performance 2x 4,096 gflops
    Length 307 mm
    Memory bus width 128 Bit 384 Bit
    Memory clock speed 1000 MHz 6000 MHz
    Memory bandwidth 288.0 GB/s
    Shared memory -
    DirectX DirectX 11, Shader 5.0 12 (11_1)
    Shader Model 5.1
    OpenGL 4.6
    OpenCL 1.2
    Vulkan 1.2.131
    Bitcoin / BTC (SHA256) 459 Mh/s
    Laptop size large
    Ethereum / ETH (DaggerHashimoto) 44 Mh/s
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