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    Radeon HD 5870 vs Radeon HD 7970M Crossfire

    If you are going to buy a new graphics card and are choosing between Radeon HD 5870 and Radeon HD 7970M Crossfire, 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 Radeon HD 5870 stacks up against Radeon HD 7970M Crossfire, check out specs charts below.
    Radeon HD 5870 Check Price
    Radeon HD 7970M Crossfire Check Price

    Radeon HD 7970M Crossfire is a Laptop Graphics Card

    Note: Radeon HD 7970M 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 Radeon HD 7970M Crossfire here:

    Radeon HD 7970M Crossfire Laptops

    Main Specs

      Radeon HD 5870 Radeon HD 7970M Crossfire
    Power consumption (TDP) 188 Watt 200 Watt
    Interface PCIe 2.0 x16
    Supplementary power connectors 2x 6-pin
    Memory type GDDR5 GDDR5
    Maximum RAM amount 1 GB
    Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
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    • Radeon HD 7970M Crossfire has 6% more power consumption, than Radeon HD 5870.
    • Radeon HD 5870 is used in Desktops, and Radeon HD 7970M Crossfire - in Laptops.
    • Radeon HD 5870 is build with TeraScale 2 architecture, and Radeon HD 7970M Crossfire - with GCN.
    • Both graphics cards have the same core clock speed.
    • Radeon HD 5870 is manufactured by 40 nm process technology, and Radeon HD 7970M Crossfire - by 28 nm process technology.
    • Memory clock speed of Radeon HD 5870 and Radeon HD 7970M Crossfire is 4800 MHz.

    Game benchmarks

    high / 1080p 10−12 35−40
    ultra / 1080p 6−7 21−24
    QHD / 1440p 1−2 16−18
    4K / 2160p − 10−11
    low / 720p 24−27 60−65
    medium / 1080p 14−16 40−45
    The average gaming FPS of Radeon HD 7970M Crossfire in Assassin's Creed Odyssey is 227% more, than Radeon HD 5870.

    Full Specs

      Radeon HD 5870 Radeon HD 7970M Crossfire
    Architecture TeraScale 2 GCN
    Code name Cypress Wimbledon XT
    Type Desktop Laptop
    Release date 23 September 2009 1 May 2012
    Pipelines 1600 2560
    Core clock speed 850 MHz 850 MHz
    Transistor count 2,154 million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 68.00
    Floating-point performance 2,720.0 gflops
    Length 282 mm
    Memory bus width 256 Bit 2x 256 Bit
    Memory clock speed 4800 MHz 4800 MHz
    Memory bandwidth 153.6 GB/s
    Shared memory -
    DirectX 11.2 (11_0) DirectX 11.1, Shader 5.0
    Shader Model 5.0
    OpenGL 4.4
    OpenCL 1.2
    Vulkan N/A
    Laptop size large
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