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    Radeon HD 4870 X2 vs Radeon HD 6970M Crossfire

    If you are going to buy a new graphics card and are choosing between Radeon HD 4870 X2 and Radeon HD 6970M 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 4870 X2 stacks up against Radeon HD 6970M Crossfire, check out specs charts below.
    Radeon HD 4870 X2
    Radeon HD 6970M Crossfire Check Price

    Radeon HD 6970M Crossfire is a Laptop Graphics Card

    Note: Radeon HD 6970M 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 6970M Crossfire here:

    Radeon HD 6970M Crossfire Laptops

    Main Specs

      Radeon HD 4870 X2 Radeon HD 6970M Crossfire
    Power consumption (TDP) 286 Watt
    Interface PCIe 2.0 x16
    Supplementary power connectors 1x 6-pin + 1x 8-pin
    Memory type GDDR5 GDDR5
    Maximum RAM amount 1 GB 2x2 GB
    Display Connectors 2x DVI, 1x S-Video
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    • Radeon HD 6970M Crossfire has 1 GB more memory, than Radeon HD 4870 X2.
    • Radeon HD 4870 X2 is used in Desktops, and Radeon HD 6970M Crossfire - in Laptops.
    • Radeon HD 4870 X2 is build with TeraScale architecture, and Radeon HD 6970M Crossfire - with Terascale 2.
    • Core clock speed of Radeon HD 4870 X2 is 20 MHz higher, than Radeon HD 6970M Crossfire.
    • Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon HD 6970M Crossfire - by 40 nm process technology.
    • Memory clock speed of Radeon HD 4870 X2 is 2700 MHz higher, than Radeon HD 6970M Crossfire.

    Game benchmarks

    high / 1080p 3−4 21−24
    ultra / 1080p 1−2 12−14
    QHD / 1440p 0−1 7−8
    4K / 2160p − 5−6
    low / 720p 14−16 40−45
    medium / 1080p 6−7 24−27
    The average gaming FPS of Radeon HD 6970M Crossfire in Assassin's Creed Odyssey is 316% more, than Radeon HD 4870 X2.

    Full Specs

      Radeon HD 4870 X2 Radeon HD 6970M Crossfire
    Architecture TeraScale Terascale 2
    Code name R700 Blackcomb XT
    Type Desktop Laptop
    Release date 12 August 2008 6 January 2011
    Pipelines 800 1920
    Core clock speed 700 MHz 680 MHz
    Transistor count 956 million 2x1700 Million
    Manufacturing process technology 55 nm 40 nm
    Texture fill rate 28.00
    Floating-point performance 2x 1,120.0 gflops
    Length 267 mm
    Memory bus width 256 Bit 256 Bit
    Memory clock speed 3600 MHz 900 MHz
    Memory bandwidth 115.2 GB/s
    Shared memory -
    DirectX 10.1 (10_1) DirectX 11, Shader 5.0
    Shader Model 4.1
    OpenGL 3.3
    OpenCL 1.1
    Vulkan N/A
    Laptop size large
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