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    Mobility Radeon HD 4870 X2 vs Radeon R7 250

    If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4870 X2 and Radeon R7 250, 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 4870 X2 stacks up against Radeon R7 250, check out specs charts below.
    Mobility Radeon HD 4870 X2 Check Price
    Radeon R7 250 Check Price

    Mobility Radeon HD 4870 X2 is a Laptop Graphics Card

    Note: Mobility Radeon HD 4870 X2 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 4870 X2 here:

    Mobility Radeon HD 4870 X2 Laptops

    Main Specs

      Mobility Radeon HD 4870 X2 Radeon R7 250
    Power consumption (TDP) 75 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x8
    Supplementary power connectors N/A
    Memory type GDDR3, GDDR5 DDR3, GDDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 1x VGA
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    • Mobility Radeon HD 4870 X2 is connected by PCIe 2.0 x16, and Radeon R7 250 uses PCIe 3.0 x8 interface.
    • Mobility Radeon HD 4870 X2 and Radeon R7 250 have maximum RAM of 2 GB.
    • Mobility Radeon HD 4870 X2 is used in Laptops, and Radeon R7 250 - in Desktops.
    • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Radeon R7 250 - with GCN.
    • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon R7 250 - by 28 nm process technology.
    • Memory clock speed of Radeon R7 250 is 262 MHz higher, than Mobility Radeon HD 4870 X2.

    Game benchmarks

    high / 1080p 9−10 3−4
    ultra / 1080p 5−6 1−2
    QHD / 1440p 0−1 0−1
    low / 720p 21−24 14−16
    medium / 1080p 12−14 5−6
    The average gaming FPS of Mobility Radeon HD 4870 X2 in Assassin's Creed Odyssey is 100% more, than Radeon R7 250.

    Full Specs

      Mobility Radeon HD 4870 X2 Radeon R7 250
    Architecture Terascale 1 GCN
    Code name M98-XT Oland XT
    Type Laptop Desktop
    Release date 9 January 2009 1 October 2013
    Pipelines 1600 384
    Core clock speed 550 MHz
    Boost Clock 1050 MHz
    Transistor count 956 million 950 million
    Manufacturing process technology 55 nm 28 nm
    Texture fill rate 22.00 25.20
    Floating-point performance 2x 880.0 gflops 716.8 gflops
    Length 168 mm
    Memory bus width 256 Bit 128 Bit
    Memory clock speed 888 MHz 1150 MHz
    Memory bandwidth 89.6 GB/s 72 GB/s
    Shared memory - -
    DirectX 10.1 (10_1)
    Shader Model 4.1 5.1
    OpenGL 3.3 4.6
    OpenCL 1.1 1.2
    Vulkan N/A
    FreeSync +
    Bus support PCIe 3.0
    HDMI +
    Bitcoin / BTC (SHA256) 117 Mh/s
    Laptop size large
    Design reference
    CrossFire +
    DDMA audio +
    Ethereum / ETH (DaggerHashimoto) 3 Mh/s
    AppAcceleration +
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