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    Mobility Radeon HD 4870 X2 vs Radeon R7 250X

    Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4870 X2 and Radeon R7 250X. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Mobility Radeon HD 4870 X2 and Radeon R7 250X. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
    Mobility Radeon HD 4870 X2 Check Price
    Radeon R7 250X 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 250X
    Power consumption (TDP) 80 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x16
    Supplementary power connectors 1 x 6-pin
    Memory type GDDR3, GDDR5 GDDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 2x mini-DisplayPort
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    • Mobility Radeon HD 4870 X2 is connected by PCIe 2.0 x16, and Radeon R7 250X uses PCIe 3.0 x16 interface.
    • Mobility Radeon HD 4870 X2 and Radeon R7 250X have maximum RAM of 2 GB.
    • Mobility Radeon HD 4870 X2 is used in Laptops, and Radeon R7 250X - in Desktops.
    • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Radeon R7 250X - with GCN 1.0.
    • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon R7 250X - by 28 nm process technology.
    • Memory clock speed of Radeon R7 250X is 737 MHz higher, than Mobility Radeon HD 4870 X2.

    Game benchmarks

    high / 1080p 9−10 10−12
    ultra / 1080p 5−6 6−7
    QHD / 1440p 0−1 1−2
    low / 720p 21−24 24−27
    medium / 1080p 12−14 14−16
    The average gaming FPS of Radeon R7 250X in Assassin's Creed Odyssey is 16% more, than Mobility Radeon HD 4870 X2.

    Full Specs

      Mobility Radeon HD 4870 X2 Radeon R7 250X
    Architecture Terascale 1 GCN 1.0
    Code name M98-XT Cape Verde
    Type Laptop Desktop
    Release date 9 January 2009 13 February 2014
    Pipelines 1600 640
    Core clock speed 550 MHz
    Boost Clock 1000 MHz
    Transistor count 956 million 1,500 million
    Manufacturing process technology 55 nm 28 nm
    Texture fill rate 22.00 38.00
    Floating-point performance 2x 880.0 gflops 1,216 gflops
    Length 210 mm
    Memory bus width 256 Bit 128 Bit
    Memory clock speed 888 MHz 1625 MHz
    Memory bandwidth 89.6 GB/s 96 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) 152 Mh/s
    Laptop size large
    Eyefinity +
    Design reference
    CrossFire +
    DDMA audio +
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