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    Mobility Radeon HD 4870 X2 vs Radeon 540

    When comparing Mobility Radeon HD 4870 X2 and Radeon 540, 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 4870 X2 and Radeon 540 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    Mobility Radeon HD 4870 X2 Check Price
    Radeon 540

    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 540
    Power consumption (TDP) 50 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x8
    Supplementary power connectors None
    Memory type GDDR3, GDDR5 GDDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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    • Mobility Radeon HD 4870 X2 is connected by PCIe 2.0 x16, and Radeon 540 uses PCIe 3.0 x8 interface.
    • Mobility Radeon HD 4870 X2 and Radeon 540 have maximum RAM of 2 GB.
    • Mobility Radeon HD 4870 X2 is used in Laptops, and Radeon 540 - in Desktops.
    • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Radeon 540 - with GCN 4.0.
    • Core clock speed of Radeon 540 is 550 MHz higher, than Mobility Radeon HD 4870 X2.
    • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon 540 - by 14 nm process technology.
    • Memory clock speed of Radeon 540 is 6112 MHz higher, than Mobility Radeon HD 4870 X2.

    Game benchmarks

    high / 1080p 9−10 6−7
    ultra / 1080p 5−6 3−4
    QHD / 1440p 0−1 0−1
    low / 720p 21−24 14−16
    medium / 1080p 12−14 7−8
    The average gaming FPS of Mobility Radeon HD 4870 X2 in Assassin's Creed Odyssey is 50% more, than Radeon 540.

    Full Specs

      Mobility Radeon HD 4870 X2 Radeon 540
    Architecture Terascale 1 GCN 4.0
    Code name M98-XT Lexa
    Type Laptop Desktop
    Release date 9 January 2009 26 March 2019
    Pipelines 1600 512
    Core clock speed 550 MHz 1100 MHz
    Boost Clock 1124 MHz
    Transistor count 956 million 2,200 million
    Manufacturing process technology 55 nm 14 nm
    Texture fill rate 22.00 35.97
    Floating-point performance 2x 880.0 gflops
    Length 145 mm
    Memory bus width 256 Bit 64 Bit
    Memory clock speed 888 MHz 7000 MHz
    Memory bandwidth 89.6 GB/s 56 GB/s
    Shared memory -
    DirectX 10.1 (10_1) 12 (12_0)
    Shader Model 4.1 6.4
    OpenGL 3.3 4.6
    OpenCL 1.1 2.0
    Vulkan N/A 1.2.131
    Laptop size large
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