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    Mobility Radeon HD 4870 X2 vs Radeon R9 380

    When comparing Mobility Radeon HD 4870 X2 and Radeon R9 380, 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 R9 380 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 R9 380 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 R9 380
    Power consumption (TDP) 190 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x16
    Supplementary power connectors 2 x 6-pin
    Memory type GDDR3, GDDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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    • Mobility Radeon HD 4870 X2 is connected by PCIe 2.0 x16, and Radeon R9 380 uses PCIe 3.0 x16 interface.
    • Radeon R9 380 has 2 GB more memory, than Mobility Radeon HD 4870 X2.
    • Mobility Radeon HD 4870 X2 is used in Laptops, and Radeon R9 380 - in Desktops.
    • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Radeon R9 380 - with GCN.
    • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon R9 380 - by 28 nm process technology.
    • Memory clock speed of Radeon R9 380 is 82 MHz higher, than Mobility Radeon HD 4870 X2.

    Game benchmarks

    high / 1080p 9−10 35−40
    ultra / 1080p 5−6 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 21−24 60−65
    medium / 1080p 12−14 40−45
    The average gaming FPS of Radeon R9 380 in Assassin's Creed Odyssey is 241% more, than Mobility Radeon HD 4870 X2.

    Full Specs

      Mobility Radeon HD 4870 X2 Radeon R9 380
    Architecture Terascale 1 GCN
    Code name M98-XT Tonga Pro
    Type Laptop Desktop
    Release date 9 January 2009 26 June 2015
    Pipelines 1600 1792
    Core clock speed 550 MHz
    Boost Clock 970 MHz
    Transistor count 956 million 5,000 million
    Manufacturing process technology 55 nm 28 nm
    Texture fill rate 22.00 108.6
    Floating-point performance 2x 880.0 gflops 3,476 gflops
    Length 221 mm
    Memory bus width 256 Bit 256 Bit
    Memory clock speed 888 MHz 970 MHz
    Memory bandwidth 89.6 GB/s 182.4 GB/s
    Shared memory - -
    DirectX 10.1 (10_1)
    Shader Model 4.1 6.3
    OpenGL 3.3 4.5
    OpenCL 1.1 2.0
    Vulkan N/A +
    Monero / XMR (CryptoNight) 0.48 kh/s
    FreeSync +
    Bus support PCIe 3.0
    HDMI +
    Bitcoin / BTC (SHA256) 404 Mh/s
    Laptop size large
    Eyefinity +
    HD3D +
    PowerTune +
    TrueAudio +
    ZeroCore +
    Mantle +
    Design reference
    Bridgeless CrossFire +
    Number of Eyefinity displays 6
    DisplayPort support +
    CrossFire +
    VCE +
    DDMA audio +
    Decred / DCR (Decred) 0.66 Gh/s
    Ethereum / ETH (DaggerHashimoto) 18 Mh/s
    Zcash / ZEC (Equihash) 168.45 Sol/s
    Compute units 28
    Form factor full height / full length / dual slot
    High bandwidth memory (HBM) -
    LiquidVR +
    FRTC +
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