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    Radeon HD 4870 X2 vs Radeon R9 M385X

    Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 4870 X2 and Radeon R9 M385X. 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 Radeon HD 4870 X2 and Radeon R9 M385X. 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.
    Radeon HD 4870 X2
    Radeon R9 M385X Check Price

    Radeon R9 M385X is a Laptop Graphics Card

    Note: Radeon R9 M385X 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 R9 M385X here:

    Radeon R9 M385X Laptops

    Main Specs

      Radeon HD 4870 X2 Radeon R9 M385X
    Power consumption (TDP) 286 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x16
    Supplementary power connectors 1x 6-pin + 1x 8-pin
    Memory type GDDR5 GDDR5
    Maximum RAM amount 1 GB 4 GB
    Display Connectors 2x DVI, 1x S-Video No outputs
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    • Radeon HD 4870 X2 is connected by PCIe 2.0 x16, and Radeon R9 M385X uses PCIe 3.0 x16 interface.
    • Radeon R9 M385X has 3 GB more memory, than Radeon HD 4870 X2.
    • Radeon HD 4870 X2 is used in Desktops, and Radeon R9 M385X - in Laptops.
    • Radeon HD 4870 X2 is build with TeraScale architecture, and Radeon R9 M385X - with GCN.
    • Core clock speed of Radeon R9 M385X is 400 MHz higher, than Radeon HD 4870 X2.
    • Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon R9 M385X - by 28 nm process technology.
    • Memory clock speed of Radeon HD 4870 X2 is 2100 MHz higher, than Radeon R9 M385X.

    Game benchmarks

    high / 1080p 3−4 8−9
    ultra / 1080p 1−2 5−6
    QHD / 1440p 0−1 0−1
    low / 720p 14−16 18−20
    medium / 1080p 6−7 10−11
    The average gaming FPS of Radeon R9 M385X in Assassin's Creed Odyssey is 66% more, than Radeon HD 4870 X2.

    Full Specs

      Radeon HD 4870 X2 Radeon R9 M385X
    Architecture TeraScale GCN
    Code name R700 Strato-XT-M3
    Type Desktop Laptop
    Release date 12 August 2008 16 June 2015
    Pipelines 800 896
    Core clock speed 700 MHz 1100 MHz
    Boost Clock 1100 MHz
    Transistor count 956 million 2,080 million
    Manufacturing process technology 55 nm 28 nm
    Texture fill rate 28.00 61.60
    Floating-point performance 2x 1,120.0 gflops 1,971 gflops
    Length 267 mm
    Memory bus width 256 Bit 128 Bit
    Memory clock speed 3600 MHz 1500 MHz
    Memory bandwidth 115.2 GB/s 76.8 GB/s
    Shared memory -
    DirectX 10.1 (10_1)
    Shader Model 4.1 6.3
    OpenGL 3.3 4.4
    OpenCL 1.1 Not Listed
    Vulkan N/A
    FreeSync +
    Bus support PCIe 3.0
    Laptop size large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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