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    Radeon R9 M385X vs Radeon RX 550X

    Find out if it is worth upgrading your current GPU setup by comparing Radeon R9 M385X and Radeon RX 550X. 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 R9 M385X and Radeon RX 550X. 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 R9 M385X Check Price
    Radeon RX 550X

    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 R9 M385X Radeon RX 550X
    Power consumption (TDP) 50 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x8
    Supplementary power connectors None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 4 GB 4 GB
    Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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    • Radeon R9 M385X is connected by PCIe 3.0 x16, and Radeon RX 550X uses PCIe 3.0 x8 interface.
    • Radeon R9 M385X and Radeon RX 550X have maximum RAM of 4 GB.
    • Radeon R9 M385X is used in Laptops, and Radeon RX 550X - in Desktops.
    • Radeon R9 M385X is build with GCN architecture, and Radeon RX 550X - with GCN 4.0.
    • Both graphics cards have the same core clock speed.
    • Radeon R9 M385X is manufactured by 28 nm process technology, and Radeon RX 550X - by 14 nm process technology.
    • Memory clock speed of Radeon RX 550X is 4500 MHz higher, than Radeon R9 M385X.

    Game benchmarks

    high / 1080p 8−9 10−11
    ultra / 1080p 5−6 6−7
    QHD / 1440p 0−1 0−1
    low / 720p 18−20 21−24
    medium / 1080p 10−11 12−14
    The average gaming FPS of Radeon RX 550X in Assassin's Creed Odyssey is 30% more, than Radeon R9 M385X.

    Full Specs

      Radeon R9 M385X Radeon RX 550X
    Architecture GCN GCN 4.0
    Code name Strato-XT-M3 Lexa
    Type Laptop Desktop
    Release date 16 June 2015 16 December 2018
    Pipelines 896 512
    Core clock speed 1100 MHz 1100 MHz
    Boost Clock 1100 MHz 1183 MHz
    Transistor count 2,080 million 2,200 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 61.60 37.86
    Floating-point performance 1,971 gflops 1,211 gflops
    Length 145 mm
    Memory bus width 128 Bit 128 Bit
    Memory clock speed 1500 MHz 6000 MHz
    Memory bandwidth 76.8 GB/s 96 GB/s
    Shared memory -
    DirectX 12 (12_0)
    Shader Model 6.3 6.4
    OpenGL 4.4 4.6
    OpenCL Not Listed 2.0
    Vulkan 1.2.131
    FreeSync +
    Bus support PCIe 3.0
    Laptop size large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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