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    Radeon R9 M385 vs Radeon R9 M390X

    When comparing Radeon R9 M385 and Radeon R9 M390X, 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 Radeon R9 M385 and Radeon R9 M390X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    Radeon R9 M385 Check Price
    Radeon R9 M390X Check Price

    Radeon R9 M385 and Radeon R9 M390X are Laptop Graphics Cards

    Note: Radeon R9 M385 and Radeon R9 M390X are only used in laptop graphics. They have 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 M385 or Radeon R9 M390X here:

    Radeon R9 M385 Laptops
    Radeon R9 M390X Laptops

    Main Specs

      Radeon R9 M385 Radeon R9 M390X
    Power consumption (TDP) 100 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 4 GB 4 GB
    Display Connectors No outputs No outputs
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    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • Radeon R9 M385 and Radeon R9 M390X have maximum RAM of 4 GB.
    • Both cards are used in Laptops.
    • Radeon R9 M385 is build with GCN architecture, and Radeon R9 M390X - with GCN 3.
    • Radeon R9 M385 and Radeon R9 M390X are manufactured by 28 nm process technology.

    Game benchmarks

    high / 1080p 10−12 21−24
    ultra / 1080p 6−7 12−14
    QHD / 1440p 1−2 8−9
    4K / 2160p − 5−6
    low / 720p 24−27 40−45
    medium / 1080p 12−14 27−30
    The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 109% more, than Radeon R9 M385.

    Full Specs

      Radeon R9 M385 Radeon R9 M390X
    Architecture GCN GCN 3
    Code name Strato Amethyst (XT) / Tonga
    Type Laptop Laptop
    Release date 16 June 2015 9 June 2015
    Pipelines 896 2048
    Core clock speed 723 MHz
    Boost Clock 1100 MHz
    Transistor count 2,080 million 5,000 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 56.00 92.54
    Floating-point performance 1,792 gflops 2,961 gflops
    Memory bus width 128 Bit 256 Bit
    Memory clock speed 1500 MHz
    Memory bandwidth 76.8 GB/s 160.0 GB/s
    Shared memory - -
    Shader Model 6.3 6.3
    OpenGL 4.4 4.4
    OpenCL Not Listed Not Listed
    Vulkan +
    FreeSync + +
    Bus support PCIe 3.0 PCIe 3.0
    Laptop size medium sized large
    Eyefinity + +
    HD3D + +
    PowerTune + +
    DualGraphics + +
    TrueAudio +
    ZeroCore + +
    Switchable graphics + +
    Mantle + +
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