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    Radeon R9 M290X vs Radeon R9 M390X

    Find out if it is worth upgrading your current GPU setup by comparing Radeon R9 M290X and Radeon R9 M390X. 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 M290X and Radeon R9 M390X. 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 M290X Check Price
    Radeon R9 M390X Check Price

    Radeon R9 M290X and Radeon R9 M390X are Laptop Graphics Cards

    Note: Radeon R9 M290X 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 M290X or Radeon R9 M390X here:

    Radeon R9 M290X Laptops
    Radeon R9 M390X Laptops

    Main Specs

      Radeon R9 M290X Radeon R9 M390X
    Power consumption (TDP) 100 Watt 100 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors None None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 4 GB 4 GB
    Display Connectors No outputs No outputs
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    • Both graphics cards have the same power consumption of 100 Watt.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • Radeon R9 M290X and Radeon R9 M390X have maximum RAM of 4 GB.
    • Both cards are used in Laptops.
    • Radeon R9 M290X is build with GCN architecture, and Radeon R9 M390X - with GCN 3.
    • Core clock speed of Radeon R9 M290X is 127 MHz higher, than Radeon R9 M390X.
    • Radeon R9 M290X and Radeon R9 M390X are manufactured by 28 nm process technology.

    Game benchmarks

    high / 1080p 16−18 21−24
    ultra / 1080p 10−11 12−14
    QHD / 1440p 4−5 8−9
    4K / 2160p 4−5 5−6
    low / 720p 30−35 40−45
    medium / 1080p 20−22 27−30
    The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 33% more, than Radeon R9 M290X.

    Full Specs

      Radeon R9 M290X Radeon R9 M390X
    Architecture GCN GCN 3
    Code name Neptune Amethyst (XT) / Tonga
    Type Laptop Laptop
    Release date 7 January 2014 9 June 2015
    Pipelines 1280 2048
    Core clock speed 850 MHz 723 MHz
    Boost Clock 900 MHz
    Transistor count 2,800 million 5,000 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 72.00 92.54
    Floating-point performance 2,304 gflops 2,961 gflops
    Memory bus width 256 Bit 256 Bit
    Memory clock speed 1200 MHz
    Memory bandwidth 153.6 GB/s 160.0 GB/s
    Shared memory - -
    Shader Model 5.1 6.3
    OpenGL 4.4 4.4
    OpenCL Not Listed Not Listed
    Vulkan +
    FreeSync + +
    Bus support PCIe 3.0 x16 PCIe 3.0
    Bitcoin / BTC (SHA256) 300 Mh/s
    Laptop size large large
    Eyefinity + +
    HD3D + +
    PowerTune + +
    DualGraphics + +
    ZeroCore + +
    Switchable graphics + +
    Mantle + +
    Compute units 20
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