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    GeForce GT 755M vs Radeon R9 M390X

    When comparing GeForce GT 755M 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 GeForce GT 755M and Radeon R9 M390X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce GT 755M Check Price
    Radeon R9 M390X Check Price

    GeForce GT 755M and Radeon R9 M390X are Laptop Graphics Cards

    Note: GeForce GT 755M 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 GeForce GT 755M or Radeon R9 M390X here:

    GeForce GT 755M Laptops
    Radeon R9 M390X Laptops

    Main Specs

      GeForce GT 755M Radeon R9 M390X
    Power consumption (TDP) 50 Watt 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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    • Radeon R9 M390X has 100% more power consumption, than GeForce GT 755M.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • GeForce GT 755M and Radeon R9 M390X have maximum RAM of 4 GB.
    • Both cards are used in Laptops.
    • GeForce GT 755M is build with Kepler architecture, and Radeon R9 M390X - with GCN 3.
    • Core clock speed of GeForce GT 755M is 257 MHz higher, than Radeon R9 M390X.
    • GeForce GT 755M and Radeon R9 M390X are manufactured by 28 nm process technology.

    Game benchmarks

    high / 1080p 7−8 21−24
    ultra / 1080p 4−5 12−14
    QHD / 1440p 0−1 8−9
    4K / 2160p − 5−6
    low / 720p 18−20 40−45
    medium / 1080p 9−10 27−30
    The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 160% more, than GeForce GT 755M.

    Full Specs

      GeForce GT 755M Radeon R9 M390X
    Architecture Kepler GCN 3
    Code name N14P- Amethyst (XT) / Tonga
    Type Laptop Laptop
    Release date 25 June 2013 9 June 2015
    Pipelines 384 2048
    Core clock speed 980 MHz 723 MHz
    Transistor count 1,270 million 5,000 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 31.36 92.54
    Floating-point performance 752.6 gflops 2,961 gflops
    Memory bus width 128 Bit 256 Bit
    Memory clock speed 5400 MHz
    Memory bandwidth 86.4 GB/s 160.0 GB/s
    Shared memory - -
    DirectX 12 API
    Shader Model 5.1 6.3
    OpenGL 4.5 4.4
    OpenCL 1.1 Not Listed
    Vulkan 1.1.126 +
    CUDA +
    FreeSync +
    Bus support PCI Express 3.0, PCI Express 2.0 PCIe 3.0
    HDMI +
    Bitcoin / BTC (SHA256) 27 Mh/s
    Laptop size medium sized large
    Standard memory configuration GDDR5
    eDP 1.2 signal support Up to 3840x2160
    LVDS signal support Up to 1920x1200
    DisplayPort Multimode (DP++) support Up to 3840x2160
    HDCP content protection +
    7.1 channel HD audio on HDMI +
    TrueHD and DTS-HD audio bitstreaming +
    H.264, VC1, MPEG2 1080p video decoder +
    Optimus +
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Blu-Ray 3D Support +
    3D Vision / 3DTV Play +
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