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    GeForce GTX 1660 Ti mobile vs Radeon R9 M390X

    When choosing between GeForce GTX 1660 Ti mobile and Radeon R9 M390X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GTX 1660 Ti mobile and Radeon R9 M390X.
    GeForce GTX 1660 Ti mobile Check Price
    Radeon R9 M390X Check Price

    GeForce GTX 1660 Ti mobile and Radeon R9 M390X are Laptop Graphics Cards

    Note: GeForce GTX 1660 Ti mobile 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 GTX 1660 Ti mobile or Radeon R9 M390X here:

    GeForce GTX 1660 Ti mobile Laptops
    Radeon R9 M390X Laptops

    Main Specs

      GeForce GTX 1660 Ti mobile Radeon R9 M390X
    Power consumption (TDP) 100 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors None
    Memory type GDDR6 GDDR5
    Maximum RAM amount 6 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.
    • GeForce GTX 1660 Ti mobile has 2 GB more memory, than Radeon R9 M390X.
    • Both cards are used in Laptops.
    • GeForce GTX 1660 Ti mobile is build with Turing architecture, and Radeon R9 M390X - with GCN 3.
    • Core clock speed of GeForce GTX 1660 Ti mobile is 732 MHz higher, than Radeon R9 M390X.
    • GeForce GTX 1660 Ti mobile is manufactured by 12 nm process technology, and Radeon R9 M390X - by 28 nm process technology.

    Game benchmarks

    high / 1080p 50−55 21−24
    ultra / 1080p 35−40 12−14
    QHD / 1440p 27−30 8−9
    4K / 2160p 16−18 5−6
    low / 720p 80−85 40−45
    medium / 1080p 60−65 27−30
    The average gaming FPS of GeForce GTX 1660 Ti mobile in Assassin's Creed Odyssey is 130% more, than Radeon R9 M390X.

    Full Specs

      GeForce GTX 1660 Ti mobile Radeon R9 M390X
    Architecture Turing GCN 3
    Code name N18E-G0 Amethyst (XT) / Tonga
    Type Laptop Laptop
    Release date 23 April 2019 9 June 2015
    Pipelines 1536 2048
    Core clock speed 1455 MHz 723 MHz
    Boost Clock 1590 MHz
    Transistor count 6,600 million 5,000 million
    Manufacturing process technology 12 nm 28 nm
    Texture fill rate 152.6 92.54
    Floating-point performance 2,961 gflops
    Memory bus width 192 Bit 256 Bit
    Memory clock speed 12000 MHz
    Memory bandwidth 288.0 GB/s 160.0 GB/s
    Shared memory - -
    DirectX 12 (12_1)
    Shader Model 6.5 6.3
    OpenGL 4.6 4.4
    OpenCL 1.2 Not Listed
    Vulkan 1.2.131 +
    CUDA 7.5
    FreeSync +
    Bus support PCIe 3.0
    Laptop size medium sized large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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