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    GeForce MX450 vs Radeon R9 M390X

    In this comparison between GeForce MX450 and Radeon R9 M390X you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce MX450 will be the best choice, for others Radeon R9 M390X will be their preference. Study the comparison tables below and make your choice.
    GeForce MX450 Check Price
    Radeon R9 M390X Check Price

    GeForce MX450 and Radeon R9 M390X are Laptop Graphics Cards

    Note: GeForce MX450 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 MX450 or Radeon R9 M390X here:

    GeForce MX450 Laptops
    Radeon R9 M390X Laptops

    Main Specs

      GeForce MX450 Radeon R9 M390X
    Power consumption (TDP) 50 Watt 100 Watt
    Interface PCIe 4.0 x4 PCIe 3.0 x16
    Supplementary power connectors None None
    Memory type GDDR5,GDDR6 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
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    • Radeon R9 M390X has 100% more power consumption, than GeForce MX450.
    • GeForce MX450 is connected by PCIe 4.0 x4, and Radeon R9 M390X uses PCIe 3.0 x16 interface.
    • Radeon R9 M390X has 2 GB more memory, than GeForce MX450.
    • Both cards are used in Laptops.
    • GeForce MX450 is build with Turing architecture, and Radeon R9 M390X - with GCN 3.
    • Core clock speed of GeForce MX450 is 672 MHz higher, than Radeon R9 M390X.
    • GeForce MX450 is manufactured by 12 nm process technology, and Radeon R9 M390X - 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 − 5−6
    low / 720p 35−40 40−45
    medium / 1080p 21−24 27−30
    The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 27% more, than GeForce MX450.

    Full Specs

      GeForce MX450 Radeon R9 M390X
    Architecture Turing GCN 3
    Code name N17S-G5 / GP107-670-A1 Amethyst (XT) / Tonga
    Type Laptop Laptop
    Release date 1 August 2020 9 June 2015
    Pipelines 896 2048
    Core clock speed 1395 MHz 723 MHz
    Boost Clock 1575 MHz
    Transistor count 4,700 million 5,000 million
    Manufacturing process technology 12 nm 28 nm
    Texture fill rate 100.8 92.54
    Floating-point performance 2,961 gflops
    Memory bus width 64 Bit 256 Bit
    Memory clock speed 10002 MHz
    Memory bandwidth 64.03 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 +
    CUDA 7.5
    FreeSync +
    Bus support PCIe 3.0
    Laptop size large
    Optimus +
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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