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    GeForce 940MX vs Radeon R9 280

    When comparing GeForce 940MX and Radeon R9 280, 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 940MX and Radeon R9 280 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce 940MX Check Price
    Radeon R9 280 Check Price

    GeForce 940MX is a Laptop Graphics Card

    Note: GeForce 940MX is only used in laptop graphics. It has 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 940MX here:

    GeForce 940MX Laptops

    Main Specs

      GeForce 940MX Radeon R9 280
    Power consumption (TDP) 23 Watt 200 Watt
    Interface PCIe 3.0 x8 PCIe 3.0 x16
    Supplementary power connectors None 1 x 6-pin + 1 x 8-pin
    Memory type DDR3, GDDR5 GDDR5
    Maximum RAM amount 4 GB 3 GB
    Display Connectors No outputs 2x DVI, 1x HDMI, 2x mini-DisplayPort
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    • Radeon R9 280 has 769% more power consumption, than GeForce 940MX.
    • GeForce 940MX is connected by PCIe 3.0 x8, and Radeon R9 280 uses PCIe 3.0 x16 interface.
    • GeForce 940MX has 1 GB more memory, than Radeon R9 280.
    • GeForce 940MX is used in Laptops, and Radeon R9 280 - in Desktops.
    • GeForce 940MX is build with Maxwell architecture, and Radeon R9 280 - with GCN 1.0.
    • GeForce 940MX and Radeon R9 280 are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce 940MX is 2750 MHz higher, than Radeon R9 280.

    Game benchmarks

    high / 1080p 7−8 35−40
    ultra / 1080p 4−5 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 16−18 60−65
    medium / 1080p 8−9 40−45
    The average gaming FPS of Radeon R9 280 in Assassin's Creed Odyssey is 355% more, than GeForce 940MX.

    Full Specs

      GeForce 940MX Radeon R9 280
    Architecture Maxwell GCN 1.0
    Code name N16S-GTR-B/S Tahiti
    Type Laptop Desktop
    Release date 10 March 2016 4 March 2014
    Pipelines 384 1792
    Core clock speed 1122 MHz
    Boost Clock 1242 MHz 933 MHz
    Transistor count 1,870 million 4,313 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 23.83 104.5
    Floating-point performance 762.6 gflops 3,344 gflops
    Length 275 mm
    Memory bus width 64 Bit 384 Bit
    Memory clock speed 4000 MHz 1250 MHz
    Memory bandwidth 40.1 GB/s 240 GB/s
    Shared memory -
    DirectX 12 (11_0)
    Shader Model 5.1 5.1
    OpenGL 4.5 4.6
    OpenCL 1.2 1.2
    Vulkan 1.1 +
    CUDA +
    FreeSync +
    Bus support PCI Express 3.0 PCIe 3.0
    HDMI +
    Bitcoin / BTC (SHA256) 102 Mh/s 408 Mh/s
    Laptop size medium sized
    Optimus +
    Eyefinity +
    HD3D +
    TrueAudio +
    Design reference
    CrossFire +
    DDMA audio +
    Ethereum / ETH (DaggerHashimoto) 21.5 Mh/s
    GPU Boost 2.0
    GameWorks +
    LiquidVR +
    TressFX +
    UVD +
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