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    GeForce GTX 860M SLI vs Radeon RX 640

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 860M SLI and Radeon RX 640. 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 GeForce GTX 860M SLI and Radeon RX 640. 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.
    GeForce GTX 860M SLI Check Price
    Radeon RX 640 Check Price

    GeForce GTX 860M SLI and Radeon RX 640 are Laptop Graphics Cards

    Note: GeForce GTX 860M SLI and Radeon RX 640 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 860M SLI or Radeon RX 640 here:

    GeForce GTX 860M SLI Laptops
    Radeon RX 640 Laptops

    Main Specs

      GeForce GTX 860M SLI Radeon RX 640
    Power consumption (TDP) 120 Watt 50 Watt
    Interface PCIe 3.0 x8
    Supplementary power connectors None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 2x 4 GB 4 GB
    Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort
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    • GeForce GTX 860M SLI has 140% more power consumption, than Radeon RX 640.
    • Radeon RX 640 has 2 GB more memory, than GeForce GTX 860M SLI.
    • Both cards are used in Laptops.
    • GeForce GTX 860M SLI is build with Maxwell architecture, and Radeon RX 640 - with Polaris.
    • Core clock speed of Radeon RX 640 is 189 MHz higher, than GeForce GTX 860M SLI.
    • GeForce GTX 860M SLI is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
    • Memory clock speed of Radeon RX 640 is 1000 MHz higher, than GeForce GTX 860M SLI.

    Game benchmarks

    high / 1080p 21−24 5−6
    ultra / 1080p 14−16 3−4
    QHD / 1440p 8−9 2−3
    4K / 2160p 5−6 −
    low / 720p 40−45 16−18
    medium / 1080p 27−30 7−8
    The average gaming FPS of GeForce GTX 860M SLI in Assassin's Creed Odyssey is 228% more, than Radeon RX 640.

    Full Specs

      GeForce GTX 860M SLI Radeon RX 640
    Architecture Maxwell Polaris
    Code name Polaris 12
    Type Laptop Laptop
    Release date 12 March 2014 12 August 2019
    Pipelines 1280 640
    Core clock speed 1029 MHz 1218 MHz
    Boost Clock 1218 MHz
    Transistor count 2x 1870 Million 2,200 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 38.98
    Memory bus width 2x 128 Bit 64 Bit
    Memory clock speed 5000 MHz 6000 MHz
    Memory bandwidth 112.0 GB/s
    Shared memory - -
    DirectX DirectX 12 (FL 11_0), Shader 5.0 12 (12_0)
    Shader Model 6.4
    OpenGL 4.6
    OpenCL 2.0
    Vulkan 1.2.131
    CUDA +
    FreeSync +
    SLI options +
    Laptop size large large
    Optimus +
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