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    Radeon R9 M395 vs Radeon RX 640

    If you are going to buy a new graphics card and are choosing between Radeon R9 M395 and Radeon RX 640, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon R9 M395 stacks up against Radeon RX 640, check out specs charts below.
    Radeon R9 M395 Check Price
    Radeon RX 640 Check Price

    Radeon R9 M395 and Radeon RX 640 are Laptop Graphics Cards

    Note: Radeon R9 M395 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 Radeon R9 M395 or Radeon RX 640 here:

    Radeon R9 M395 Laptops
    Radeon RX 640 Laptops

    Main Specs

      Radeon R9 M395 Radeon RX 640
    Power consumption (TDP) 50 Watt
    Interface PCIe 3.0 x8
    Supplementary power connectors None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 4 GB 4 GB
    Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort
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    • Radeon R9 M395 and Radeon RX 640 have maximum RAM of 4 GB.
    • Both cards are used in Laptops.
    • Radeon R9 M395 is build with GCN architecture, and Radeon RX 640 - with Polaris.
    • Core clock speed of Radeon RX 640 is 384 MHz higher, than Radeon R9 M395.
    • Radeon R9 M395 is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
    • Memory clock speed of Radeon RX 640 is 4750 MHz higher, than Radeon R9 M395.

    Game benchmarks

    high / 1080p 35−40 5−6
    ultra / 1080p 21−24 3−4
    QHD / 1440p 16−18 2−3
    4K / 2160p 10−11 −
    low / 720p 60−65 16−18
    medium / 1080p 40−45 7−8
    The average gaming FPS of Radeon R9 M395 in Assassin's Creed Odyssey is 414% more, than Radeon RX 640.

    Full Specs

      Radeon R9 M395 Radeon RX 640
    Architecture GCN Polaris
    Code name Polaris 12
    Type Laptop Laptop
    Release date 9 June 2015 12 August 2019
    Pipelines 1792 640
    Core clock speed 834 MHz 1218 MHz
    Boost Clock 1218 MHz
    Transistor count 5000 Million 2,200 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 38.98
    Memory bus width 256 Bit 64 Bit
    Memory clock speed 1250 MHz 6000 MHz
    Memory bandwidth 112.0 GB/s
    Shared memory - -
    DirectX 12 (12_0)
    Shader Model 6.4
    OpenGL 4.4 4.6
    OpenCL Not Listed 2.0
    Vulkan + 1.2.131
    FreeSync + +
    Bus support PCIe 3.0
    Bitcoin / BTC (SHA256) 336 Mh/s
    Laptop size large large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    TrueAudio +
    ZeroCore +
    Switchable graphics +
    Mantle +
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