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    Radeon HD 6850M vs Radeon R7 M340

    Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6850M and Radeon R7 M340. 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 Radeon HD 6850M and Radeon R7 M340. 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.
    Radeon HD 6850M Check Price
    Radeon R7 M340 Check Price

    Radeon HD 6850M and Radeon R7 M340 are Laptop Graphics Cards

    Note: Radeon HD 6850M and Radeon R7 M340 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 HD 6850M or Radeon R7 M340 here:

    Radeon HD 6850M Laptops
    Radeon R7 M340 Laptops

    Main Specs

      Radeon HD 6850M Radeon R7 M340
    Power consumption (TDP) 50 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x8
    Supplementary power connectors None
    Memory type DDR3, GDDR5 DDR3
    Maximum RAM amount 1 GB 4 GB
    Display Connectors No outputs No outputs
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    • Radeon HD 6850M is connected by PCIe 2.0 x16, and Radeon R7 M340 uses PCIe 3.0 x8 interface.
    • Radeon R7 M340 has 3 GB more memory, than Radeon HD 6850M.
    • Both cards are used in Laptops.
    • Radeon HD 6850M is build with Terascale 2 architecture, and Radeon R7 M340 - with GCN.
    • Core clock speed of Radeon R7 M340 is 446 MHz higher, than Radeon HD 6850M.
    • Radeon HD 6850M is manufactured by 40 nm process technology, and Radeon R7 M340 - by 28 nm process technology.
    • Memory clock speed of Radeon R7 M340 is 200 MHz higher, than Radeon HD 6850M.

    Game benchmarks

    high / 1080p 2−3 0−1
    ultra / 1080p 0−1 −
    QHD / 1440p 0−1 0−1
    low / 720p 12−14 1−2
    medium / 1080p 3−4 0−1
    The average gaming FPS of Radeon HD 6850M in Assassin's Creed Odyssey is 1200% more, than Radeon R7 M340.

    Full Specs

      Radeon HD 6850M Radeon R7 M340
    Architecture Terascale 2 GCN
    Code name Granville Pro/LP Meso Pro DDR3
    Type Laptop Laptop
    Release date 6 January 2011 16 June 2015
    Pipelines 800 320
    Core clock speed 575 / 675 MHz 1021 MHz
    Boost Clock 1021 MHz
    Transistor count 1,040 million 950 million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 27.00 17.16
    Floating-point performance 1,080.0 gflops 549.1 gflops
    Memory bus width 128 Bit 128 Bit
    Memory clock speed 800 MHz 1000 MHz
    Memory bandwidth 25.6 GB/s 16 GB/s
    Shared memory - -
    DirectX 11.2 (11_0)
    Shader Model 5.0 5.1
    OpenGL 4.4 4.4
    OpenCL 1.2 Not Listed
    Vulkan N/A +
    FreeSync +
    Bus support PCIe 3.0
    Bitcoin / BTC (SHA256) 74 Mh/s
    Laptop size large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Compute units 6
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