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    Radeon HD 6850 vs Radeon R7 M340

    If you are going to buy a new graphics card and are choosing between Radeon HD 6850 and Radeon R7 M340, 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 HD 6850 stacks up against Radeon R7 M340, check out specs charts below.
    Radeon HD 6850 Check Price
    Radeon R7 M340 Check Price

    Radeon R7 M340 is a Laptop Graphics Card

    Note: Radeon R7 M340 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 Radeon R7 M340 here:

    Radeon R7 M340 Laptops

    Main Specs

      Radeon HD 6850 Radeon R7 M340
    Power consumption (TDP) 127 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x8
    Supplementary power connectors 1x 6-pin None
    Memory type GDDR5 DDR3
    Maximum RAM amount 1 GB 4 GB
    Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort No outputs
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    • Radeon HD 6850 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 6850.
    • Radeon HD 6850 is used in Desktops, and Radeon R7 M340 - in Laptops.
    • Radeon HD 6850 is build with TeraScale 2 architecture, and Radeon R7 M340 - with GCN.
    • Radeon HD 6850 is manufactured by 40 nm process technology, and Radeon R7 M340 - by 28 nm process technology.

    Game benchmarks

    high / 1080p 9−10 0−1
    ultra / 1080p 5−6 −
    QHD / 1440p 0−1 0−1
    low / 720p 21−24 1−2
    medium / 1080p 12−14 0−1
    The average gaming FPS of Radeon HD 6850 in Assassin's Creed Odyssey is 2100% more, than Radeon R7 M340.

    Full Specs

      Radeon HD 6850 Radeon R7 M340
    Architecture TeraScale 2 GCN
    Code name Barts Meso Pro DDR3
    Type Desktop Laptop
    Release date 21 October 2010 16 June 2015
    Pipelines 960 320
    Core clock speed 1021 MHz
    Boost Clock 1021 MHz
    Transistor count 1,700 million 950 million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 37.20 17.16
    Floating-point performance 1,488.0 gflops 549.1 gflops
    Length 198 mm
    Memory bus width 256 Bit 128 Bit
    Memory clock speed 1000 MHz
    Memory bandwidth 128.0 GB/s 16 GB/s
    Shared memory -
    Shader Model 5.0 5.1
    OpenGL 4.4 4.4
    OpenCL 1.2 Not Listed
    Vulkan +
    FreeSync +
    Bus support AGP PCIe 3.0
    Bitcoin / BTC (SHA256) 139 Mh/s 74 Mh/s
    Eyefinity + +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Design reference
    CrossFire +
    Compute units 6
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