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    Qualcomm Adreno 680 vs Radeon R7 M340

    Find out if it is worth upgrading your current GPU setup by comparing Qualcomm Adreno 680 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 Qualcomm Adreno 680 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.
    Qualcomm Adreno 680 Check Price
    Radeon R7 M340 Check Price

    Qualcomm Adreno 680 and Radeon R7 M340 are Laptop Graphics Cards

    Note: Qualcomm Adreno 680 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 Qualcomm Adreno 680 or Radeon R7 M340 here:

    Qualcomm Adreno 680 Laptops
    Radeon R7 M340 Laptops

    Main Specs

      Qualcomm Adreno 680 Radeon R7 M340
    Interface PCIe 3.0 x8
    Supplementary power connectors None
    Memory type DDR3
    Maximum RAM amount 4 GB
    Display Connectors No outputs
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    • Both cards are used in Laptops.
    • Qualcomm Adreno 680 is manufactured by 7 nm process technology, and Radeon R7 M340 - by 28 nm process technology.

    Game benchmarks

    high / 1080p 0−1 0−1
    QHD / 1440p 0−1 0−1
    low / 720p 1−2 1−2
    medium / 1080p 0−1 0−1
    Qualcomm Adreno 680 and Radeon R7 M340 have the same average FPS in Assassin's Creed Odyssey.

    Full Specs

      Qualcomm Adreno 680 Radeon R7 M340
    Architecture GCN
    Code name Meso Pro DDR3
    Type Laptop Laptop
    Release date 6 December 2018 16 June 2015
    Pipelines 320
    Core clock speed 1021 MHz
    Boost Clock 1021 MHz
    Transistor count 950 million
    Manufacturing process technology 7 nm 28 nm
    Texture fill rate 17.16
    Floating-point performance 549.1 gflops
    Memory bus width 128 Bit
    Memory clock speed 1000 MHz
    Memory bandwidth 16 GB/s
    Shared memory + -
    DirectX DirectX 12
    Shader Model 5.1
    OpenGL 4.4
    OpenCL Not Listed
    Vulkan +
    FreeSync +
    Bus support PCIe 3.0
    Bitcoin / BTC (SHA256) 74 Mh/s
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Compute units 6
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