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    Radeon HD 7970 vs Radeon R7 M340

    Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 7970 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 7970 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 7970 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 7970 Radeon R7 M340
    Power consumption (TDP) 300 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x8
    Supplementary power connectors 1x 6-pin + 1x 8-pin None
    Memory type GDDR5 DDR3
    Maximum RAM amount 3 GB 4 GB
    Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort No outputs
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    • Radeon HD 7970 is connected by PCIe 3.0 x16, and Radeon R7 M340 uses PCIe 3.0 x8 interface.
    • Radeon R7 M340 has 1 GB more memory, than Radeon HD 7970.
    • Radeon HD 7970 is used in Desktops, and Radeon R7 M340 - in Laptops.
    • Radeon HD 7970 and Radeon R7 M340 are build with GCN architecture.
    • Radeon HD 7970 and Radeon R7 M340 are manufactured by 28 nm process technology.
    • Memory clock speed of Radeon HD 7970 is 375 MHz higher, than Radeon R7 M340.

    Game benchmarks

    high / 1080p 35−40 0−1
    ultra / 1080p 21−24 −
    QHD / 1440p 16−18 0−1
    4K / 2160p 10−11 −
    low / 720p 60−65 1−2
    medium / 1080p 40−45 0−1
    The average gaming FPS of Radeon HD 7970 in Assassin's Creed Odyssey is 6100% more, than Radeon R7 M340.

    Full Specs

      Radeon HD 7970 Radeon R7 M340
    Architecture GCN GCN
    Code name Tahiti XT Meso Pro DDR3
    Type Desktop Laptop
    Release date 22 December 2011 16 June 2015
    Pipelines 2048 320
    Core clock speed 1021 MHz
    Boost Clock 925 MHz 1021 MHz
    Transistor count 4,313 million 950 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 118.4 17.16
    Floating-point performance 3,789 gflops 549.1 gflops
    Length 274 mm
    Memory bus width 384 Bit 128 Bit
    Memory clock speed 1375 MHz 1000 MHz
    Memory bandwidth 264 GB/s 16 GB/s
    Shared memory - -
    Shader Model 5.1 5.1
    OpenGL 4.6 4.4
    OpenCL 1.2 Not Listed
    Vulkan +
    FreeSync + +
    Bus support PCIe 2.1 x16 PCIe 3.0
    HDMI +
    Bitcoin / BTC (SHA256) 485 Mh/s 74 Mh/s
    Eyefinity + +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Design reference
    CrossFire +
    Ethereum / ETH (DaggerHashimoto) 20.71 Mh/s
    Compute units 6
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