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    Radeon HD 5870 vs Radeon R7 M340

    In this comparison between Radeon HD 5870 and Radeon R7 M340 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 5870 will be the best choice, for others Radeon R7 M340 will be their preference. Study the comparison tables below and make your choice.
    Radeon HD 5870 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 5870 Radeon R7 M340
    Power consumption (TDP) 188 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x8
    Supplementary power connectors 2x 6-pin None
    Memory type GDDR5 DDR3
    Maximum RAM amount 1 GB 4 GB
    Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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    • Radeon HD 5870 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 5870.
    • Radeon HD 5870 is used in Desktops, and Radeon R7 M340 - in Laptops.
    • Radeon HD 5870 is build with TeraScale 2 architecture, and Radeon R7 M340 - with GCN.
    • Core clock speed of Radeon R7 M340 is 171 MHz higher, than Radeon HD 5870.
    • Radeon HD 5870 is manufactured by 40 nm process technology, and Radeon R7 M340 - by 28 nm process technology.
    • Memory clock speed of Radeon HD 5870 is 3800 MHz higher, than Radeon R7 M340.

    Game benchmarks

    high / 1080p 10−12 0−1
    ultra / 1080p 6−7 −
    QHD / 1440p 1−2 0−1
    low / 720p 24−27 1−2
    medium / 1080p 14−16 0−1
    The average gaming FPS of Radeon HD 5870 in Assassin's Creed Odyssey is 2400% more, than Radeon R7 M340.

    Full Specs

      Radeon HD 5870 Radeon R7 M340
    Architecture TeraScale 2 GCN
    Code name Cypress Meso Pro DDR3
    Type Desktop Laptop
    Release date 23 September 2009 16 June 2015
    Pipelines 1600 320
    Core clock speed 850 MHz 1021 MHz
    Boost Clock 1021 MHz
    Transistor count 2,154 million 950 million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 68.00 17.16
    Floating-point performance 2,720.0 gflops 549.1 gflops
    Length 282 mm
    Memory bus width 256 Bit 128 Bit
    Memory clock speed 4800 MHz 1000 MHz
    Memory bandwidth 153.6 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
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
    Compute units 6
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