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    Radeon R7 M340 vs Radeon R9 M485X

    Find out if it is worth upgrading your current GPU setup by comparing Radeon R7 M340 and Radeon R9 M485X. 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 R7 M340 and Radeon R9 M485X. 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 R7 M340 Check Price
    Radeon R9 M485X Check Price

    Radeon R7 M340 and Radeon R9 M485X are Laptop Graphics Cards

    Note: Radeon R7 M340 and Radeon R9 M485X 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 R7 M340 or Radeon R9 M485X here:

    Radeon R7 M340 Laptops
    Radeon R9 M485X Laptops

    Main Specs

      Radeon R7 M340 Radeon R9 M485X
    Power consumption (TDP) 250 Watt
    Interface PCIe 3.0 x8 MXM-B (3.0)
    Supplementary power connectors None None
    Memory type DDR3 GDDR5
    Maximum RAM amount 4 GB 8 GB MB
    Display Connectors No outputs No outputs
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    • Radeon R7 M340 is connected by PCIe 3.0 x8, and Radeon R9 M485X uses MXM-B (3.0) interface.
    • Radeon R9 M485X has 4 GB more memory, than Radeon R7 M340.
    • Both cards are used in Laptops.
    • Radeon R7 M340 is build with GCN architecture, and Radeon R9 M485X - with GCN 3.
    • Core clock speed of Radeon R7 M340 is 298 MHz higher, than Radeon R9 M485X.
    • Radeon R7 M340 and Radeon R9 M485X are manufactured by 28 nm process technology.
    • Memory clock speed of Radeon R9 M485X is 4000 MHz higher, than Radeon R7 M340.

    Game benchmarks

    high / 1080p 0−1 24−27
    ultra / 1080p − 14−16
    QHD / 1440p 0−1 10−11
    4K / 2160p − 6−7
    low / 720p 1−2 45−50
    medium / 1080p 0−1 30−35
    The average gaming FPS of Radeon R9 M485X in Assassin's Creed Odyssey is 4600% more, than Radeon R7 M340.

    Full Specs

      Radeon R7 M340 Radeon R9 M485X
    Architecture GCN GCN 3
    Code name Meso Pro DDR3 Amethyst
    Type Laptop Laptop
    Release date 16 June 2015 14 May 2016
    Pipelines 320 2048
    Core clock speed 1021 MHz 723 MHz
    Boost Clock 1021 MHz
    Transistor count 950 million 5,000 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 17.16 92.54
    Floating-point performance 549.1 gflops 2,961 gflops
    Memory bus width 128 Bit 256 Bit
    Memory clock speed 1000 MHz 5000 MHz
    Memory bandwidth 16 GB/s 160.0 GB/s
    Shared memory - -
    DirectX 12 (12_0)
    Shader Model 5.1 6.3
    OpenGL 4.4 4.6
    OpenCL Not Listed 2.0
    Vulkan + 1.2.131
    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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