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    Radeon R7 M340 vs Radeon R9 M290X

    Find out if it is worth upgrading your current GPU setup by comparing Radeon R7 M340 and Radeon R9 M290X. 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 M290X. 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 M290X Check Price

    Radeon R7 M340 and Radeon R9 M290X are Laptop Graphics Cards

    Note: Radeon R7 M340 and Radeon R9 M290X 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 M290X here:

    Radeon R7 M340 Laptops
    Radeon R9 M290X Laptops

    Main Specs

      Radeon R7 M340 Radeon R9 M290X
    Power consumption (TDP) 100 Watt
    Interface PCIe 3.0 x8 PCIe 3.0 x16
    Supplementary power connectors None None
    Memory type DDR3 GDDR5
    Maximum RAM amount 4 GB 4 GB
    Display Connectors No outputs No outputs
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    • Radeon R7 M340 is connected by PCIe 3.0 x8, and Radeon R9 M290X uses PCIe 3.0 x16 interface.
    • Radeon R7 M340 and Radeon R9 M290X have maximum RAM of 4 GB.
    • Both cards are used in Laptops.
    • Radeon R7 M340 and Radeon R9 M290X are build with GCN architecture.
    • Core clock speed of Radeon R7 M340 is 171 MHz higher, than Radeon R9 M290X.
    • Radeon R7 M340 and Radeon R9 M290X are manufactured by 28 nm process technology.
    • Memory clock speed of Radeon R9 M290X is 200 MHz higher, than Radeon R7 M340.

    Game benchmarks

    high / 1080p 0−1 16−18
    ultra / 1080p − 10−11
    QHD / 1440p 0−1 4−5
    4K / 2160p − 4−5
    low / 720p 1−2 30−35
    medium / 1080p 0−1 20−22
    The average gaming FPS of Radeon R9 M290X in Assassin's Creed Odyssey is 3100% more, than Radeon R7 M340.

    Full Specs

      Radeon R7 M340 Radeon R9 M290X
    Architecture GCN GCN
    Code name Meso Pro DDR3 Neptune
    Type Laptop Laptop
    Release date 16 June 2015 7 January 2014
    Pipelines 320 1280
    Core clock speed 1021 MHz 850 MHz
    Boost Clock 1021 MHz 900 MHz
    Transistor count 950 million 2,800 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 17.16 72.00
    Floating-point performance 549.1 gflops 2,304 gflops
    Memory bus width 128 Bit 256 Bit
    Memory clock speed 1000 MHz 1200 MHz
    Memory bandwidth 16 GB/s 153.6 GB/s
    Shared memory - -
    Shader Model 5.1 5.1
    OpenGL 4.4 4.4
    OpenCL Not Listed Not Listed
    Vulkan +
    FreeSync + +
    Bus support PCIe 3.0 PCIe 3.0 x16
    Bitcoin / BTC (SHA256) 74 Mh/s 300 Mh/s
    Laptop size large
    Eyefinity + +
    HD3D + +
    PowerTune + +
    DualGraphics + +
    ZeroCore + +
    Switchable graphics + +
    Mantle + +
    Compute units 6 20
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