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    Radeon HD 7770M vs Radeon R7 M270

    If you are going to buy a new graphics card and are choosing between Radeon HD 7770M and Radeon R7 M270, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 7770M stacks up against Radeon R7 M270, check out specs charts below.
    Radeon HD 7770M Check Price
    Radeon R7 M270 Check Price

    Radeon HD 7770M and Radeon R7 M270 are Laptop Graphics Cards

    Note: Radeon HD 7770M and Radeon R7 M270 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 HD 7770M or Radeon R7 M270 here:

    Radeon HD 7770M Laptops
    Radeon R7 M270 Laptops

    Main Specs

      Radeon HD 7770M Radeon R7 M270
    Power consumption (TDP) 32 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x8
    Memory type GDDR5 Not Listed
    Maximum RAM amount 1 GB
    Display Connectors No outputs No outputs
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    • Radeon HD 7770M is connected by PCIe 2.0 x16, and Radeon R7 M270 uses PCIe 3.0 x8 interface.
    • Both cards are used in Laptops.
    • Radeon HD 7770M and Radeon R7 M270 are build with GCN architecture.
    • Core clock speed of Radeon R7 M270 is 150 MHz higher, than Radeon HD 7770M.
    • Radeon HD 7770M and Radeon R7 M270 are manufactured by 28 nm process technology.

    Game benchmarks

    high / 1080p 9−10 0−1
    ultra / 1080p 5−6 −
    QHD / 1440p 0−1 0−1
    low / 720p 21−24 1−2
    medium / 1080p 10−12 0−1
    The average gaming FPS of Radeon HD 7770M in Assassin's Creed Odyssey is 2100% more, than Radeon R7 M270.

    Full Specs

      Radeon HD 7770M Radeon R7 M270
    Architecture GCN GCN
    Code name Chelsea XT Opal XT / Mars
    Type Laptop Laptop
    Release date 24 April 2012 7 January 2014
    Pipelines 512 384
    Core clock speed 675 MHz 825 MHz
    Transistor count 1,500 million 950 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 21.60 19.80
    Floating-point performance 691.2 gflops 633.6 gflops
    Memory bus width 128 Bit
    Memory clock speed 4000 MHz
    Memory bandwidth 64 GB/s 28.8 GB/s
    Shared memory - -
    DirectX 12 (11_1)
    Shader Model 5.1 5.1
    OpenGL 4.6 4.4
    OpenCL 1.2 Not Listed
    Vulkan 1.2.131
    FreeSync +
    Bus support PCIe 3.0
    Laptop size medium sized medium sized
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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