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    Radeon HD 4890 vs Radeon R7 M270

    Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 4890 and Radeon R7 M270. 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 4890 and Radeon R7 M270. 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 4890 Check Price
    Radeon R7 M270 Check Price

    Radeon R7 M270 is a Laptop Graphics Card

    Note: Radeon R7 M270 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 M270 here:

    Radeon R7 M270 Laptops

    Main Specs

      Radeon HD 4890 Radeon R7 M270
    Power consumption (TDP) 190 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x8
    Supplementary power connectors 2x 6-pin
    Memory type GDDR5 Not Listed
    Maximum RAM amount 1 GB
    Display Connectors 2x DVI, 1x S-Video No outputs
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    • Radeon HD 4890 is connected by PCIe 2.0 x16, and Radeon R7 M270 uses PCIe 3.0 x8 interface.
    • Radeon HD 4890 is used in Desktops, and Radeon R7 M270 - in Laptops.
    • Radeon HD 4890 is build with TeraScale architecture, and Radeon R7 M270 - with GCN.
    • Core clock speed of Radeon HD 4890 is 25 MHz higher, than Radeon R7 M270.
    • Radeon HD 4890 is manufactured by 55 nm process technology, and Radeon R7 M270 - by 28 nm process technology.

    Game benchmarks

    high / 1080p 7−8 0−1
    ultra / 1080p 4−5 −
    QHD / 1440p 0−1 0−1
    low / 720p 16−18 1−2
    medium / 1080p 8−9 0−1
    The average gaming FPS of Radeon HD 4890 in Assassin's Creed Odyssey is 1600% more, than Radeon R7 M270.

    Full Specs

      Radeon HD 4890 Radeon R7 M270
    Architecture TeraScale GCN
    Code name RV790 Opal XT / Mars
    Type Desktop Laptop
    Release date 2 April 2009 7 January 2014
    Pipelines 800 384
    Core clock speed 850 MHz 825 MHz
    Transistor count 959 million 950 million
    Manufacturing process technology 55 nm 28 nm
    Texture fill rate 34.00 19.80
    Floating-point performance 1,360.0 gflops 633.6 gflops
    Length 241 mm
    Memory bus width 256 Bit
    Memory clock speed 3900 MHz
    Memory bandwidth 124.8 GB/s 28.8 GB/s
    Shared memory -
    DirectX 10.1 (10_1)
    Shader Model 4.1 5.1
    OpenGL 3.3 4.4
    OpenCL 1.1 Not Listed
    Vulkan N/A
    FreeSync +
    Bus support PCIe 3.0
    Laptop size medium sized
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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