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    Radeon HD 4770 vs Radeon R9 M385X

    If you are going to buy a new graphics card and are choosing between Radeon HD 4770 and Radeon R9 M385X, 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 4770 stacks up against Radeon R9 M385X, check out specs charts below.
    Radeon HD 4770
    Radeon R9 M385X Check Price

    Radeon R9 M385X is a Laptop Graphics Card

    Note: Radeon R9 M385X 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 R9 M385X here:

    Radeon R9 M385X Laptops

    Main Specs

      Radeon HD 4770 Radeon R9 M385X
    Power consumption (TDP) 80 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x16
    Supplementary power connectors 1x 6-pin
    Memory type GDDR5 GDDR5
    Maximum RAM amount 512 MB 4 GB
    Display Connectors 2x DVI, 1x S-Video No outputs
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    • Radeon HD 4770 is connected by PCIe 2.0 x16, and Radeon R9 M385X uses PCIe 3.0 x16 interface.
    • Radeon HD 4770 has 508 GB more memory, than Radeon R9 M385X.
    • Radeon HD 4770 is used in Desktops, and Radeon R9 M385X - in Laptops.
    • Radeon HD 4770 is build with TeraScale architecture, and Radeon R9 M385X - with GCN.
    • Core clock speed of Radeon R9 M385X is 350 MHz higher, than Radeon HD 4770.
    • Radeon HD 4770 is manufactured by 40 nm process technology, and Radeon R9 M385X - by 28 nm process technology.
    • Memory clock speed of Radeon HD 4770 is 1700 MHz higher, than Radeon R9 M385X.

    Game benchmarks

    high / 1080p 1−2 8−9
    ultra / 1080p 0−1 5−6
    QHD / 1440p 0−1 0−1
    low / 720p 10−12 18−20
    medium / 1080p 2−3 10−11
    The average gaming FPS of Radeon R9 M385X in Assassin's Creed Odyssey is 140% more, than Radeon HD 4770.

    Full Specs

      Radeon HD 4770 Radeon R9 M385X
    Architecture TeraScale GCN
    Code name RV740 Strato-XT-M3
    Type Desktop Laptop
    Release date 28 April 2009 16 June 2015
    Pipelines 640 896
    Core clock speed 750 MHz 1100 MHz
    Boost Clock 1100 MHz
    Transistor count 826 million 2,080 million
    Manufacturing process technology 40 nm 28 nm
    Texture fill rate 24.00 61.60
    Floating-point performance 960.0 gflops 1,971 gflops
    Length 203 mm
    Memory bus width 128 Bit 128 Bit
    Memory clock speed 3200 MHz 1500 MHz
    Memory bandwidth 51.2 GB/s 76.8 GB/s
    Shared memory -
    DirectX 10.1 (10_1)
    Shader Model 4.1 6.3
    OpenGL 3.3 4.4
    OpenCL 1.1 Not Listed
    Vulkan N/A
    FreeSync +
    Bus support PCIe 3.0
    Laptop size large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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