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    GeForce 845M vs Radeon HD 4770

    Find out if it is worth upgrading your current GPU setup by comparing GeForce 845M and Radeon HD 4770. 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 GeForce 845M and Radeon HD 4770. 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.
    GeForce 845M Check Price
    Radeon HD 4770

    GeForce 845M is a Laptop Graphics Card

    Note: GeForce 845M 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 GeForce 845M here:

    GeForce 845M Laptops

    Main Specs

      GeForce 845M Radeon HD 4770
    Power consumption (TDP) 45 Watt 80 Watt
    Interface PCIe 3.0 x8 PCIe 2.0 x16
    Supplementary power connectors 1x 6-pin
    Memory type DDR3, GDDR5 GDDR5
    Maximum RAM amount 2 GB 512 MB
    Display Connectors No outputs 2x DVI, 1x S-Video
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    • Radeon HD 4770 has 77% more power consumption, than GeForce 845M.
    • GeForce 845M is connected by PCIe 3.0 x8, and Radeon HD 4770 uses PCIe 2.0 x16 interface.
    • Radeon HD 4770 has 510 GB more memory, than GeForce 845M.
    • GeForce 845M is used in Laptops, and Radeon HD 4770 - in Desktops.
    • GeForce 845M is build with Maxwell architecture, and Radeon HD 4770 - with TeraScale.
    • Core clock speed of GeForce 845M is 321 MHz higher, than Radeon HD 4770.
    • GeForce 845M is manufactured by 28 nm process technology, and Radeon HD 4770 - by 40 nm process technology.
    • Memory clock speed of Radeon HD 4770 is 1200 MHz higher, than GeForce 845M.

    Game benchmarks

    high / 1080p 3−4 1−2
    ultra / 1080p 1−2 0−1
    QHD / 1440p 0−1 0−1
    low / 720p 14−16 10−12
    medium / 1080p 6−7 2−3
    The average gaming FPS of GeForce 845M in Assassin's Creed Odyssey is 60% more, than Radeon HD 4770.

    Full Specs

      GeForce 845M Radeon HD 4770
    Architecture Maxwell TeraScale
    Code name GM108 RV740
    Type Laptop Desktop
    Release date 12 March 2014 28 April 2009
    Pipelines 384 640
    Core clock speed 1071 MHz 750 MHz
    Boost Clock 1150 MHz
    Transistor count 1,870 million 826 million
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 37.63 24.00
    Floating-point performance 883.7 gflops 960.0 gflops
    Length 203 mm
    Memory bus width 64/128 Bit 128 Bit
    Memory clock speed 2000 - 5000 MHz 3200 MHz
    Memory bandwidth 40.1 GB/s 51.2 GB/s
    Shared memory -
    DirectX 12 (11_0) 10.1 (10_1)
    Shader Model 5.1 4.1
    OpenGL 4.6 3.3
    OpenCL 1.2 1.1
    Vulkan 1.1.126 N/A
    CUDA +
    Bitcoin / BTC (SHA256) 76 Mh/s
    Laptop size medium sized
    Optimus +
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