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    GeForce GT 755M vs Radeon HD 7990

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 755M and Radeon HD 7990. 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 GT 755M and Radeon HD 7990. 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 GT 755M Check Price
    Radeon HD 7990 Check Price

    GeForce GT 755M is a Laptop Graphics Card

    Note: GeForce GT 755M 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 GT 755M here:

    GeForce GT 755M Laptops

    Main Specs

      GeForce GT 755M Radeon HD 7990
    Power consumption (TDP) 50 Watt 375 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors 2x 8-pin
    Memory type GDDR5 GDDR5
    Maximum RAM amount 4 GB 3 GB
    Display Connectors No outputs 1x DVI, 4x mini-DisplayPort
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    • Radeon HD 7990 has 650% more power consumption, than GeForce GT 755M.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • GeForce GT 755M has 1 GB more memory, than Radeon HD 7990.
    • GeForce GT 755M is used in Laptops, and Radeon HD 7990 - in Desktops.
    • GeForce GT 755M is build with Kepler architecture, and Radeon HD 7990 - with GCN 1.0.
    • Core clock speed of GeForce GT 755M is 30 MHz higher, than Radeon HD 7990.
    • GeForce GT 755M and Radeon HD 7990 are manufactured by 28 nm process technology.
    • Memory clock speed of Radeon HD 7990 is 600 MHz higher, than GeForce GT 755M.

    Game benchmarks

    high / 1080p 7−8 35−40
    ultra / 1080p 4−5 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 18−20 60−65
    medium / 1080p 9−10 40−45
    The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 310% more, than GeForce GT 755M.

    Full Specs

      GeForce GT 755M Radeon HD 7990
    Architecture Kepler GCN 1.0
    Code name N14P- Malta
    Type Laptop Desktop
    Release date 25 June 2013 24 April 2013
    Pipelines 384 2048
    Core clock speed 980 MHz 950 MHz
    Boost Clock 1000 MHz
    Transistor count 1,270 million 4,313 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 31.36 128.0
    Floating-point performance 752.6 gflops 2x 4,096 gflops
    Length 307 mm
    Memory bus width 128 Bit 384 Bit
    Memory clock speed 5400 MHz 6000 MHz
    Memory bandwidth 86.4 GB/s 288.0 GB/s
    Shared memory -
    DirectX 12 API 12 (11_1)
    Shader Model 5.1 5.1
    OpenGL 4.5 4.6
    OpenCL 1.1 1.2
    Vulkan 1.1.126 1.2.131
    CUDA +
    Bus support PCI Express 3.0, PCI Express 2.0
    HDMI +
    Bitcoin / BTC (SHA256) 27 Mh/s 459 Mh/s
    Laptop size medium sized
    Standard memory configuration GDDR5
    eDP 1.2 signal support Up to 3840x2160
    LVDS signal support Up to 1920x1200
    DisplayPort Multimode (DP++) support Up to 3840x2160
    HDCP content protection +
    7.1 channel HD audio on HDMI +
    TrueHD and DTS-HD audio bitstreaming +
    H.264, VC1, MPEG2 1080p video decoder +
    Optimus +
    Ethereum / ETH (DaggerHashimoto) 44 Mh/s
    Blu-Ray 3D Support +
    3D Vision / 3DTV Play +
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