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    GeForce GT 640M vs Radeon R9 380

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M and Radeon R9 380. 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 640M and Radeon R9 380. 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 640M Check Price
    Radeon R9 380 Check Price

    GeForce GT 640M is a Laptop Graphics Card

    Note: GeForce GT 640M 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 640M here:

    GeForce GT 640M Laptops

    Main Specs

      GeForce GT 640M Radeon R9 380
    Power consumption (TDP) 32 Watt 190 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors 2 x 6-pin
    Memory type DDR3\GDDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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    • Radeon R9 380 has 493% more power consumption, than GeForce GT 640M.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • Radeon R9 380 has 2 GB more memory, than GeForce GT 640M.
    • GeForce GT 640M is used in Laptops, and Radeon R9 380 - in Desktops.
    • GeForce GT 640M is build with Kepler architecture, and Radeon R9 380 - with GCN.
    • GeForce GT 640M and Radeon R9 380 are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GT 640M is 830 MHz higher, than Radeon R9 380.

    Game benchmarks

    high / 1080p 0−1 35−40
    ultra / 1080p 0−1 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 10−12 60−65
    medium / 1080p 2−3 40−45
    The average gaming FPS of Radeon R9 380 in Assassin's Creed Odyssey is 766% more, than GeForce GT 640M.

    Full Specs

      GeForce GT 640M Radeon R9 380
    Architecture Kepler GCN
    Code name N13P-GS Tonga Pro
    Type Laptop Desktop
    Release date 22 March 2012 26 June 2015
    Pipelines 384 1792
    Boost Clock 645 MHz 970 MHz
    Transistor count 1,270 million 5,000 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 108.6
    Floating-point performance 480.0 gflops 3,476 gflops
    Length 221 mm
    Memory bus width 128bit 256 Bit
    Memory clock speed 1800 - 4000 MHz 970 MHz
    Memory bandwidth 182.4 GB/s
    Shared memory - -
    DirectX 12 API
    Shader Model 5.1 6.3
    OpenGL 4.5 4.5
    OpenCL 1.1 2.0
    Vulkan 1.1.126 +
    CUDA +
    Monero / XMR (CryptoNight) 0.48 kh/s
    FreeSync +
    CUDA cores 384
    Bus support PCI Express 2.0, PCI Express 3.0 PCIe 3.0
    HDMI + +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    3D Blu-Ray +
    Bitcoin / BTC (SHA256) 18 Mh/s 404 Mh/s
    Laptop size medium sized
    Optimus +
    Eyefinity +
    HD3D +
    PowerTune +
    TrueAudio +
    ZeroCore +
    Mantle +
    Design reference
    Bridgeless CrossFire +
    Number of Eyefinity displays 6
    DisplayPort support +
    CrossFire +
    VCE +
    DDMA audio +
    Decred / DCR (Decred) 0.66 Gh/s
    Ethereum / ETH (DaggerHashimoto) 18 Mh/s
    Zcash / ZEC (Equihash) 168.45 Sol/s
    Compute units 28
    Form factor full height / full length / dual slot
    High bandwidth memory (HBM) -
    LiquidVR +
    FRTC +
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