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    GeForce GT 640 vs Radeon R9 380

    In this comparison between GeForce GT 640 and Radeon R9 380 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GT 640 will be the best choice, for others Radeon R9 380 will be their preference. Study the comparison tables below and make your choice.
    GeForce GT 640 Check Price
    Radeon R9 380 Check Price

    Main Specs

      GeForce GT 640 Radeon R9 380
    Power consumption (TDP) 65 Watt 190 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors None 2 x 6-pin
    Memory type DDR3 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort 2x DVI, 1x HDMI, 1x DisplayPort
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    • Radeon R9 380 has 192% more power consumption, than GeForce GT 640.
    • 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 640.
    • Both cards are used in Desktops.
    • GeForce GT 640 is build with Kepler architecture, and Radeon R9 380 - with GCN.
    • GeForce GT 640 and Radeon R9 380 are manufactured by 28 nm process technology.
    • Radeon R9 380 is 76 mm longer, than GeForce GT 640.
    • Memory clock speed of GeForce GT 640 is 812 MHz higher, than Radeon R9 380.

    Game benchmarks

    high / 1080p 2−3 35−40
    ultra / 1080p 1−2 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 14−16 60−65
    medium / 1080p 5−6 40−45
    The average gaming FPS of Radeon R9 380 in Assassin's Creed Odyssey is 583% more, than GeForce GT 640.

    Full Specs

      GeForce GT 640 Radeon R9 380
    Architecture Kepler GCN
    Code name GK107 Tonga Pro
    Type Desktop Desktop
    Release date 5 June 2012 26 June 2015
    Pipelines 384 1792
    Core clock speed 902 MHz
    Boost Clock 970 MHz
    Transistor count 1,270 million 5,000 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 28.86 108.6
    Floating-point performance 692.7 gflops 3,476 gflops
    Length 145 mm 221 mm
    Memory bus width 128 Bit 256 Bit
    Memory clock speed 1782 MHz 970 MHz
    Memory bandwidth 28.51 GB/s 182.4 GB/s
    Shared memory -
    DirectX 12 (11_0)
    Shader Model 5.1 6.3
    OpenGL 4.6 4.5
    OpenCL 1.2 2.0
    Vulkan 1.1.126 +
    CUDA 3.0
    Monero / XMR (CryptoNight) 0.48 kh/s
    FreeSync +
    Bus support PCIe 3.0
    HDMI +
    Bitcoin / BTC (SHA256) 24 Mh/s 404 Mh/s
    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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