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    GeForce GT 640 vs GeForce GTX 750 Ti

    If you are going to buy a new graphics card and are choosing between GeForce GT 640 and GeForce GTX 750 Ti, 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 GeForce GT 640 stacks up against GeForce GTX 750 Ti, check out specs charts below.
    GeForce GT 640 Check Price
    GeForce GTX 750 Ti Check Price

    Main Specs

      GeForce GT 640 GeForce GTX 750 Ti
    Power consumption (TDP) 65 Watt 60 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors None None
    Memory type DDR3 GDDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort 2x DVI, 1x mini-HDMI
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    • GeForce GT 640 has 8% more power consumption, than GeForce GTX 750 Ti.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • GeForce GT 640 and GeForce GTX 750 Ti have maximum RAM of 2 GB.
    • Both cards are used in Desktops.
    • GeForce GT 640 is build with Kepler architecture, and GeForce GTX 750 Ti - with Maxwell.
    • Core clock speed of GeForce GTX 750 Ti is 118 MHz higher, than GeForce GT 640.
    • GeForce GT 640 and GeForce GTX 750 Ti are manufactured by 28 nm process technology.
    • GeForce GT 640 is 140 mm longer, than GeForce GTX 750 Ti.
    • Memory clock speed of GeForce GT 640 is 1777 MHz higher, than GeForce GTX 750 Ti.

    Game benchmarks

    high / 1080p 2−3 20−22
    ultra / 1080p 1−2 12−14
    QHD / 1440p 0−1 6−7
    4K / 2160p − 5−6
    low / 720p 14−16 40−45
    medium / 1080p 5−6 24−27
    The average gaming FPS of GeForce GTX 750 Ti in Assassin's Creed Odyssey is 316% more, than GeForce GT 640.

    Full Specs

      GeForce GT 640 GeForce GTX 750 Ti
    Architecture Kepler Maxwell
    Code name GK107 GM107
    Type Desktop Desktop
    Release date 5 June 2012 18 February 2014
    Pipelines 384 640
    Core clock speed 902 MHz 1020 MHz
    Boost Clock 1085 MHz
    Transistor count 1,270 million 1,870 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 28.86 43.40
    Floating-point performance 692.7 gflops 1,389 gflops
    Length 145 mm 5.7" (14.5 cm)
    Memory bus width 128 Bit 128 Bit
    Memory clock speed 1782 MHz 5.4 GB/s
    Memory bandwidth 28.51 GB/s 86.4 GB/s
    Shared memory -
    DirectX 12 (11_0) 12 (11_0)
    Shader Model 5.1 5.1
    OpenGL 4.6 4.4
    OpenCL 1.2 1.2
    Vulkan 1.1.126 1.1.126
    CUDA 3.0 +
    Monero / XMR (CryptoNight) 0.25 kh/s
    CUDA cores 640
    Bus support PCI Express 3.0
    Height 4.376" (11.1 cm)
    Multi monitor support 4 displays
    HDMI +
    HDCP +
    Maximum VGA resolution 2048x1536
    Audio input for HDMI Internal
    3D Gaming +
    3D Vision +
    3D Vision Live +
    Bitcoin / BTC (SHA256) 24 Mh/s 183 Mh/s
    Decred / DCR (Decred) 0.51 Gh/s
    Ethereum / ETH (DaggerHashimoto) 2.3 Mh/s
    Zcash / ZEC (Equihash) 74.4 Sol/s
    Blu Ray 3D +
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