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    GeForce GT 640M vs GeForce GTX 465

    When choosing between GeForce GT 640M and GeForce GTX 465, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GT 640M and GeForce GTX 465.
    GeForce GT 640M Check Price
    GeForce GTX 465 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 GeForce GTX 465
    Power consumption (TDP) 32 Watt 200 Watt
    Interface PCIe 3.0 x16 PCIe 2.0 x16
    Supplementary power connectors Two 6-pins
    Memory type DDR3\GDDR5 GDDR5
    Maximum RAM amount 2 GB 1 GB
    Display Connectors No outputs 2x DVI, 1x mini-HDMI
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    • GeForce GTX 465 has 525% more power consumption, than GeForce GT 640M.
    • GeForce GT 640M is connected by PCIe 3.0 x16, and GeForce GTX 465 uses PCIe 2.0 x16 interface.
    • GeForce GT 640M has 1 GB more memory, than GeForce GTX 465.
    • GeForce GT 640M is used in Laptops, and GeForce GTX 465 - in Desktops.
    • GeForce GT 640M is build with Kepler architecture, and GeForce GTX 465 - with Fermi.
    • GeForce GT 640M is manufactured by 28 nm process technology, and GeForce GTX 465 - by 40 nm process technology.
    • Memory clock speed of GeForce GT 640M is 197 MHz higher, than GeForce GTX 465.

    Game benchmarks

    high / 1080p 0−1 14−16
    ultra / 1080p 0−1 8−9
    QHD / 1440p 0−1 3−4
    low / 720p 10−12 30−33
    medium / 1080p 2−3 18−20
    The average gaming FPS of GeForce GTX 465 in Assassin's Creed Odyssey is 316% more, than GeForce GT 640M.

    Full Specs

      GeForce GT 640M GeForce GTX 465
    Architecture Kepler Fermi
    Code name N13P-GS GF100
    Type Laptop Desktop
    Release date 22 March 2012 31 May 2010
    Pipelines 384 352
    Core clock speed 1215 MHz
    Boost Clock 645 MHz
    Transistor count 1,270 million 3,100 million
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 26.7 billion/sec
    Floating-point performance 480.0 gflops 855.4 gflops
    Length 9.5" (241 mm) (24.1 cm)
    Memory bus width 128bit 256 Bit
    Memory clock speed 1800 - 4000 MHz 1603 MHz (3206 data rate)
    Memory bandwidth 102.6 GB/s
    Shared memory -
    DirectX 12 API 12 (11_0)
    Shader Model 5.1 5.1
    OpenGL 4.5 4.2
    OpenCL 1.1 1.1
    Vulkan 1.1.126 N/A
    CUDA + +
    CUDA cores 384 352
    Bus support PCI Express 2.0, PCI Express 3.0 PCI-E 2.0 x 16
    Height 4.376" (111 mm) (11.1 cm)
    SLI options +
    Multi monitor support +
    HDMI + +
    HDCP +
    Maximum VGA resolution Up to 2048x1536 2048x1536
    Audio input for HDMI Internal
    3D Blu-Ray +
    Bitcoin / BTC (SHA256) 18 Mh/s 64 Mh/s
    Laptop size medium sized
    Optimus +
    Compute performance 30x
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