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    GeForce GT 640M vs Iris Plus Graphics G4 Ice Lake 48 EU

    In this comparison between GeForce GT 640M and Iris Plus Graphics G4 Ice Lake 48 EU 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 640M will be the best choice, for others Iris Plus Graphics G4 Ice Lake 48 EU will be their preference. Study the comparison tables below and make your choice.
    GeForce GT 640M Check Price
    Iris Plus Graphics G4 Ice Lake 48 EU Check Price

    GeForce GT 640M and Iris Plus Graphics G4 Ice Lake 48 EU are Laptop Graphics Cards

    Note: GeForce GT 640M and Iris Plus Graphics G4 Ice Lake 48 EU are only used in laptop graphics. They have 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 or Iris Plus Graphics G4 Ice Lake 48 EU here:

    GeForce GT 640M Laptops
    Iris Plus Graphics G4 Ice Lake 48 EU Laptops

    Main Specs

      GeForce GT 640M Iris Plus Graphics G4 Ice Lake 48 EU
    Power consumption (TDP) 32 Watt
    Interface PCIe 3.0 x16
    Memory type DDR3\GDDR5 DDR4
    Maximum RAM amount 2 GB
    Display Connectors No outputs
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    • Both cards are used in Laptops.
    • GeForce GT 640M is build with Kepler architecture, and Iris Plus Graphics G4 Ice Lake 48 EU - with Gen. 11 Ice Lake.
    • GeForce GT 640M is manufactured by 28 nm process technology, and Iris Plus Graphics G4 Ice Lake 48 EU - by 10 nm process technology.

    Game benchmarks

    high / 1080p 0−1 9−10
    ultra / 1080p 0−1 5−6
    QHD / 1440p 0−1 0−1
    low / 720p 10−12 21−24
    medium / 1080p 2−3 10−12
    The average gaming FPS of Iris Plus Graphics G4 Ice Lake 48 EU in Assassin's Creed Odyssey is 166% more, than GeForce GT 640M.

    Full Specs

      GeForce GT 640M Iris Plus Graphics G4 Ice Lake 48 EU
    Architecture Kepler Gen. 11 Ice Lake
    Code name N13P-GS Ice Lake G4 Gen. 11
    Type Laptop Laptop
    Release date 22 March 2012 28 May 2019
    Pipelines 384 48
    Core clock speed 300 MHz
    Boost Clock 645 MHz 1100 MHz
    Transistor count 1,270 million
    Manufacturing process technology 28 nm 10 nm
    Floating-point performance 480.0 gflops
    Memory bus width 128bit
    Memory clock speed 1800 - 4000 MHz
    Shared memory - +
    DirectX 12 API DirectX 12_1
    Shader Model 5.1
    OpenGL 4.5
    OpenCL 1.1
    Vulkan 1.1.126
    CUDA +
    CUDA cores 384
    Bus support PCI Express 2.0, PCI Express 3.0
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    3D Blu-Ray +
    Bitcoin / BTC (SHA256) 18 Mh/s
    Laptop size medium sized
    Optimus +
    Quick Sync +
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