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    NVIDIA GeForce GT 640M (1GB GDDR5) - benchmark tests, specifications and information

    LaptopMedia.comLaptop GPU SpecsNVIDIA GeForce GT 640M (1GB GDDR5)

    From: Simeon Nikolov 4 December 2014 / 14:40 | 0

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    NVIDIA GeForce GT 640M (1GB GDDR5)

    NVIDIA GeForce GT 640M, codenamed “N13P-GS”, is a mid-range graphics chip, announced in early Q2 of 2012. It is part of the Kepler generation and relies on a GK107 core, constructed through a 28nm process by TSMC (Taiwan Semiconductor Manufacturing Company). It consists of two shader blocks, known as SMX, and each of those has 192 smaller shader cores, also known as CUDA, for a total of 384 CUDA cores.

    All of them operate at a base 625MHz, but the Turbo Mode functionality can increase that to 645MHz, based on the laptop’s cooling capacity.

    The chip also has a 128bit bus and is available in several models with either DDR3 or GDDR5 memory. NVIDIA GeForce GT 640M supports DirectX 11.1, Pixel Shader 5.0, Optimus, PhysX, OpenCL, OpenGL 4.1, DirectCompute, CUDA, 3DTV Play and 3D Vision. Memory bandwidth goes up to 64GB/sec. Max resolutions (WxH) are 3840×2160 digital and 2048×1536 analog.

    You can find all available laptops with GeForce GT 640M here:
    http://amzn.to/2uQL4t1

     

    Ranking 164
    Manufacturing Process 28 nm
    Architecture GK107
    Base frequency 625 MHz
    Memory Type GDDR5
    Memory Frequency 4000 MHz
    Memory bandwith 64 GB/sec
    Released Q1 2012
    Power consumption 32 W
    Cores 384
    Maximum frequency 645 MHz
    Memory Capacity 1 GB
    Memory bus 128-bit
    Drivers www.geforce.com
    Supported technologies DirectX 11.1, Pixel Shader 5.0, Optimus, PhysX, OpenCL, OpenGL 4.1, DirectCompute, CUDA, 3DTV Play, 3D Vision.

    Laptops with NVIDIA GeForce GT 640M (1GB GDDR5)

    Samsung Series 7 Chronos (NP700)
    • Intel Core i5-3210M
    • NVIDIA GeForce GT 640M (1GB GDDR5)
    • 750GB HDD
    • 6GB RAM
    Not available
    More Info Buy from Amazon

    NVIDIA GeForce GT 640M (1GB GDDR5) - benchmark tests

    3DMark Fire Strike (G)
    1362
    Unigine Heaven 3.0
    521
    Unigine Heaven 4.0
    -
    Unigine Superposition
    -

    NVIDIA GeForce GT 640M (1GB GDDR5) vs competitors:

    # GPU Memory bus Performance
    score
    In laptops starting at...
    162. Intel UHD Graphics - 0.3/10 $399.99
    163. AMD Radeon HD 8750M (1GB DDR3) 128-bit 0.3/10 Check price
    164. NVIDIA GeForce GT 640M (1GB GDDR5) 128-bit 0.3/10 Check price
    165. NVIDIA Quadro K1100M (2GB GDDR5) 128-bit 0.3/10 Check price
    166. Intel UHD Graphics 620 - 0.3/10 $254.99
    167. NVIDIA GeForce GT 730M (2GB DDR3) 128-bit 0.3/10 Check price
    See all Top Laptop GPU Rankings

    We’ve tested NVIDIA GeForce GT 640M (1GB GDDR5) on…

    # Laptop 3DMark Fire Strike (G) Unigine Heaven 3.0 Unigine Heaven 4.0 Unigine Superposition Price
    1. Samsung Series 7 Chronos (NP700) 1362.00 521.00 0.00 0.00 N/A

     

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