HWBench.com

    GeForce GTX 1080 Mobile vs GeForce 800M

    GeForce GTX 1080 Mobile
    Memory: 8192Mb GDDR5XMOBILE
    Release date: 15 Aug 2016
    GeForce GTX 1080 Mobile
    GeForce 800M
    Memory: 1024Mb DDR3MOBILE
    Release date: 17 Mar 2014
    GeForce 800M

    Summary

    Reasons to consider GeForce GTX 1080 Mobile

    This is a much newer product, it might have better long term support.
    Higher theoretical gaming performance, based on specifications.
    Supports PhysX
    Supports G-Sync
    Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
    Supports Direct3D 12 Async Compute
    Based on an outdated architecture (Nvidia Pascal), there may be no performance optimizations for current games and applications

    Reasons to consider GeForce 800M

    135 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 1080 Mobile .
    Supports PhysX
    Based on an outdated architecture (Nvidia Fermi), there are no performance optimizations for current games and applications
    GeForce GTX 1080 Mobile

    HWBench recommends GeForce GTX 1080 Mobile

    Based on theoretical specifications.

    Specifications

    Core Configuration

    GeForce GTX 1080 MobileGeForce 800M
    GPU NameGP104 ()vsGF117 (N14M-GL)
    Fab Process16 nmvs28 nm
    Die Size314 mm²vs116 mm²
    Transistors7,200 millionvs585 million
    Shaders2560vs48
    Compute Units20vs1
    Core clock1556 MHzvs738 MHz
    ROPs64vs8
    TMUs160vs8

    Memory Configuration

    GeForce GTX 1080 MobileGeForce 800M
    Memory TypeGDDR5XvsDDR3
    Bus Width256 bitvs64 bit
    Memory Speed1251 MHz
    10008 MHz effective    		vs900 MHz
    1800 MHz effective
    Memory Size8192 Mbvs1024 Mb

    Additional details

    GeForce GTX 1080 MobileGeForce 800M
    TDP150 wattsvs15 watts
    Release Date15 Aug 2016vs17 Mar 2014

    Raw Performance comparison

    Pixel Rate

    • GeForce GTX 1080 Mobile
      99.60 GP/s
    • GeForce 800M
      1.47 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce GTX 1080 Mobile
      249.00 GT/s
    • GeForce 800M
      5.90 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce GTX 1080 Mobile
      320.00 GB/s
    • GeForce 800M
      14.40 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce GTX 1080 Mobile
      7967.00 GFLOPs
    • GeForce 800M
      141.70 GFLOPs

    GFLOPs - higher is better

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