HWBench.com

    GeForce GTX 780M vs GeForce GTX 870M

    GeForce GTX 780M
    Memory: 4096Mb GDDR5MOBILE
    Release date: 11 May 2013
    GeForce GTX 780M
    GeForce GTX 870M
    Memory: 3072Mb GDDR5MOBILE
    Release date: 12 Mar 2014
    GeForce GTX 870M

    Summary

    Synthetic performance index

    • GeForce GTX 780M
      105%
    • GeForce GTX 870M
      100%

    Relative performance

    Reasons to consider GeForce GTX 780M

    Around 5% higher average synthetic performance.
    Supports PhysX
    Supports G-Sync
    Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
    Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

    Reasons to consider GeForce GTX 870M

    This is a much newer product, it might have better long term support.
    Supports PhysX
    Supports G-Sync
    Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
    Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications
    GeForce GTX 780M

    HWBench recommends GeForce GTX 780M

    The GeForce GTX 780M is the better performing card based on the synthetic benchmarks used (1 benchmarks).

    Specifications

    Core Configuration

    GeForce GTX 780MGeForce GTX 870M
    GPU NameGK104 (N14E-GTX-A2)vsGK104 (N15E-GT-A2)
    Fab Process28 nmvs28 nm
    Die Size294 mm²vs294 mm²
    Transistors3,540 millionvs3,540 million
    Shaders1536vs1344
    Compute Units8vs7
    Core clock771 MHzvs941 MHz
    ROPs32vs24
    TMUs128vs112

    Memory Configuration

    GeForce GTX 780MGeForce GTX 870M
    Memory TypeGDDR5vsGDDR5
    Bus Width256 bitvs192 bit
    Memory Speed1250 MHz
    5000 MHz effective    		vs1250 MHz
    5000 MHz effective
    Memory Size4096 Mbvs3072 Mb

    Additional details

    GeForce GTX 780MGeForce GTX 870M
    TDP122 wattsvs100 watts
    Release Date11 May 2013vs12 Mar 2014

    Raw Performance comparison

    Pixel Rate

    • GeForce GTX 780M
      24.67 GP/s
    • GeForce GTX 870M
      26.35 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce GTX 780M
      98.70 GT/s
    • GeForce GTX 870M
      105.40 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce GTX 780M
      160.00 GB/s
    • GeForce GTX 870M
      120.00 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce GTX 780M
      2368.50 GFLOPs
    • GeForce GTX 870M
      2529.40 GFLOPs

    GFLOPs - higher is better

    Synthetic benchmarks

    3DMark 11

    • GeForce GTX 780M
      7600
    • GeForce GTX 870M
      7200

    Points (higher is better)

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