HWBench.com

    GeForce GTX 780M vs GeForce GTX 860M

    GeForce GTX 780M
    Memory: 4096Mb GDDR5MOBILE
    Release date: 11 May 2013
    GeForce GTX 780M
    GeForce GTX 860M
    Memory: 2048Mb GDDR5MOBILE
    Release date: 13 Jan 2014
    GeForce GTX 860M

    Summary

    Synthetic performance index

    • GeForce GTX 780M
      150%
    • GeForce GTX 860M
      100%

    Relative performance

    Reasons to consider GeForce GTX 780M

    Around 50% 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    Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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 860M

    47 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 780M .
    Supports PhysX
    Supports G-Sync
    Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
    Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications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 860M
    GPU NameGK104 (N14E-GTX-A2)vsGM107 (N15P-GX-A1)
    Fab Process28 nmvs28 nm
    Die Size294 mm²vs148 mm²
    Transistors3,540 millionvs1,870 million
    Shaders1536vs640
    Compute Units8vs5
    Core clock771 MHzvs1020 MHz
    ROPs32vs16
    TMUs128vs40

    Memory Configuration

    GeForce GTX 780MGeForce GTX 860M
    Memory TypeGDDR5vsGDDR5
    Bus Width256 bitvs128 bit
    Memory Speed1250 MHz
    5000 MHz effective    		vs1253 MHz
    5012 MHz effective
    Memory Size4096 Mbvs2048 Mb

    Additional details

    GeForce GTX 780MGeForce GTX 860M
    TDP122 wattsvs75 watts
    Release Date11 May 2013vs13 Jan 2014

    Raw Performance comparison

    Pixel Rate

    • GeForce GTX 780M
      24.67 GP/s
    • GeForce GTX 860M
      16.32 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce GTX 780M
      98.70 GT/s
    • GeForce GTX 860M
      40.80 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce GTX 780M
      160.00 GB/s
    • GeForce GTX 860M
      80.20 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce GTX 780M
      2368.50 GFLOPs
    • GeForce GTX 860M
      1305.60 GFLOPs

    GFLOPs - higher is better

    Synthetic benchmarks

    3DMark 11

    • GeForce GTX 780M
      7600
    • GeForce GTX 860M
      5040

    Points (higher is better)

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