HWBench.com

    GeForce GTX 880M vs GeForce GTX 950

    GeForce GTX 880M
    Memory: 8192Mb GDDR5MOBILE
    Release date: 12 Mar 2014
    GeForce GTX 880M
    GeForce GTX 950
    Memory: 2048Mb GDDR5DESKTOP
    Release date: 20 Aug 2015
    GeForce GTX 950

    Summary

    Synthetic performance index

    • GeForce GTX 880M
      100%
    • GeForce GTX 950
      106%

    Relative performance

    Reasons to consider GeForce GTX 880M

    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    Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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 950

    This is a much newer product, it might have better long term support.
    Around 6% 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    Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications
    GeForce GTX 950

    HWBench recommends GeForce GTX 950

    The GeForce GTX 950 is the better performing card based on the synthetic benchmarks used (1 benchmarks).

    Specifications

    Core Configuration

    GeForce GTX 880MGeForce GTX 950
    GPU NameGK104 (N15E-GX-A2)vsGM206 (GM206-250-A1)
    Fab Process28 nmvs28 nm
    Die Size294 mm²vs228 mm²
    Transistors3,540 millionvs2,940 million
    Shaders1536vs768
    Compute Units8vs6
    Core clock954 MHzvs1024 MHz
    ROPs32vs32
    TMUs128vs48

    Memory Configuration

    GeForce GTX 880MGeForce GTX 950
    Memory TypeGDDR5vsGDDR5
    Bus Width256 bitvs128 bit
    Memory Speed1250 MHz
    5000 MHz effective    		vs1653 MHz
    6612 MHz effective
    Memory Size8192 Mbvs2048 Mb

    Additional details

    GeForce GTX 880MGeForce GTX 950
    TDP122 wattsvs90 watts
    Release Date12 Mar 2014vs20 Aug 2015

    Raw Performance comparison

    Pixel Rate

    • GeForce GTX 880M
      30.53 GP/s
    • GeForce GTX 950
      32.80 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce GTX 880M
      122.10 GT/s
    • GeForce GTX 950
      49.20 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce GTX 880M
      160.00 GB/s
    • GeForce GTX 950
      105.80 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce GTX 880M
      2930.70 GFLOPs
    • GeForce GTX 950
      1572.90 GFLOPs

    GFLOPs - higher is better

    Synthetic benchmarks

    3DMark 11

    • GeForce GTX 880M
      7980
    • GeForce GTX 950
      8490

    Points (higher is better)

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