HWBench.com

    GeForce GT 630M vs GeForce GTX 680M

    GeForce GT 630M
    Memory: 2048Mb GDDR5MOBILE
    Release date: 22 Mar 2012
    GeForce GT 630M
    GeForce GTX 680M
    Memory: 4096Mb GDDR5MOBILE
    Release date: 4 Jun 2012
    GeForce GTX 680M

    Summary

    Synthetic performance index

    • GeForce GT 630M
      100%
    • GeForce GTX 680M
      613%

    Relative performance

    Reasons to consider GeForce GT 630M

    67 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 680M .
    Supports PhysX
    Based on an outdated architecture (Nvidia Fermi), there are no performance optimizations for current games and applications

    Reasons to consider GeForce GTX 680M

    Around 513% 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    Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications
    GeForce GTX 680M

    HWBench recommends GeForce GTX 680M

    The GeForce GTX 680M is the better performing card based on the synthetic benchmarks used (1 benchmarks).

    Specifications

    Core Configuration

    GeForce GT 630MGeForce GTX 680M
    GPU NameGF117 (N13P-GL-A1)vsGK104 (N13E-GTX-A2)
    Fab Process28 nmvs28 nm
    Die Size116 mm²vs294 mm²
    Transistors585 millionvs3,540 million
    Shaders96vs1344
    Compute Units2vs7
    Core clock800 MHzvs719 MHz
    ROPs4vs32
    TMUs16vs112

    Memory Configuration

    GeForce GT 630MGeForce GTX 680M
    Memory TypeGDDR5vsGDDR5
    Bus Width128 bitvs256 bit
    Memory Speed900 MHz
    3600 MHz effective    		vs900 MHz
    3600 MHz effective
    Memory Size2048 Mbvs4096 Mb

    Additional details

    GeForce GT 630MGeForce GTX 680M
    TDP33 wattsvs100 watts
    Release Date22 Mar 2012vs4 Jun 2012

    Raw Performance comparison

    Pixel Rate

    • GeForce GT 630M
      3.20 GP/s
    • GeForce GTX 680M
      20.13 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce GT 630M
      12.80 GT/s
    • GeForce GTX 680M
      80.50 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce GT 630M
      57.60 GB/s
    • GeForce GTX 680M
      115.20 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce GT 630M
      307.20 GFLOPs
    • GeForce GTX 680M
      1932.70 GFLOPs

    GFLOPs - higher is better

    Synthetic benchmarks

    3DMark 11

    • GeForce GT 630M
      1060
    • GeForce GTX 680M
      6500

    Points (higher is better)

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