HWBench.com

    GeForce GTX 780M vs Radeon HD 6770M

    GeForce GTX 780M
    Memory: 4096Mb GDDR5MOBILE
    Release date: 11 May 2013
    GeForce GTX 780M
    Radeon HD 6770M
    Memory: 1024Mb GDDR5MOBILE
    Release date: 4 Jan 2011
    Radeon HD 6770M

    Summary

    Synthetic performance index

    • GeForce GTX 780M
      510%
    • Radeon HD 6770M
      100%

    Relative performance

    Reasons to consider GeForce GTX 780M

    This is a much newer product, it might have better long term support.
    Around 410% 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    Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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 Radeon HD 6770M

    87 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 780M .
    Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications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 780MRadeon HD 6770M
    GPU NameGK104 (N14E-GTX-A2)vsWhistler (Whistler XT)
    Fab Process28 nmvs40 nm
    Die Size294 mm²vs104 mm²
    Transistors3,540 millionvs716 million
    Shaders1536vs480
    Compute Units8vs6
    Core clock771 MHzvs725 MHz
    ROPs32vs8
    TMUs128vs24

    Memory Configuration

    GeForce GTX 780MRadeon HD 6770M
    Memory TypeGDDR5vsGDDR5
    Bus Width256 bitvs128 bit
    Memory Speed1250 MHz
    5000 MHz effective    		vs900 MHz
    3600 MHz effective
    Memory Size4096 Mbvs1024 Mb

    Additional details

    GeForce GTX 780MRadeon HD 6770M
    TDP122 wattsvs35 watts
    Release Date11 May 2013vs4 Jan 2011

    Raw Performance comparison

    Pixel Rate

    • GeForce GTX 780M
      24.67 GP/s
    • Radeon HD 6770M
      5.80 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce GTX 780M
      98.70 GT/s
    • Radeon HD 6770M
      17.40 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce GTX 780M
      160.00 GB/s
    • Radeon HD 6770M
      57.60 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce GTX 780M
      2368.50 GFLOPs
    • Radeon HD 6770M
      696.00 GFLOPs

    GFLOPs - higher is better

    Synthetic benchmarks

    3DMark 11

    • GeForce GTX 780M
      7600
    • Radeon HD 6770M
      1490

    Points (higher is better)

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