HWBench.com

    GeForce GTX 780M vs Radeon R9 M295X

    GeForce GTX 780M
    Memory: 4096Mb GDDR5MOBILE
    Release date: 11 May 2013
    GeForce GTX 780M
    Radeon R9 M295X
    Memory: 4096Mb GDDR5MOBILE
    Release date: 23 Nov 2014
    Radeon R9 M295X

    Summary

    Reasons to consider GeForce GTX 780M

    128 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon R9 M295X .
    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    Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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 R9 M295X

    This is a much newer product, it might have better long term support.
    Higher theoretical gaming performance, based on specifications.
    Supports Direct3D 12 Async Compute
    Supports FreeSync
    Supports ReLive (allows game streaming/recording with minimum performance penalty)
    Supports TrueAudio
    Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications
    Radeon R9 M295X

    HWBench recommends Radeon R9 M295X

    Based on theoretical specifications.

    Specifications

    Core Configuration

    GeForce GTX 780MRadeon R9 M295X
    GPU NameGK104 (N14E-GTX-A2)vsAmethyst (Amethyst XT)
    Fab Process28 nmvs28 nm
    Die Size294 mm²vs366 mm²
    Transistors3,540 millionvs5,000 million
    Shaders1536vs2048
    Compute Units8vs32
    Core clock771 MHzvs723 MHz
    ROPs32vs32
    TMUs128vs128

    Memory Configuration

    GeForce GTX 780MRadeon R9 M295X
    Memory TypeGDDR5vsGDDR5
    Bus Width256 bitvs256 bit
    Memory Speed1250 MHz
    5000 MHz effective    		vs1250 MHz
    5000 MHz effective
    Memory Size4096 Mbvs4096 Mb

    Additional details

    GeForce GTX 780MRadeon R9 M295X
    TDP122 wattsvs250 watts
    Release Date11 May 2013vs23 Nov 2014

    Raw Performance comparison

    Pixel Rate

    • GeForce GTX 780M
      24.67 GP/s
    • Radeon R9 M295X
      23.14 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce GTX 780M
      98.70 GT/s
    • Radeon R9 M295X
      92.50 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce GTX 780M
      160.00 GB/s
    • Radeon R9 M295X
      160.00 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce GTX 780M
      2368.50 GFLOPs
    • Radeon R9 M295X
      2961.40 GFLOPs

    GFLOPs - higher is better

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