HWBench.com

    GeForce GTX 980MX vs Radeon HD 7970M

    GeForce GTX 980MX
    Memory: 8192Mb GDDR5MOBILE
    Release date: 1 Jun 2016
    GeForce GTX 980MX
    Radeon HD 7970M
    Memory: 2048Mb GDDR5MOBILE
    Release date: 24 Apr 2012
    Radeon HD 7970M

    Summary

    Reasons to consider GeForce GTX 980MX

    This is a much newer product, it might have better long term support.
    Higher theoretical gaming performance, based on specifications.
    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    Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications

    Reasons to consider Radeon HD 7970M

    48 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 980MX .
    Supports Direct3D 12 Async Compute
    Supports ReLive (allows game streaming/recording with minimum performance penalty)
    Supports Mantle
    Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications
    GeForce GTX 980MX

    HWBench recommends GeForce GTX 980MX

    Based on theoretical specifications.

    Specifications

    Core Configuration

    GeForce GTX 980MXRadeon HD 7970M
    GPU NameGM204 ()vsWimbledon (Wimbledon XT)
    Fab Process28 nmvs28 nm
    Die Size398 mm²vs212 mm²
    Transistors5,200 millionvs2,800 million
    Shaders1664vs1280
    Compute Units13vs20
    Core clock1050 MHzvs850 MHz
    ROPs56vs32
    TMUs104vs80

    Memory Configuration

    GeForce GTX 980MXRadeon HD 7970M
    Memory TypeGDDR5vsGDDR5
    Bus Width256 bitvs256 bit
    Memory Speed1500 MHz
    6000 MHz effective    		vs1200 MHz
    4800 MHz effective
    Memory Size8192 Mbvs2048 Mb

    Additional details

    GeForce GTX 980MXRadeon HD 7970M
    TDP148 wattsvs100 watts
    Release Date1 Jun 2016vs24 Apr 2012

    Raw Performance comparison

    Pixel Rate

    • GeForce GTX 980MX
      58.80 GP/s
    • Radeon HD 7970M
      27.20 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce GTX 980MX
      109.20 GT/s
    • Radeon HD 7970M
      68.00 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce GTX 980MX
      192.00 GB/s
    • Radeon HD 7970M
      153.60 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce GTX 980MX
      3494.00 GFLOPs
    • Radeon HD 7970M
      2176.00 GFLOPs

    GFLOPs - higher is better

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