HWBench.com

    GeForce GTX 980MX vs Radeon R9 M385X

    GeForce GTX 980MX
    Memory: 8192Mb GDDR5MOBILE
    Release date: 1 Jun 2016
    GeForce GTX 980MX
    Radeon R9 M385X
    Memory: 4096Mb GDDR5MOBILE
    Release date: 5 May 2015
    Radeon R9 M385X

    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    Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications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 R9 M385X

    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    Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications
    GeForce GTX 980MX

    HWBench recommends GeForce GTX 980MX

    Based on theoretical specifications.

    Specifications

    Core Configuration

    GeForce GTX 980MXRadeon R9 M385X
    GPU NameGM204 ()vsStrato (Strato XT)
    Fab Process28 nmvs28 nm
    Die Size398 mm²vs160 mm²
    Transistors5,200 millionvs2,080 million
    Shaders1664vs896
    Compute Units13vs14
    Core clock1050 MHzvs1000 MHz
    ROPs56vs16
    TMUs104vs56

    Memory Configuration

    GeForce GTX 980MXRadeon R9 M385X
    Memory TypeGDDR5vsGDDR5
    Bus Width256 bitvs128 bit
    Memory Speed1500 MHz
    6000 MHz effective    		vs1200 MHz
    4800 MHz effective
    Memory Size8192 Mbvs4096 Mb

    Additional details

    GeForce GTX 980MXRadeon R9 M385X
    TDP148 wattsvs0 watts
    Release Date1 Jun 2016vs5 May 2015

    Raw Performance comparison

    Pixel Rate

    • GeForce GTX 980MX
      58.80 GP/s
    • Radeon R9 M385X
      17.60 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce GTX 980MX
      109.20 GT/s
    • Radeon R9 M385X
      61.60 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce GTX 980MX
      192.00 GB/s
    • Radeon R9 M385X
      76.80 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce GTX 980MX
      3494.00 GFLOPs
    • Radeon R9 M385X
      1971.20 GFLOPs

    GFLOPs - higher is better

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