HWBench.com

    GeForce GTX 860M vs Radeon HD 8670M

    GeForce GTX 860M
    Memory: 2048Mb GDDR5MOBILE
    Release date: 13 Jan 2014
    GeForce GTX 860M
    Radeon HD 8670M
    Memory: 1024Mb DDR3MOBILE
    Release date: 1 Mar 2013
    Radeon HD 8670M

    Summary

    Synthetic performance index

    • GeForce GTX 860M
      329%
    • Radeon HD 8670M
      100%

    Relative performance

    Reasons to consider GeForce GTX 860M

    This is a much newer product, it might have better long term support.
    Around 229% 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    Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications

    Reasons to consider Radeon HD 8670M

    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    Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 860M

    HWBench recommends GeForce GTX 860M

    The GeForce GTX 860M is the better performing card based on the synthetic benchmarks used (1 benchmarks).

    Specifications

    Core Configuration

    GeForce GTX 860MRadeon HD 8670M
    GPU NameGM107 (N15P-GX-A1)vsSun (Sun XT)
    Fab Process28 nmvs28 nm
    Die Size148 mm²vs77 mm²
    Transistors1,870 millionvs1,040 million
    Shaders640vs320
    Compute Units5vs5
    Core clock1020 MHzvs925 MHz
    ROPs16vs8
    TMUs40vs20

    Memory Configuration

    GeForce GTX 860MRadeon HD 8670M
    Memory TypeGDDR5vsDDR3
    Bus Width128 bitvs64 bit
    Memory Speed1253 MHz
    5012 MHz effective    		vs1000 MHz
    2000 MHz effective
    Memory Size2048 Mbvs1024 Mb

    Additional details

    GeForce GTX 860MRadeon HD 8670M
    TDP75 wattsvs0 watts
    Release Date13 Jan 2014vs1 Mar 2013

    Raw Performance comparison

    Pixel Rate

    • GeForce GTX 860M
      16.32 GP/s
    • Radeon HD 8670M
      7.80 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce GTX 860M
      40.80 GT/s
    • Radeon HD 8670M
      19.50 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce GTX 860M
      80.20 GB/s
    • Radeon HD 8670M
      16.00 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce GTX 860M
      1305.60 GFLOPs
    • Radeon HD 8670M
      624.00 GFLOPs

    GFLOPs - higher is better

    Synthetic benchmarks

    3DMark 11

    • GeForce GTX 860M
      5040
    • Radeon HD 8670M
      1530

    Points (higher is better)

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