HWBench.com

    Radeon HD 6770 vs Radeon HD 7670 OEM

    Radeon HD 6770
    Memory: 1024Mb GDDR5DESKTOP
    Release date: 21 Jan 2011
    Radeon HD 6770
    Radeon HD 7670 OEM
    Memory: 512Mb GDDR5DESKTOP
    Release date: 5 Jan 2012
    Radeon HD 7670 OEM

    Summary

    Synthetic performance index

    • Radeon HD 6770
      167%
    • Radeon HD 7670 OEM
      100%

    Relative performance

    Reasons to consider Radeon HD 6770

    Around 67% higher average synthetic performance.
    Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

    Reasons to consider Radeon HD 7670 OEM

    42 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 6770 .
    This is a much newer product, it might have better long term support.
    Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications
    Radeon HD 6770

    HWBench recommends Radeon HD 6770

    The Radeon HD 6770 is the better performing card based on the synthetic benchmarks used (1 benchmarks).

    Specifications

    Core Configuration

    Radeon HD 6770Radeon HD 7670 OEM
    GPU NameJuniper (Juniper XT)vsTurks (Turks XT)
    Fab Process40 nmvs40 nm
    Die Size166 mm²vs118 mm²
    Transistors1,040 millionvs716 million
    Shaders800vs480
    Compute Units10vs6
    Core clock850 MHzvs800 MHz
    ROPs16vs8
    TMUs40vs24

    Memory Configuration

    Radeon HD 6770Radeon HD 7670 OEM
    Memory TypeGDDR5vsGDDR5
    Bus Width128 bitvs128 bit
    Memory Speed1200 MHz
    4800 MHz effective    		vs1000 MHz
    4000 MHz effective
    Memory Size1024 Mbvs512 Mb

    Additional details

    Radeon HD 6770Radeon HD 7670 OEM
    TDP108 wattsvs66 watts
    Release Date21 Jan 2011vs5 Jan 2012

    Raw Performance comparison

    Pixel Rate

    • Radeon HD 6770
      13.60 GP/s
    • Radeon HD 7670 OEM
      6.40 GP/s

    GigaPixels - higher is better

    Texel Rate

    • Radeon HD 6770
      34.00 GT/s
    • Radeon HD 7670 OEM
      19.20 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • Radeon HD 6770
      76.80 GB/s
    • Radeon HD 7670 OEM
      64.00 GB/s

    GB/s - higher is better

    Single precision performance

    • Radeon HD 6770
      1360.00 GFLOPs
    • Radeon HD 7670 OEM
      768.00 GFLOPs

    GFLOPs - higher is better

    Synthetic benchmarks

    3DMark 11

    • Radeon HD 6770
      2550
    • Radeon HD 7670 OEM
      1520

    Points (higher is better)

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