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Thread: The Radeon HD 3000 and HD 4000 series

  1. #1
    Join Date
    Sep 2010
    Location
    Leiden, the Netherlands
    Posts
    2,869

    The Radeon HD 3000 and HD 4000 series

    My first good Ati cards were a 2nd hand Sapphire HD3870 (PCIe) and a third hand Sapphire HD3850 (AGP). As they are made using a 55 nm process they are comparable to the nVidia Geforce GT200 series, as can my son's HD 4870 -a lucky dustbin find. My HD 4770 is even made on a 40 nm process, like the Fermi generation. Unfortunately the support for these fine cards in the latest OS-es is lacking, amongst others due to the lack of proper OpenCL support. We will miss the fine DP performance they offered.
    Model/Type GPU Fab in nm Shaders TMA ROP GFLOP SP GFLOP DP TDP Gflop(SP)
    /Watt
    Gflop(DP)
    /Watt
    Radeon HD 3000 Series 1/5 of SP
    Radeon HD 3850
    RV670 PRO
    55
    320
    16
    16
    428
    86
    75
    5.71
    1.14
    Radeon HD 3870
    RV670 XT
    55
    320
    16
    16
    497
    99
    106
    4.69
    0.94
    Radeon HD 4000 Series 1/5 of SP
    Radeon HD 4770
    RV740
    40
    640
    32
    16
    960
    192
    80
    12.00
    2.40
    Radeon HD 4870
    RV770 XT
    55
    800
    40
    16
    1200
    240
    160
    7.50
    1.50

  2. #2
    Join Date
    Mar 2017
    Location
    Wales, UK
    Posts
    21
    I hope the 6000 series support does not drop off too soon as well. These ATI cards are steady work horses despite no longer being up to much graphically in comparison to newer models.

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