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    Comparative thread for Intel Integrated Graphics

    Discussion in 'Gaming (Software and Graphics Cards)' started by IntelUser, Dec 28, 2009.

  1. IntelUser

    IntelUser Notebook Deity

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    Here I will detail all IGPs by Intel since the infamous X3100. :)

    Basic Architecture:
    -Unified Execution Units(Pixel and Vertex)
    -DX10/Open GL 2.1(assuming latest drivers)
    -Multiple Clock Frequency Domains
    -Dedicated Mathbox unit for doing math(SIN/COS/EXP) functions

    Gen 4
    -8 EUs
    -Early Z
    -MPEG2 acceleration
    -2 ROP/4 TMU(only certain operations)

    Gen 5
    -Adds 2 more EUs for total of 10 EUs
    -Dedicated hardware acceleration for 1080p AVC/VC-1/H.264 codecs
    -Larger caches/registers
    -Better HW VS performance
    -In Gen 4, not all instructions can do 4 multi-textured pixels per cycle, most remained lower than that(I believe the figure was 3.2). Gen 5 allows more instructions to be executed at 4 texels/cycle. Still uses the same 2 ROP/4 TMU config.
    -The recent drivers like 15.6.2 allow easy switching between hardware and software VS in the graphics tray. No more registry editing required.

    [​IMG] [​IMG]
     
    IntelUser, Dec 28, 2009
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  2. IntelUser

    IntelUser Notebook Deity

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    Bump and...

    Gen 6
    -2 more EUs for total of 12 EUs
    -Dedicated clip/cull/setup hardware
    -Hierarchial Z and Fast Z clear
    -OpenGL 2.1
    -Dual Simultaneous HDMI support
    -HD sharpness post processing, xvYCC support, 8x8 polyphase scaling 12 bit Displayport/HDMI color depth support
    -Displayport and Dolby TrueHD/DTS -HD Master audio

    The media capabilities are perfect now. The 3D performs like 790GX with the 900MHz part in the Core i5 661.
     
    IntelUser, Jan 4, 2010
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