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Intel 845G Pentium 4-DDR Chipset Review

By Vince Freeman :  May 20, 2002

Intel 845G Chipset Specifications

Optimized for the Intel. Pentium 4 processor

  • Validated with Intel Pentium 4 processor and Intel Celeron processor in mPGA478
  • 400 MHz and 533 MHz system bus

Flexible memory system with PC133 and DDR200/266 capability

  • 2GB of max memory, unbuffered non-ECC DIMMs only
  • Maximum memory bandwidth of 1GB/s with PC133
  • Maximum memory bandwidth of 2.1GB/s with DDR266
  • 64-bit wide memory channel
  • 64Mb, 128Mb, 256Mb and 512Mb technologies for x8 and x16 memory devices
  • Up to 16 simultaneous open pages with PC133 and DDR200/266

Intel's next generation integrated graphics architecture

  • Rapid Pixel and Texel Rendering Architecture (RPTR)
  • Dynamic Video Memory Technology (DVMT)
  • Zone Rendering Technology (ZR)
  • Intelligent Memory Management Technology

High-performance 3D features

  • Core Frequency of 200MHz
  • Hi-Performance 3D
  • Multi-texture for creating light maps, atmospheric effects, etc.
  • Non-Power of 2 textures for desktop compositing and video editing
  • 2Kx2K texture enables desktop size textures
  • Cube Reflection Textures enables environment specular reflections, etc.
  • Render to Texture allows auto-generation of texture on the fly
  • DOT3 Bump-Mapping models realistic surface details
  • Destination Alpha Blend for realistic effects (i.e. force fields, flames, plasma beams, etc.)
  • Point Sprites for atmospheric effects such as snow-fall, etc.
  • Per Pixel Fog capability enables Depth Cueing or hidden objects
  • Full OpenGL 1.3 support for compressed textures, cubic map textures, texture DOT3 environment mode and multi-textures

Enhanced 2D Functions

  • Alpha Stretch BLTs for transparent desktop DirectDraw surfaces
  • Hardware Alpha Blended RGB Cursor for higher quality and performance cursor
  • Color Space Conversion for better Video Compositing
  • Faster Hardware Motion Comp Engine provides flicker-free DVD playback
  • Alpha Blended Sub-picture Support enables softer effect for captions and subtitles
  • 5x2 Overlay supports smooth scaling of DVD playback
  • Anisotropic Filtering for high quality views of oblique surfaces
  • Rotate, Scale and Translate Ops used for GDI+ operations
  • Anti-Aliased Text removes jaggies and smoothens out text

Display Capability

  • 350 MHz Integrated 24-bit RAMDAC
  • Up to QXGA resolution for analog monitor and digital displays
  • Multiple Display Types LVDS/DVI/TV-out/dCRT/Combo
  • ADD Card Support Enables Digital Display Upgrade
  • Independent Overlay Gamma Correction Compensates for Color Intensity Loss
  • DDC2B Compliant Interface
  • Synchronous Dual display support driving analog VGA and digital display simultaneously.

Accelerated Graphics Port (AGP) 4X Interface

  • AGP 2X and 4X Fast Write protocol

Features Benefits

  • 400 and 533 MHz System Bus
  • Ultra ATA/100
  • Intel Extreme Graphics
  • Intel Digital Video Output Interface
  • AGP4X interface
  • Intel Hub Architecture
  • DDR266/200 or PC133 SDRAM
  • Hi-Speed USB 2.0 (six ports)
  • USB1.1 for demanding I/O peripherals ports
  • LAN connect interface
  • Alert on LAN 1.0
  • AC97 Controller
  • SMBus 2.0

Page 1


Page 2

Intel 845G Chipset Features

  • Page 3

    Intel 845G Chipset Specifications

    Page 4

    Performance and Test Systems

    Page 5

    Business and Content Creation Winstone Performance

    Page 6

    SANDRA 2002 and PCMark 2002 Pro Performance

    Page 7

    Quake 3 & Return to Castle Wolfenstein Performance

    Page 8

    i845G Integrated 3D Video Performance

    Page 9

    Benchmark Analysis, Value and Conclusion

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