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Xbox technical specifications

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Xbox technical specifications

The Xbox technical specifications describe the various components of the Xbox video game console.

Contents

Central processing unit

  • CPU: 32-bit 733 MHz, custom Intel Pentium III Coppermine-based processor in a Micro-PGA2 package (though soldered to the mainboard using BGA). 180 nm process.
  • 133 MHz 64-bit GTL+ front-side bus (FSB) to GPU (1.06 GB/s bandwidth)
  • 32KB L1 cache. 128 KB on-die L2 cache
  • SSE floating point SIMD. Four single-precision floating point numbers per clock cycle.
  • MMX integer SIMD

    • Memory

  • Shared graphics memory sub-system
  • 64 MB DDR SDRAM at 200 MHz; in dual-channel 128-bit configuration giving 6400 MB/s (6.4 GB/s)
  • Maximum of 1.06 GB/s bandwidth accessible by CPU FSB
  • Theoretical 5.34 GB/s bandwidth shared by rest of the system
  • Supplied by Hynix or Samsung depending on manufacture date and location

    • Graphics processing unit

  • GPU and system chipset: 233 MHz "NV2A" ASIC. Co-developed by Microsoft and Nvidia.
  • Floating-point performance: 5.8 GFLOPS
  • Geometry engine: 115 million vertices/second, 125 million particles/second (peak)
  • 4 pixel pipelines with 2 texture units each
  • Peak fillrate:
  • Rendering fillrate: 932 megapixels/second (233 MHz × 4 pipelines)
  • Texture fillrate: 1864 megatexels/second (932 MP × 2 texture units)
  • Realistic fillrate:
  • Rendering fillrate: 250–700 megapixels/second, with Z-buffering, fogging, alpha blending and texture mapping
  • Texture fillrate: 500–1400 megatexels/second (250-700 MP × 2 texture units)
  • Peak triangle performance: 29,125,000 32-pixel triangles/s, raw or with 2 textures and lighting (32-pixel divided from peak fillrate)
  • 485,416 triangles per frame at 60 frame/s
  • 970,833 triangles per frame at 30 frame/s
  • Realistic triangle performance: 7,812,500–21,875,000 32-pixel triangles/s, with 2 textures, lighting, Z-buffering, fogging and alpha blending (32-pixel divided from realistic fillrate)
  • 130,208–364,583 triangles per frame at 60 frame/s
  • 260,416–729,166 triangles per frame at 30 frame/s
  • 8 textures per pass, texture compression, full scene anti-aliasing (NV Quincunx, supersampling, multisampling)
  • Bilinear, trilinear, and anisotropic texture filtering
  • Performance lies between a normal Geforce 3 Series (non TI) GPU and a Geforce 4 Series GPU. This due to the added vertex shader present on the ASIC, thus doubling the vertex output compared to Geforce 3 ASICs. Clock speed is the same as the original Geforce 3 series GPU (200mhz) thus slower than Geforce 4 series starting at 250mhz.

    • Storage

  • Storage media
  • 2×–5× (2.6 MB/s–6.6 MB/s) CAV DVD-ROM
  • 8 or 10 GB, 3.5 in, 5,400 RPM hard disk formatted to 8 GB with FATX file system
  • Optional 32 MB memory card for saved game file transfer

    • Audio

  • Audio processor: NVIDIA "MCPX" (a.k.a. SoundStorm "NVAPU")
  • Integrated Parthus DSP for realtime Dolby Digital encoding
  • 64 3D sound channels (up to 256 stereo voices)
  • HRTF Sensaura 3D enhancement
  • MIDI DLS2 Support
  • Monaural, Stereo, Dolby Surround, Dolby Digital Live 5.1, and DTS Surround (DVD movies only) audio output options

    • Connectivity

  • Controller ports: 4 proprietary USB 1.1 ports
  • A/V outputs: composite video, S-Video, component video, SCART, Digital Optical TOSLINK, and stereo RCA analog audio
  • S-Video requires "Advanced AV Pack", component video requires "High Definition AV Pack", TOSLINK requires either of the two
  • Resolutions: 480i, 480p, 576i, 576p, 720p, 1080i
  • Integrated 10/100BASE-TX wired Ethernet
  • DVD movie playback (add-on required)

    • Physical specifications

  • Weight: 3.86 kg (8.5 lb)
  • Dimensions: 320 × 100 × 260 mm (12.5 × 4 × 10.5 in)

    • References

    Xbox technical specifications Wikipedia
    (Text) CC BY-SA


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