Xbox technical specifications
The Xbox technical specifications describe the various components of the Xbox video game console.
The top of the Xbox, disassembled. It uses a standard DVD-ROM and Hard-disk drive via Parallel ATA.
Central processing unit
Xbox CPU
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)[ 5]
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
The XGPU
GPU and system chipset : 233 MHz "NV2A " ASIC . Co-developed by Microsoft and Nvidia and essentially a variant of Geforce 3 chips.
Geometry engine: 115 million vertices per second, 125 million particles per second (peak)
4 pixel pipelines with 2 texture units each
Peak fillrate :
Rendering fillrate: 932 megapixels per second (233 MHz × 4 pipelines)
Texture fillrate: 1,864 megatexels per second (932 MP × 2 texture units)
Realistic fillrate:
Peak triangle performance: 29,125,000 32-pixel triangles per second, raw or with 2 textures and lighting (32-pixel divided from peak fillrate)
485,416 triangles per frame at 60 frames per second
970,833 triangles per frame at 30 frames per second
Realistic triangle performance: 7,812,500–21,875,000 32-pixel triangles per second, 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 frames per second
260,416–729,166 triangles per frame at 30 frames per second
4 textures per pass, texture compression , full scene anti-aliasing (NV Quincunx , supersampling , multisampling )
Bilinear , trilinear , and anisotropic texture filtering
Performance lies between a Geforce 3 Series GPU and a Geforce 4 Series GPU. This is 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 (233MHz) thus slower than Geforce 4 series starting at 250MHz.[ 7]
Storage
An original Xbox hard disk drive
Audio
The Xbox motherboard
Audio processor: NVIDIA "MCPX" (a.k.a. SoundStorm "NVAPU")
Connectivity
The Xbox has a standard AC in, A/V connector and Ethernet port.
Left: "High Definition AV Pack"; right: HDMI
Controller ports: 4 proprietary USB 1.1 ports
A/V outputs: composite video , S-Video , component video , HDMI (via 3rd party), 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 with ICS ICS1893AF Physical Layer Transceiver
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)[ 8]
See also
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