The Xbox technical specifications describe the various components of the
Xbox
Xbox is a video gaming brand created and owned by Microsoft. The brand consists of five video game consoles, as well as applications (games), streaming services, an online service by the name of Xbox network, and the development arm by the na ...
video game console.
Central processing unit
![Xbox-Motherboard-Rev1_(cropped)_intel_Coppermine_SL5SN](https://upload.wikimedia.org/wikipedia/commons/c/cc/Xbox-Motherboard-Rev1_%28cropped%29_intel_Coppermine_SL5SN.jpg)
*
CPU:
32-bit
In computer architecture, 32-bit computing refers to computer systems with a processor, memory, and other major system components that operate on data in 32-bit units. Compared to smaller bit widths, 32-bit computers can perform large calculation ...
733
MHz
The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s−1, meaning that one he ...
, custom Intel
Pentium III
The Pentium III (marketed as Intel Pentium III Processor, informally PIII or P3) brand refers to Intel's 32-bit x86 desktop and mobile CPUs based on the sixth-generation P6 microarchitecture introduced on February 28, 1999. The brand's initial p ...
Coppermine-based processor in a
Micro-PGA2
Socket 495, sometimes referred to as µPGA2 is a CPU socket for the Intel Pentium III and Celeron mobile processors. This socket was also used in Microsoft's Xbox Console, but in a BGA (ball grid array) format for the Xbox CPU. This socket replac ...
package (though soldered to the mainboard using
BGA). 180
nm process.
**133 MHz 64-bit
GTL+ front-side bus
A front-side bus (FSB) is a computer communication interface (bus) that was often used in Intel-chip-based computers during the 1990s and 2000s. The EV6 bus served the same function for competing AMD CPUs. Both typically carry data between the ...
(FSB) to GPU (1.06 GB/s bandwidth)
**32
KB L1
cache
Cache, caching, or caché may refer to:
Places United States
* Cache, Idaho, an unincorporated community
* Cache, Illinois, an unincorporated community
* Cache, Oklahoma, a city in Comanche County
* Cache, Utah, Cache County, Utah
* Cache County ...
. 128 KB on-die L2 cache
**
SSE floating point
In computing, floating-point arithmetic (FP) is arithmetic that represents real numbers approximately, using an integer with a fixed precision, called the significand, scaled by an integer exponent of a fixed base. For example, 12.345 can be ...
SIMD
Single instruction, multiple data (SIMD) is a type of parallel processing in Flynn's taxonomy. SIMD can be internal (part of the hardware design) and it can be directly accessible through an instruction set architecture (ISA), but it should ...
. Four
single-precision
Single-precision floating-point format (sometimes called FP32 or float32) is a computer number format, usually occupying 32 bits in computer memory; it represents a wide dynamic range of numeric values by using a floating radix point.
A floatin ...
floating point numbers per clock cycle.
**
MMX integer
An integer is the number zero (), a positive natural number (, , , etc.) or a negative integer with a minus sign (−1, −2, −3, etc.). The negative numbers are the additive inverses of the corresponding positive numbers. In the language ...
SIMD
Memory
*
Shared graphics memory
In computer architecture, shared graphics memory refers to a design where the graphics chip does not have its own dedicated memory, and instead shares the main system RAM with the CPU and other components.
This design is used with many integrate ...
sub-system
**64
MB DDR SDRAM
Double Data Rate Synchronous Dynamic Random-Access Memory (DDR SDRAM) is a double data rate (DDR) synchronous dynamic random-access memory (SDRAM) class of memory integrated circuits used in computers. DDR SDRAM, also retroactively called DDR1 ...
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
SK hynix Inc. is a South Korean supplier of dynamic random-access memory (DRAM) chips and flash memory chips. Hynix is the world's second-largest memory chipmaker (after Samsung Electronics) and the world's third-largest semiconductor company. ...
or
Samsung
The Samsung Group (or simply Samsung) ( ko, 삼성 ) is a South Korean multinational manufacturing conglomerate headquartered in Samsung Town, Seoul, South Korea. It comprises numerous affiliated businesses, most of them united under the ...
depending on manufacture date and location
Graphics processing unit
![Ic-photo-nVIDIA--XGPU--(X-BOX-GPU)](https://upload.wikimedia.org/wikipedia/commons/c/c9/Ic-photo-nVIDIA--XGPU--%28X-BOX-GPU%29.png)
*
GPU
A graphics processing unit (GPU) is a specialized electronic circuit designed to manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device. GPUs are used in embedded systems, mobi ...
and system
chipset
In a computer system, a chipset is a set of electronic components
An electronic component is any basic discrete device or physical entity in an electronic system used to affect electrons or their associated fields. Electronic components are ...
: 233 MHz "
NV2A
This list contains general information about graphics processing units (GPUs) and video cards from Nvidia, based on official specifications. In addition some Nvidia motherboards come with integrated onboard GPUs. Limited/Special/Collectors' Editio ...
"
ASIC
An application-specific integrated circuit (ASIC ) is an integrated circuit (IC) chip customized for a particular use, rather than intended for general-purpose use, such as a chip designed to run in a digital voice recorder or a high-efficien ...
. Co-developed by Microsoft and
Nvidia
Nvidia CorporationOfficially written as NVIDIA and stylized in its logo as VIDIA with the lowercase "n" the same height as the uppercase "VIDIA"; formerly stylized as VIDIA with a large italicized lowercase "n" on products from the mid 1990s to ...
and essentially a variant of Geforce 3 chips.
**Floating-point performance: 20
GFLOPS
In computing, floating point operations per second (FLOPS, flops or flop/s) is a measure of computer performance, useful in fields of scientific computations that require floating-point calculations. For such cases, it is a more accurate meas ...
**Geometry engine: 115 million
vertices per second, 125 million
particle
In the Outline of physical science, physical sciences, a particle (or corpuscule in older texts) is a small wikt:local, localized physical body, object which can be described by several physical property, physical or chemical property, chemical ...
s per second (peak)
**4
pixel pipelines
In computer graphics, a computer graphics pipeline, rendering pipeline or simply graphics pipeline, is a conceptual model that describes what steps a graphics system needs to perform to render a 3D scene to a 2D screen. Once ...
with 2
texture units each
**Peak
fillrate
In computer graphics, a video card's pixel fillrate refers to the number of pixels that can be rendered on the screen and written to video memory in one second. Pixel fillrates are given in megapixels per second or in gigapixels per second (in ...
:
***Rendering fillrate: 932
megapixel
In digital imaging, a pixel (abbreviated px), pel, or picture element is the smallest addressable element in a raster image, or the smallest point in an all points addressable display device.
In most digital display devices, pixels are the smal ...
s per second (233 MHz × 4 pipelines)
***Texture fillrate: 1,864
megatexels per second (932 MP × 2 texture units)
**Realistic fillrate:
***Rendering fillrate: 250–700 megapixels per second, with
Z-buffering
A depth buffer, also known as a z-buffer, is a type of data buffer used in computer graphics to represent depth information of objects in 3D space from a particular perspective. Depth buffers are an aid to rendering a scene to ensure that the ...
,
fogging,
alpha blending
In computer graphics, alpha compositing or alpha blending is the process of combining one image with a background to create the appearance of partial or full transparency. It is often useful to render picture elements (pixels) in separate pas ...
and
texture mapping
Texture mapping is a method for mapping a texture on a computer-generated graphic. Texture here can be high frequency detail, surface texture, or color.
History
The original technique was pioneered by Edwin Catmull in 1974.
Texture mapping ...
***Texture fillrate: 500–1400 megatexels per second (250-700 MP × 2 texture units)
**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
Texture compression is a specialized form of image compression designed for storing texture maps in 3D computer graphics rendering systems. Unlike conventional image compression algorithms, texture compression algorithms are optimized for random ac ...
,
full scene anti-aliasing (NV
Quincunx
A quincunx () is a geometric pattern consisting of five points arranged in a cross, with four of them forming a square or rectangle and a fifth at its center. The same pattern has other names, including "in saltire" or "in cross" in heraldry (d ...
,
supersampling
Supersampling or supersampling anti-aliasing (SSAA) is a spatial anti-aliasing method, i.e. a method used to remove aliasing (jagged and pixelated edges, colloquially known as "jaggies") from images rendered in computer games or other computer p ...
,
multisampling
Multisample anti-aliasing (MSAA) is a type of spatial anti-aliasing, a technique used in computer graphics to remove jaggies.
Definition
The term generally refers to a special case of supersampling. Initial implementations of full-scene anti-al ...
)
**
Bilinear,
trilinear, and
anisotropic
Anisotropy () is the property of a material which allows it to change or assume different properties in different directions, as opposed to isotropy. It can be defined as a difference, when measured along different axes, in a material's physic ...
texture filtering
In computer graphics, texture filtering or texture smoothing is the method used to determine the texture color for a texture mapped pixel, using the colors of nearby texels (pixels of the texture). There are two main categories of 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.
Storage
![Original Xbox (2001) HDD (40932184041)](https://upload.wikimedia.org/wikipedia/commons/c/ca/Original_Xbox_%282001%29_HDD_%2840932184041%29.jpg)
*Storage media
**2×–5× (2.6 MB/s–6.6 MB/s)
CAV DVD-ROM
The DVD (common abbreviation for Digital Video Disc or Digital Versatile Disc) is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The medium can store any ki ...
**8 or 10
GB, 3.5 in, 5,400
RPM
Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min, or with the notation min−1) is a unit of rotational speed or rotational frequency for rotating machines.
Standards
ISO 80000-3:2019 defines a unit of rotation as the dimensionl ...
hard disk
A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with magnet ...
formatted to 8 GB with
FATX
File Allocation Table (FAT) is a file system developed for personal computers. Originally developed in 1977 for use on floppy disks, it was adapted for use on hard disks and other devices. It is often supported for compatibility reasons by ...
file system
In computing, file system or filesystem (often abbreviated to fs) is a method and data structure that the operating system uses to control how data is stored and retrieved. Without a file system, data placed in a storage medium would be one larg ...
**Optional 32 MB memory card for saved game file transfer
Audio
![Xbox-Motherboard-Rev1](https://upload.wikimedia.org/wikipedia/commons/d/df/Xbox-Motherboard-Rev1.jpg)
*Audio processor: NVIDIA "MCPX" (a.k.a.
SoundStorm "NVAPU")
**
Wolfson Microelectronics XWM9709 AC97 Revision 2.1 Audio Codec
**Integrated
Parthus Parthus or Parthos (Ancient Greek: Πάρθος; Latin: ''Parthus'') was a settlement of the Illyrian tribe of the Parthini in southern Illyria, modern Albania
Albania ( ; sq, Shqipëri or ), or , also or . officially the Republic of Alban ...
DSP
DSP may refer to:
Computing
* Digital signal processing, the mathematical manipulation of an information signal
* Digital signal processor, a microprocessor designed for digital signal processing
* Yamaha DSP-1, a proprietary digital signal ...
for realtime Dolby Digital encoding
**64 3D sound channels (up to 256
stereo
Stereophonic sound, or more commonly stereo, is a method of sound reproduction that recreates a multi-directional, 3-dimensional audible perspective. This is usually achieved by using two independent audio channels through a configuration ...
voices)
**
HRTF
A head-related transfer function (HRTF), also known as anatomical transfer function (ATF), is a response that characterizes how an ear receives a sound from a point in space. As sound strikes the listener, the size and shape of the head, ears, ea ...
Sensaura
Sensaura, a division of Creative Technology, was a company that provided 3D audio effect technology for the interactive entertainment industry.
Sensaura technology was shipped on more than 24 million game consoles and 150 million PCs (on soundcards ...
3D enhancement
**
MIDI
MIDI (; Musical Instrument Digital Interface) is a technical standard that describes a communications protocol, digital interface, and electrical connectors that connect a wide variety of electronic musical instruments, computers, and re ...
DLS2 Support
**
Monaural
Monaural or monophonic sound reproduction (often shortened to mono) is sound intended to be heard as if it were emanating from one position. This contrasts with stereophonic sound or ''stereo'', which uses two separate audio channels to reproduc ...
,
Stereo
Stereophonic sound, or more commonly stereo, is a method of sound reproduction that recreates a multi-directional, 3-dimensional audible perspective. This is usually achieved by using two independent audio channels through a configuration ...
,
Dolby Surround
Dolby Pro Logic is a surround sound processing technology developed by Dolby Laboratories, designed to decode soundtracks encoded with Dolby Surround.
Dolby Stereo (also known as ''Dolby MP'' or ''Dolby SVA'') was developed by Dolby in 1976 f ...
,
Dolby Digital Live 5.1, and
DTS Surround (DVD movies only) audio output options
Connectivity
![Xbox-Console-Back-Flat](https://upload.wikimedia.org/wikipedia/commons/1/16/Xbox-Console-Back-Flat.jpg)
*Controller ports: 4 proprietary
USB
Universal Serial Bus (USB) is an industry standard that establishes specifications for cables, connectors and protocols for connection, communication and power supply (interfacing) between computers, peripherals and other computers. A broad ...
1.1 ports
*A/V outputs:
composite video
Composite video is an analog video signal format that carries standard-definition video (typically at 525 lines or 625 lines) as a single channel. Video information is encoded on one channel, unlike the higher-quality S-Video (two channels) a ...
,
S-Video
S-Video (also known as separate video, Y/C, and erroneously Super-Video ) is an analog video signal format that carries standard-definition video, typically at 525 lines or 625 lines. It encodes video luma and chrominance on two separate channe ...
,
component video
Component video is an analog video signal that has been split into two or more component channels. In popular use, it refers to a type of component analog video (CAV) information that is transmitted or stored as three separate signals. Compon ...
,
HDMI
High-Definition Multimedia Interface (HDMI) is a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data from an HDMI-compliant source device, such as a display controller, ...
(via 3rd party),
SCART
SCART (also known as or , especially in France, 21-pin EuroSCART in marketing by Sharp in Asia, Euroconector in Spain, EuroAV or EXT, or EIA Multiport in the United States, as an EIA interface) is a French-originated standard and associated 21- ...
, Digital Optical
TOSLINK
TOSLINK (from ''Toshiba Link'') is a standardized optical fiber connector system. Also known generically as optical audio, its most common use is in consumer audio equipment (via a "digital optical" socket), where it carries a digital audio st ...
, 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
480i is the video mode used for standard-definition digital television in the Caribbean, Japan, South Korea, Taiwan, Philippines, Laos, Western Sahara, and most of the Americas (with the exception of Argentina, Paraguay, and Uruguay). The ''480 ...
,
480p
480p is the shorthand name for a family of video display resolutions. The p stands for progressive scan, i.e. non-interlaced. The ''480'' denotes a vertical resolution of 480 pixels, usually with a horizontal resolution of 640 pixels and 4:3 ...
,
576i
576i is a standard-definition television, standard-definition digital video mode, originally used for digitizing analog television in most countries of the world where the utility frequency for electric power distribution is 50 Hz. Because ...
,
576p,
720p
720p (1280×720 px; also called HD ready, standard HD or just HD) is a progressive HDTV signal format with 720 horizontal lines/1280 columns and an aspect ratio (AR) of 16:9, normally known as widescreen HDTV (1.78:1). All major HDTV broadcast ...
,
1080i
1080i (also known as Full HD or BT.709) is a combination of frame resolution and scan type. 1080i is used in high-definition television (HDTV) and high-definition video. The number "1080" refers to the number of horizontal lines on the screen. ...
*Integrated 10/
100BASE-TX
In computer networking, Fast Ethernet physical layers carry traffic at the nominal rate of 100 Mbit/s. The prior Ethernet speed was 10 Mbit/s. Of the Fast Ethernet physical layers, 100BASE-TX is by far the most common.
Fast Ethern ...
wired
Ethernet
Ethernet () is a family of wired computer networking technologies commonly used in local area networks (LAN), metropolitan area networks (MAN) and wide area networks (WAN). It was commercially introduced in 1980 and first standardized in 198 ...
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)
Original Xbox Technical Specifications
See also
* nVIDIA nForce
References
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Video game hardware