Custom IBM PowerPC-based CPU
Three symmetrical cores running at 3.2 GHz each
Two hardware threads per core; six hardware threads total
VMX-128 vector unit per core; three total
128 VMX-128 registers per hardware thread
1 MB L2 cache
CPU Game Math Performance
9.6 billion dot product operations per second
Custom ATI Graphics Processor
10 MB of embedded DRAM
48-way parallel floating-point dynamically scheduled shader pipelines
Unified shader architecture
Polygon Performance
500 million triangles per second
Pixel Fill Rate
16 gigasamples per second fill rate using 4x MSAA
Shader Performance
48 billion shader operations per second
Memory
512 MB of 700 MHz GDDR3 RAM
Unified memory architecture
Memory Bandwidth
22.4 GB/s memory interface bus bandwidth
256 GB/s memory bandwidth to EDRAM
21.6 GB/s front-side bus
Overall System Floating-Point Performance
1 teraflop
Storage
Detachable and upgradeable 20GB hard drive (Standard for Premium System. Optional for Core System.)Hard-drive required to play select games from the original Xbox library
12x dual-layer DVD-ROM
Memory Unit support starting at 64 MB (Core system requires memory unit or hard-drive to save games)
I/O
Support for up to four wireless game controllers
Three USB 2.0 ports
Two memory unit slots
Optimized for Online
Instant, out-of-the-box access to Xbox Live features with broadband service, including Xbox Live Marketplace for downloadable content, gamer profile for digital identity, and voice chat to talk to friends while playing games, watching movies, or listening to music
Built-in Ethernet port (Cable comes standard with Premium System)
Wireless adaptor available separately: 802.11a, 802.11b, and 802.11g
Video camera ready
Digital Media Support
Support for DVD-Video, DVD-ROM, DVD-R/RW, DVD+R/RW, CD-DA, CD-ROM, CD-R, CD-RW, WMA CD, MP3 CD, JPEG Photo CD
Ability to stream media from portable music devices, digital cameras and Windows XP-based PCs
Ability to rip music to the Xbox 360 hard drive
Custom