If you were wondering how the forthcomming beast from Sony stacks up against the most recent machine from Microsoft the information below should come in handy. We have compared the two machines together and will add the Revolution to this comparison once enough details about its stucture are released

Release Date
Microsoft Xbox 360 - Dec-05
Sony PlayStation 3 - Nov-06

Controller
Microsoft Xbox 360 - 2.4 GHz Wireless
Sony PlayStation 3 - Bluetooth Wireless

Processor
Microsoft Xbox 360 - Custom IBM PowerPC CPU
Sony PlayStation 3 - Cell Processor

Processor Clock Speed
Microsoft Xbox 360 - 3.2 GHz - three dual-threaded cores
Sony PlayStation 3 - 3.2 GHz - seven synergistic processing units

System Memory
Microsoft Xbox 360 - 512 MB UMA (Shared with GPU)
Sony PlayStation 3 - 256 MB XDR @3.2 GHz

Video Memory
Microsoft Xbox 360 - 512 MB UMA (Shared with CPU)
Sony PlayStation 3 - 256 MB GDDR3 @700 MHz

L2 Cache
Microsoft Xbox 360 - 1MB
Sony PlayStation 3 - 512KB L2 cache, 256KB per SPE (8 SPE - 1 for redundancy)

Memory Bandwidth
Microsoft Xbox 360 - 22.4 GB/s main memory bandwidth, 256 GB/s to eDRAM, 21.6 GB/s FSB
Sony PlayStation 3 - 25.6 GB/s main memory bandwidth, 22.4 GB/s video memory bandwidth

Graphics Core Clock Speed
Microsoft Xbox 360 - 500MHz
Sony PlayStation 3 - 550 MHz

Graphics Processor
Microsoft Xbox 360 - Custom ATI Processor
Sony PlayStation 3 - Nvidia RSX "Reality Synthesizer"

Embedded Video Memory
Microsoft Xbox 360 - 10MB eDRAM
Sony PlayStation 3 - n/a

Resolution
Microsoft Xbox 360 - 480p, 480i, 720p, 1080i
Sony PlayStation 3 - 480i, 480p, 720p, 1080i, 1080p

Controller Ports
Microsoft Xbox 360 - Supports up to 4 Controllers
Sony PlayStation 3 - Supports up to 7 Bluetooth Controllers, USB 2.0 Wired, WiFi (PSP), Network (over IP)

Digital Media Formats
Microsoft Xbox 360 - 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
Sony PlayStation 3 - Compatible with CR-ROM, CDR+W, DVD, DVD-ROM, DVD-R, DVD+R

Game Media Format
Microsoft Xbox 360 - Dual-Layer DVD-ROM (up to 9 G
Sony PlayStation 3 - Blu-ray BD-ROM (up to 54 G

Integrated Communications
Microsoft Xbox 360 - 802.11 A/B/G Wi-Fi ready, adapter not included
Sony PlayStation 3 - 802.11 B/G Wi-Fi, Bluetooth 2.0

Other I/O Connectors
Microsoft Xbox 360 - 3 USB 2.0, 2 Memory Slots, Ethernet Port (RJ45)
Sony PlayStation 3 - Ethernet (RJ45), 6 USB 2.0 (4 Front 2 Rear), CF Slot (Type I, II), SD Slot (Regular, Compact), Memory Stick, Memory Stick Duo, 1 x Optical Audio

Storage
Microsoft Xbox 360 - 20GB Removable Hard Drive
Sony PlayStation 3 - 2.5in Detachable Hard Drive (Unkown Size)

Standard AV Output Connectors
Microsoft Xbox 360 - n/a
Sony PlayStation 3 - 2 x HDMI, 1 x AV

Surround Sound
Microsoft Xbox 360 - Multichannel Output (software driven)
Sony PlayStation 3 - Dolby 5.1 Multichannel Output (software driven)

Built-in Features
Microsoft Xbox 360 - Backward Compatible with Xbox (limited), Stands Vertically or Horizontally, Interchangable Face Plates, Xbox Live Service, Media Center Extender
Sony PlayStation 3 - Backward Compatible with Playstation and PlayStation 2, Stands Vertically or Horizontally

I will leave you to make up your own minds as to what all this means....