Straight from 
http://dc.ign.com) : 
 CPU: Hitachi SH4 RISC CPU with an operating frequency of 200MHz at 360 MIPS/1.4FLOPS.
 Graphics Sub-system: NEC PowerVR Second Generation (rendering capacity of more than 3 million polygons per second). 
 Sound Processor: Yamaha Super Intelligent Sound Processor (simultaneously articulates 64 voices) with 3D environmental audio effects. 
 Operating Systems: Customized Sega OS. Dreamcast is also designed to run a custom flavor of Microsoft Windows CE, and will display the official WinCE logo at startup if the game that's running utilizes it. 
 Memory: 16MB main memory, 8MB video memory, 2MB sound memory. Total system memory: 26MB. 
 CD-ROM Drive: 12x (Maximum) proprietary Yamaham GD-ROM (Gigabyte Disc) capable of holding up to 1GB of data.  
 On-board Modem: 56 Kbps 
 Controllers: Gray casing, featuring analog thumb stick, floating digital D-pad (cross-style), four face buttons (A, B, X, Y), and two analog triggers. Top of controller features two VMS slots and a small groove for routing the cable vertically. Controllers are expected to ship in multiple colors (red, blue, green, yellow, black) on a future date. 
 Visual Memory (sold separately): A liquid-crystal display PDA for game data backup and data exchange.  
 Console Dimensions: 7 7/16" X 7 11/16" X 3"  
 Weight: 4.4lbs 
 Included Accessories: Composite A/V cable, power cord, modular telephone cord, Dream Passport Internet access software, one controller. 
 Straight from 
http://ps2.ign.com) : 
 CPU: 128 Bit "Emotion Engine" 
 System Clock: 300 MHz 
 System Memory: 32 MB Direct Rambus 
 Memory Bus Bandwidth: 3.2 GB per second 
 Co-Processor: FPU (Floating Point Multiply Accumulator x 1, Floating Point Divider x 1) 
 Vector Units: VU0 and VU1 (Floating Point Multiply Accumulator x 9, Floating Point Divider x 1) 
 Floating Point Performance: 6.2 GFLOPS 
 3D CG Geometric Transformation: 66 million Polygons Per Second 
 Compressed Image Decoder: MPEG2
 Graphics: "Graphics Synthesizer"  
 Clock Frequency: 150MHz 
 DRAM Bus bandwidth: 48 GB Per Second 
 DRAM Bus width: 2560 bits 
 Pixel Configuration: RGB:Alpha:Z Buffer (24:8:32) 
 Maximum Polygon Rate: 75 Million Polygons Per Second
 Sound: "SPU2+CPU"  
 Number of voices: ADPCM: 48 channel on SPU2 plus definable by software 
 Sampling Frequency: 44.1 KHz or 48 KHz (selectable)
 I/O Processor  
 CPU Core: Current PlayStation CPU 
 Clock Frequency: 33.8 MHz or 37.5 MHz (selectable) 
 Sub Bus: 32 Bit 
 Interface Types: IEEE1394, Universal Serial Bus (USB) 
 Communication via PC-Card PCMCIA
 Disc Media: DVD-ROM (CD-ROM compatible) 
 You figure out which is better; I've cancelled my PS2 and I'm getting a DC sometime in the near future. 
 ------------------ 
http://fan.starwars.com/davemaulsep1gamespage/files/Banner.jpg) (
http://pub24.ezboard.com/bstarwarsepisodeigames14777)