CPU

733 MHz

294.912 MHz

405MHz Power PC

Graphics Processor

250Mhz custom-designed chip, developed by Microsoft and nVidia

147.456MHz

202.5 MHz Custom chip "Flipper"

Total Memory

64MB

32MB

43MB

Memory Bandwidth

6.4GB/sec

3.2 GB/sec

3.2GB/sec

Polygon Performance

125 M/sec

66 M/sec

6-12 M/sec

Simultaneous Textures

4

1

N/A

Pixel Fill Rate - No texture

4.0 G/Sec

2.4 G/Sec

 N/A

Pixel Fill Rate - 1 Textures

4.0 G/Sec

1.2 G/Sec

N/A

Pixel Fill Rate - 2 Textures

4.0 G/Sec

0.6 G/Sec

N/A

Compressed Textures

Yes (6:1)

No

ST3C compressed textures (6:1). 

Storage Medium

2-5x DVD, Hard disk 8GB, 8MB Memory card

4x DVD, 8MB Memory card

Propriety 1.5GB disc, Digicard - Ѕ Megabyte

I/O

Game controller x4
Ethernet (10/100)

Game controller x2
 USB
 1394
 PCMCIA

Game contoller x4
 High-speed serial port x2
 High-speed parallel port

Audio Channels

256

48

64

3D Audio Support in Hardware

Yes (64 3D channels)

No

N/A

MIDI+DLS Support

Yes

Yes

N/A

Hardware audio filtering and EQ

Yes

No

N/A

Broadband enabled

Yes

Future Upgrade

Optional

DVD Movie playback

Remote control accessory required

Yes

No

HDTV Movie support

Yes

Yes

No

HDTV Game support

Yes

No

N/A

Maximum resolution

1920x1080

1280X1024

N/A

Maximum resolution (2 x 32bpp frame buffers + Z)

1920x1080

640x480

 N/A

US Launch Date

Fall 2001

October 2000

October 2001