Xbox

Xbox 360

CPU

Intel 733MHz Pentium III; one hardware thread

Custom-designed IBM PowerPC-based CPU with 3 Symmetrical cores running at 3.2 GHz each; 2 hardware threads per core and 6 hardware threads total

CPU Floating Point Performance

1.466 GFLOPS

115.2 GFLOPS

Graphics Processor

233 MHz custom-designed chip, developed by Microsoft and nVidia

500 MHz custom-designed chip, developed by Microsoft and ATI

Total Memory

64MB

512 MB GDDR3 RAM

Memory Bandwidth

Main Memory: 6.4GB/sec
EDRAM rendering memory: N/A
Front Side Bus: 1 GB/s

Main Memory: 22.4GB/sec
EDRAM rendering memory: 256GB/sec
Front Side Bus: 21.6 GB/sec

Polygon Performance

116.5 M/sec

500 M/sec

Simultaneous Textures

4

16 simultaneous textures
Bilinear filtering

Pixel Fill Rate

3.7 G/Sec

16 G/Sec

Compressed Textures

Yes (6:1)

Yes, DXT1-5 + other more special purpose (including normal compression)

Built in Hard Disk

Yes

Detachable, upgradeable hard disk

I/O

Game controller x4
Ethernet (10/100)

Wireless Game controller x4
3 USB 2.0 ports
2 memory unit slots

Audio Channels

256

More than 256

3D Audio Support in Hardware

Yes

Yes

DolbyR Digital 5.1 Surround Sound

Yes

Yes

Parental Control

Yes

Yes

Broadband enabled

Yes

Yes, Optimized for Online:
Instant, FREE access to Xbox Live features, including Xbox Live Marketplace for downloadable content, Gamer Profile for digital identity and Party Chat to talk to friends while playing games, watching movies or listening to music
Built in Ethernet Port
Wi-Fi Ready: 802.11 A, B and G
Video Camera Ready

DVD Movie playback

Remote control accessory required

Yes, built-in progressive scan

HDTV Game support

Yes

Yes

Maximum resolution

1920x1080

1920x1080