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2005/05/13 10:30 更新


マイクロソフト、次世代機「Xbox 360」を正式発表 (2/2)


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XboxとXbox 360との比較

XboxXbox 360
CPUIntel 733MHz Pentium III; one hardware threadCustom-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 Performance1.466 GFLOPS115.2 GFLOPS
Graphics Processor233 MHz custom-designed chip, developed by Microsoft and nVidia500 MHz custom-designed chip, developed by Microsoft and ATI
Total Memory64MB512 MB GDDR3 RAM
Memory BandwidthMain 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 Performance116.5 M/sec500 M/sec
Simultaneous Textures416 simultaneous textures
Bilinear filtering
Pixel Fill Rate3.7 G/Sec16 G/Sec
Compressed TexturesYes (6:1)Yes, DXT1-5 + other more special purpose (including normal compression)
Built in Hard DiskYesDetachable, upgradeable hard disk
I/OGame controller x4
Ethernet (10/100)
Wireless Game controller x4
3 USB 2.0 ports
2 memory unit slots
Audio Channels256More than 256
3D Audio Support in HardwareYesYes
DolbyR Digital 5.1 Surround SoundYesYes
Parental ControlYesYes
Broadband enabledYesYes, 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 playbackRemote control accessory requiredYes, built-in progressive scan
HDTV Game supportYesYes
Maximum resolution1920x10801920x1080

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