7 Manufacturer : Microsoft Year of Release : 2005 Units sold : 84 million CPU : 3.2 GHz PowerPC Tri-Core Xenon RAM : 512MB unified GDDR3 @ 700 MHz + 10MB eDRAM cache GPU : 500 MHz ATI/AMD Xenos Resolution : 480i, 480p, 720p, 1080i, 1080p Sound : Stereo LPCM, Dolby Digital 5.1 Media : DVD, Compact Disc