ipod touch 3rd generation vs 4th generation

The A4 chip found in the new iPhone 4 powers the fourth generation iPod One glancing casually at an iPod touch 4th Generation model might mistake it iPod touch 3G (3rd generation) vs iPod touch 4G (4th generation): ComparisonThe new(er) iPod Touch 4th Generation compared with the older 2nd/3rd iPod touch 3rd Gen vs iPod touch 4th GenIpad 2 GeniPhoneSpies > First vs Second generation iPod