iTunes 9

iTunes is the industry leading application used to convert, save and manage digital music. iTunes allows the user to record, organize and play songs on a PC or the use the unlimited high quality encoder to convert music into MP3 or other formats.

iTunes only makes use of 2 threads for the encoding to MP3 here, so with a higher clock speed the i5-661 outpaced the i5-750 by 6 seconds!