The fastest iMac ever, it provides professional performance along with the convenience of an all-in-one design. It features the new 64-bit Intel Core 2 Duo processor. The new processor delivers up to 50% more performance. It also doubles the amount of L2 cache, the twin cores sharing 4MB between them. The result? Turbocharged performance, making it easier - and more fun - than ever to work with digital photos, movies, music, and the web.