Based on revolutionary Intel Core microarchitecture, the breakthrough Intel Core2 Duo processor family is designed to provide powerful energy-efficient performance so you can do more at once without slowing down.With Intel Core2 Duo desktop processor, youll experience revolutionary performance, unbelievable system responsiveness, and energy-efficiency second to none. And, you wont have to slow down for virus scan, multiple compute intensive programs, or multimedia downloadsthese desktop processors are up to 40 percent faster with improved energy-efficiency.