Intel® Core® i3 3.30 GHz processor uses less power and the hyper-threading architecture delivers high performance for demanding applications at an affordable price
Intel Core i5 2.50 GHz processor offers hyper-threading architecture that delivers high performance for demanding applications with improved onboard graphics and turbo boost
Intel Core i7 3.60 GHz processor offers more cache space and the hyper-threading architecture delivers high performance for demanding applications with better onboard graphics and faster turbo boost