Quad-Core Sandy Bridge i5 and i7 processors that help you get projects completed up to 70 percent sooner, high-speed Thunderbolt ports for data transfer and FaceTime HD cameras for friendly video chat and business conferences that’s what the new iMacs are made of. Let’s not forget that the new Thunderbolt iMacs also have 3x faster graphics thanks to updated Radeon HD graphics processors and come with your choice of either a Magic Mouse or a Magic Trackpad. First, the MacBook Pro received the Thunderbolt upgrade earlier in the year, now the iMacs get the highly anticipated, Thunderbolt refresh.