Question: what is the difference between an i3 and an i7 processor?
Answer: A dual-core processor, therefore has two internal processors, a quad-core model has four. ... Single-threaded applications can only use a single core leaving any others idle. Core i3 processors have two cores, Core i5 CPUs have four and Core i7 models also have four. Some Core i7 Extreme processors have six or eight cores.