Loudoun County, Virginia (Source: Genealogy Trails History Group) Loudoun County, Virginia (Source: Wayback Machine) Loudoun County, Virginia Genealogy (Source: USGenWeb)
The Intel Core i7 Processor is a top of the line quad-core processor. The games you're referring to are probably referring to dual-core processors. A 1.73 ghz i7 is significantly faster than a 2.4 ghz i3. Don't worry, you're good to go.
In last, there is Core-i7 which is targeted towards high-end PC users, or people who play intensive games on their desktops. It was also 4 cores, but the major difference was Hyper-Threading, an Intel based technology which let the OS runs 2 threads on a single core.