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.
The 15-inch MacBook Pro with Retina display comes standard with a 2.2GHz quad-core Intel Core i7 with Turbo Boost up to 3.4GHz. This can be upgraded to 2.5GHz quad-core Intel Core i7 with Turbo Boost up to 3.7GHz for an extra $100 or to a 2.8GHz quad-core Intel Core i7 with Turbo Boost up to 4.0GHz for an extra $300.