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 new Core i7 800-series CPUs and the Core i5 750 still support the same automatic overclocking functionality, or Turbo Boost, as the Core i7 900-series processors. However, this feature has been jacked up on the newer chips.