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.
Intel promotes the Turbo Boost technology in its new Core i7 Mobile processors as a way to adapt to the needs of the software and get more performance from the chip, but this isn't the real reason the technology exists.