Before you head out to grab a Core i7 system loaded with 6GB or 12GB of memories for your gaming needs today, we will check out if you really need that much and if it is better to invest your money to get a more powerful graphics card. This article is suited for those who will be buying a Core i7 system primarily for gaming. Using the Core i7 920 processor overclocked to 4GHz on ASUS Rampage II Extreme board loaded with Windows Vista 64 SP1, we will check out how the latest games out there such as Crysis Warhead and Far Cry 2 perform along with benchmarks like 3DMark Vantage and Tropics.