these are the only two options i have for a custom built laptop im ordering which is Intel Core i7 990X 3.46GHz LGA 1366 Hex-Core Processor (12MB L3 Cache) or Intel Xeon X5690 3.46GHz LGA 1366 Hex-Core Processor (12MB L3 Cache) so which one is best? all im going to do with this laptop is game and its a no budget project. do these cpu have turboboost technoloy? can they be overclocked? pros and cons of them? which has the best speed/performance? which one is right for my needs? which is the best of the best for gameing?