ok i had a amd anthlon 64x2 5000+ cpu and i upgradeed to a amd phenem 9850 x4 cpu and my gpu is a asus gtx 550 ti and when i play games i noticed under task maneger i see the cpu never reaches 100% even while gaming it usually stays at 20-50% my operating system it win 7 ultimate my motherboard is a landark m2rs 790fx andi have 4gbs of ram running at 1066 mghz and a latency of 5-5-5-15 ty for your time