During a presentation at the Bank of America technology conference, Stacy Smith, vice president and assistant of chief financial officer at Intel, announced that in Q4 2006 over 50% of the CPUs that the company shipped in the fourth quarter contained two or more cores. The world"s biggest supplier of x86 microprocessor is essentially spitting out more multi-core chips than single-cores. Intel"s multi-core product line-up includes Core 2 Duo chips for desktops and notebooks, Core 2 Extreme and Pentium D for desktop computers, Core Duo for mobile systems, Xeon processors for dual-socket and multi-socket computers, quad-core Core 2 Extreme and Core 2 Quad chips for desktops and quad-core Xeon 5300-series for dual-processor servers. Intel"s single-core offerings only consist of low-cost Celeron and Pentium 4 chips as well as Xeon processors.