Compare Lenovo ThinkPad R40 (2722GDU) PC Notebook to Lenovo ThinkPad X220 (428743U) PC Notebook

The expanded range of IBM ThinkPad R40 models gives you more choices than ever. Whether it is processor power, display size, or connectivity, you can choose the right balance of portability, strength and affordability for all your mobile users - and their varied needs. IBM ThinkPad R40 models feature ThinkPad UltraNav multi-pointing system. It combines the latest full-function TrackPoint pointing device with an IBM-customized touch pad. Designed using detailed research and analysis, this innovative tool lets you work the way you want.??IBM ThinkPad R40 2722 notebooks with Intel Centrino mobile technology and the IBM Embedded Security Subsystem provide secure, easy wireless computing to increase productivity. Intel Centrino mobile technology with wireless LAN capabilities based on IEEE 802.11b delivers cutting-edge system performance and low-power enhancements to help enable extended battery life in thinner, lighter notebooks. With Intel Centrino mobile technology, three components ... Less

Engineered for mobile professionals, the ThinkPad X220 features the quality and performance Lenovo users have come to expect and increased audio, video and communications features that respond to the increased use of laptops as a multimedia and communications tools in business. The ultra-portable ThinkPad X220 comes equipped with a full-powered Intel processor with outstanding graphic performance. ThinkPad has improved on full-size keyboard design and nimble TrackPoint by adding an advanced buttonless touchpad. Lenovo Enhanced Experience further enhances the user experience with industry's best boot up times. These best-in-class features, combined with Lenovo's reputed durability and reliability, make the ThinkPad X220 a must-have for mobile professionals who need the best from their notebooks. Less