However, much like on the T series, the R series allows for a discrete video card to be included for improved 3D and video performance. Coming in 15" and 14" varieties the R61 weighs 5.2 pounds and can last a minimum 2.5 hours on a single charge. It has recently been replaced by the R400 (14") and R500 (15"), which come with faster CPUs, ram and onboard video. Unlike the T series, the R series is heavier, utilizes cheaper components and contain smaller touchpads, all assumed insignificant compared to the savings offered for non-professional users.
