The Lenovo T440 supports a 1,600MHz processor memory clock speed which is faster than most notebook PCs of a comparable age and spec to it. Most medium processor core notebook PCs that have been around for a comparable time to it support a 133MHz processor memory clock speed. In addition, this portable PC supports 1 and 333MHz processor memory clock speeds.
This portable PC's memory clock speeds supported by processor (1,600MHz) is actually the best supported memory clock speeds supported by processor amongst all comparable spec portable PCs that have been available for more than two years.
Amongst similar types of portable PC the worst supported memory clock speeds supported by processor is 133MHz.