The Lenovo T440 supports a 1,600MHz processor memory clock speed which is faster than most laptops of a comparable age and type to it. Most medium processor cores notebook PCs that have been on the market for a similar time to it support a 133MHz processor memory clock speed. In addition, this portable PC supports 1 and 333MHz processor memory clock speeds.
This notebook PC's memory clock speeds supported by processor (1,600MHz) is in fact the best supported memory clock speeds supported by processor across all notebook PCs of a comparable type and age to the T440.
A 133MHz processor memory clock speed is the worst supported memory clock speeds supported by processor amongst similar types of notebook PC.