The Lenovo T440 supports a faster memory clock speeds supported by processor than most laptops that are a comparable age to it. This notebook PC supports a 1,600MHz processor memory clock speed, whereas most medium processor core notebook PCs that have been around for a similar time to it support a 133MHz processor memory clock speed. This portable PC also supports 1 and 333MHz processor memory clock speeds.
A 1,600MHz processor memory clock speed is actually the best supported memory clock speeds supported by processor amongst all portable PCs of this age and type.
Amongst similar types of laptop the worst supported memory clock speeds supported by processor is 133MHz.