The DELL Latitude 14 E7440 supports a 1,600MHz processor memory clock speed which is faster than most comparable spec notebook PCs that have been on the market for around the same time as it. Most laptops that have been on the market 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 notebook PC's memory clock speeds supported by processor (1,600MHz) is in fact the best supported memory clock speeds supported by processor amongst all notebook PCs of a comparable age and spec to the Latitude 14 E7440.
Amongst similar types of notebook PC the worst supported memory clock speeds supported by processor is 133MHz.