The EliteBook 850 supports a 1,600MHz processor memory clock speed which is faster than most notebook PCs that have been around for a similar time to it. Most notebook PCs that are a similar age 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 type and age to the EliteBook 850.
A 133MHz processor memory clock speed is the worst supported memory clock speeds supported by processor across similar types of notebook PC.