The EliteBook 8470p supports a 1,600MHz processor memory clock speed which is faster than most laptops of this age and spec. Most medium processor core laptops that have been around for a comparable time to it support a 133MHz processor memory clock speed. In addition, this laptop supports 1 and 333MHz processor memory clock speeds.
This portable PC's memory clock speeds supported by processor (1,600MHz) is in fact the best supported memory clock speeds supported by processor amongst all portable PCs of this type and age.
A 133MHz processor memory clock speed is the worst supported memory clock speeds supported by processor amongst comparable types of portable PC.