The PU500CA supports a 1,600MHz processor memory clock speed which is faster than most portable PCs of a similar spec and age to it. Most laptops that were released more than two years ago support a 133MHz processor memory clock speed. This Asus laptop also supports 1 and 333MHz processor memory clock speeds.
This laptop's memory clock speeds supported by processor (1,600MHz) is in fact the best supported memory clock speeds supported by processor amongst all ultrabooks that have been on the market for more than two years.
A 133MHz processor memory clock speed is the worst supported memory clock speeds supported by processor across similar types of laptop.