The Asus X200MA supports a 1,600MHz processor memory clock speed which is faster than most laptops of this type and age. Most similar spec laptops that came out around the same time as it support a 133MHz processor memory clock speed. In addition, this notebook PC 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 across all similar spec portable PCs that are a comparable age to the X200MA.
A 133MHz processor memory clock speed is the worst supported memory clock speeds supported by processor amongst comparable types of laptop.