The DELL Inspiron 15 supports a 1,600MHz processor memory clock speed which is faster than most medium processor core laptops that have been on the market for more than two years. Most laptops of this spec and age support a 133MHz processor memory clock speed. This DELL portable PC also supports 1 and 333MHz processor memory clock speeds.
A 1,600MHz processor memory clock speed is actually the best supported memory clock speeds supported by processor across all portable PCs of this age and type.
The worst supported memory clock speeds supported by processor across comparable types of portable PC is 133MHz.