The HP 15 supports a faster memory clock speeds supported by processor than most medium processor core laptops that have been on the market for more than two years. This portable PC supports a 1,600MHz processor memory clock speed, whereas most notebook PCs of a comparable age and spec to it support a 133MHz processor memory clock speed. In addition, this notebook PC supports 1 and 333MHz processor memory clock speeds.
A 1,600MHz processor memory clock speed is in fact the best supported memory clock speeds supported by processor amongst all laptops of a similar spec and age to the 15.
The worst supported memory clock speeds supported by processor amongst comparable types of laptop is 133MHz.