The Pavilion 15 supports a 1,600MHz processor memory clock speed which is faster than most medium processor core notebook PCs that are a similar age to it. Most laptops of a comparable age and spec to it support a 133MHz processor memory clock speed. In addition, this portable PC 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 amongst all portable PCs of this age and spec.
The worst supported memory clock speeds supported by processor across similar types of notebook PC is 133MHz.