The ENVY 15 supports a 1,600MHz processor memory clock speed which is faster than most laptops of this age and type. Most medium processor core notebook PCs that are a similar age to it support a 133MHz processor memory clock speed. In addition, this HP portable PC supports 1 and 333MHz processor memory clock speeds.
This laptop's memory clock speeds supported by processor (1,600MHz) is actually the best supported memory clock speeds supported by processor amongst all notebook PCs of this type and age.
Amongst similar types of laptop the worst supported memory clock speeds supported by processor is 133MHz.