The ENVY 15 supports a 1,600MHz processor memory clock speed which is faster than most medium processor core notebook PCs that were launched more than two years ago. Most similar spec laptops that were launched around the same time as 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 notebook PCs of this age and spec.
Amongst comparable types of notebook PC the worst supported memory clock speeds supported by processor is 133MHz.