The Apple MacBook Pro Mid 2014 Retina supports a 1,600MHz processor memory clock speed which is faster than most similar spec notebook PCs that have been around for around the same time as it. Most laptops of this spec and age 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 in fact the best supported memory clock speeds supported by processor across all notebook PCs of this spec and age.
The worst supported memory clock speeds supported by processor amongst comparable types of notebook PC is 133MHz.