The Acer Aspire E5-771 supports a 1,600MHz processor memory clock speed which is faster than most notebook PCs that have been around for more than two years. Most laptops of a comparable age and spec to it support a 133MHz processor memory clock speed. This Acer notebook PC also 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 medium processor core notebook PCs that have been available for around the same time as the Aspire E5-771.
Across comparable types of laptop the worst supported memory clock speeds supported by processor is 133MHz.