The Aspire E5 supports a faster memory clock speeds supported by processor than most similar spec notebook PCs that came out around the same time as it. This Acer portable PC supports a 1,600MHz processor memory clock speed, whereas most comparable spec notebook PCs that are a similar age to it support a 133MHz processor memory clock speed. In addition, this portable PC supports 1 and 333MHz processor memory clock speeds.
This portable PC's memory clock speeds supported by processor (1,600MHz) is actually the best supported memory clock speeds supported by processor amongst all medium processor core notebook PCs that have been around for a comparable time to the Aspire E5.
Amongst similar types of portable PC the worst supported memory clock speeds supported by processor is 133MHz.