The Aspire E1-571 supports a faster memory clock speeds supported by processor than most portable PCs that are a comparable age to it. This Acer laptop 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 notebook PC supports 1 and 333MHz processor memory clock speeds.
This notebook PC's memory clock speeds supported by processor (1,600MHz) is actually the best supported memory clock speeds supported by processor amongst all comparable spec laptops that have been around for around the same time as the Aspire E1-571.
Amongst comparable types of notebook PC the worst supported memory clock speeds supported by processor is 133MHz.