The DELL XPS 13 supports a faster memory clock speeds supported by processor than most portable PCs that were launched around the same time as it. This DELL portable PC supports a 1,600MHz processor memory clock speed, whereas most laptops that were released more than two years ago support a 133MHz processor memory clock speed. In addition, this DELL laptop supports 1 and 333MHz processor memory clock speeds.
This laptop's memory clock speeds supported by processor (1,600MHz) is in fact the best supported memory clock speeds supported by processor across all medium processor cores portable PCs that have been available for a comparable time to the XPS 13.
Across comparable types of laptop the worst supported memory clock speeds supported by processor is 133MHz.