The Spectre Pro x360 supports a 1,600MHz processor memory clock speed which is faster than most similar spec laptops that were launched around the same time as it. Most comparable spec laptops that are a similar age to it support a 133MHz processor memory clock speed. This HP portable PC also supports 1 and 333MHz processor memory clock speeds.
This notebook PC's memory clock speeds supported by processor (1,600MHz) is in fact the best supported memory clock speeds supported by processor across all comparable spec notebook PCs that are a similar age to the Spectre Pro x360.
The worst supported memory clock speeds supported by processor amongst similar types of notebook PC is 133MHz.