The VAIO Pro 13 SVP1321GGXBI supports a 1,600MHz processor memory clock speed which is faster than most ultrabooks that have been on the market for more than two years. Most ultrabooks that are a comparable age to it support a 133MHz processor memory clock speed. This 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 amongst all notebook PCs that have been around for around the same time as the VAIO Pro 13 SVP1321GGXBI.
The worst supported memory clock speeds supported by processor amongst comparable types of portable PC is 133MHz.