The MacBook Air Mid 2012 supports a 1,600MHz processor memory clock speed which is faster than most portable PCs of a comparable type and age to it. Most comparable spec notebook PCs that were released more than two years ago 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 actually the best supported memory clock speeds supported by processor amongst all MacBooks that have been around for more than two years.
Amongst comparable types of laptop the worst supported memory clock speeds supported by processor is 133MHz.