1600MHz
HP ProBook 650 G1 15.6" Intel Core i5-4300M 2.6GHz / 8GB / 750GB
1600MHz
Toshiba Satellite L50t 15.6" Intel Core i5-4200U 1.6GHz / 8GB / 750GB
It can support faster memory, which will give quicker system performance.
RAM speed: is this important to you?