" if you are going from JR Kameari Station on the Joban Line in eastern Tokyo to JR Yokohama station and buy a ticket for the whole trip, it costs you ¥780. However, if you take the same route and use an IC card, ¥910 will be subtracted from your card balance"
Source: You can’t get there from here (at the same price with an IC card)
May 18th, 2013
By Philip Brasor & Masako Tsubuku
Yen for Living