In testing in a location where both Wi-Fi and cellular LTE signals were strong, an hour of browsing over Wi-Fi used roughly the same amount of battery power as an hour using LTE on an iPhone. On a Motorola Android phone, LTE used only 2 to 3 percent more power than Wi-Fi.
在Wi-Fi信号和蜂窝网络LTE信号同样强的情况下,使用iPhone手机测试,使用Wi-Fi浏览网页1小时所耗费的电能与使用LTE是一样的。在使用安卓系统的摩托罗拉手机上,LTE只比Wi-Fi多耗费2%到3%的电能。
In other words, as long as you have a good signal, you probably won’t see a huge difference between Wi-Fi and cellular data, and it’s probably not worth the hassle of switching between the two.
换言之,只要信号良好,Wi-Fi和蜂窝移动数据没什么区别,不值得费力在二者之间切换。