Being on Wi -
Fi uses less power than 4G, but if you're not near a router, you can save juice by turning the Wi - Fi radio off.
Not exact matches
3G - enabled netbooks usually last significantly
less when
using that radio versus Wi -
Fi, which is a credit to the iPad's efficient A4 chip and the fact that this device is
powered by a mobile operating system and not a desktop OS.
Many people, and even smartphone vendors such as Apple, claim that
using Wi -
Fi for wireless data consumes
less power than
using a cellular signal, so you should
use Wi -
Fi whenever you can.