Simple question, which uses more battery power, 3G or wifi?
I can say with a fair degree of confidence (haven't done any methodical testing) that 3G eats up more battery than WiFi. On both the iPhone and the Droid, I find that leaving WiFi on gives me better battery life than if I had turned off WiFi and relied on 3G.
Also, does wifi use less battery while constantly streaming? I killed my phone's battery (almost full) streaming a radio station, in 4 hours.
Last edited by moot; 12-25-2009 at 11:36 AM.